Ace Alloys LLP

ACE Alloys LLP offers stainless steel circles (also known as blanks or discs) as part of their stainless steel sheet derivatives, suitable for industrial applications like flanges and fabrication. ​

Product Specifications

Stainless steel circles from ACE Alloys LLP are produced from grades such as 304, 304L, 316, 310, and others, with forms including blanks (circles) and rings. Thickness ranges from 0.3 mm to 120 mm, and they support sizes up to 2000 x 4000 mm or custom dimensions.​

Key Features

• Available in hot-rolled, cold-rolled, and perforated variants for corrosion resistance in harsh environments.​

• Customizable through value-added services like cutting, bending, and heat treatment.​

• Compliant with standards like ASTM for use in petrochemical, food processing, and construction sectors.

Ace Alloys LLP. are manufacturers, stockiest & suppliers of 254 smo flanges, which have exceptional quality finishing and coercion for high pressure, zero defects and long life.

We are one of the most quality conscious producers of the wide range of Stainless Steel flanges which is meant to cater to various industrial platforms in various domains. The applications of this product can be traced to numerous industrial domains which is highly convenient for our clients.

Stainless Steel Slip On Flanges are low-cost, forged pipe fittings per ASME B16.5 standards, where the pipe slips into the flange bore for fillet welding on both sides, ideal for low-pressure non-critical applications up to 24" NPS and Class 2500. Common grades include 304, 316L, and higher alloys, with pressure ratings like Class 150 handling 285 psi at 100°F dropping to 20 psi at 1000°F.​

Design Features

The internal diameter matches the pipe ID, with a hub for reinforcement and raised face (RF) or flat face (FF) sealing surfaces; lighter and easier to align than weld necks but less robust for high stress.​

SS 310 blind flanges, made from ASTM A182 Grade F310 stainless steel, seal pipe ends for pressure testing or termination in high-temperature environments. This austenitic alloy with 25% Cr and 20% Ni delivers superior oxidation resistance up to 1150°C and good corrosion resistance in carburizing or sulfidizing atmospheres.​

Dimensions

Follow ASME B16.5 standards for classes 150-2500, sizes 1/2" to 24" NPS. Example: 1" Class 150 has OD 4-1/4", thickness 9/16", RF diameter 2", approx. weight 1.5 kg with 4 bolt holes.​

Specifications

Minimum tensile strength 515 MPa, yield 205 MPa, elongation 40%; tolerances OD ±1.6 mm, thickness ±1.6 mm. Markings include size, class, F310, and heat number; raised face standard.​

Stainless steel flanges are forged or cast components used to connect pipes, valves, and pumps in industrial piping systems, offering superior corrosion resistance in harsh environments. They adhere to standards like ASME B16.5, ASTM A182, and ANSI, with common grades including 304, 316, and 316L for applications in chemicals, oil & gas, and pharmaceuticals.​

Main Types

• Weld Neck Flange: Tapered hub provides strength and stress reduction for high-pressure lines.​

• Slip-On Flange: Slides over pipe ends and welds inside/outside, cost-effective for moderate pressures.​

• Blind Flange: Seals pipe ends, used for testing or isolation.​

• Socket Weld & Threaded: For smaller, high-pressure pipes with welding or threading.​

Key Specifications

Flanges range from Class 150 to 2500, sizes 1/2" to 60", with raised face (RF), flat face (FF), or ring type joint (RTJ) faces for gasketing. SS 304/316 ensures durability up to 1000°F.​

Stainless steel flanges are forged or cast components used to connect pipes, valves, and pumps in industrial piping systems, offering superior corrosion resistance in harsh environments. They adhere to standards like ASME B16.5, ASTM A182, and ANSI, with common grades including 304, 316, and 316L for applications in chemicals, oil & gas, and pharmaceuticals.​

Main Types

• Weld Neck Flange: Tapered hub provides strength and stress reduction for high-pressure lines.​

• Slip-On Flange: Slides over pipe ends and welds inside/outside, cost-effective for moderate pressures.​

• Blind Flange: Seals pipe ends, used for testing or isolation.​

• Socket Weld & Threaded: For smaller, high-pressure pipes with welding or threading.​

Key Specifications

Flanges range from Class 150 to 2500, sizes 1/2" to 60", with raised face (RF), flat face (FF), or ring type joint (RTJ) faces for gasketing. SS 304/316 ensures durability up to 1000°F.​

Stainless steel flanges are forged or cast components used to connect pipes, valves, and pumps in industrial piping systems, offering superior corrosion resistance in harsh environments. They adhere to standards like ASME B16.5, ASTM A182, and ANSI, with common grades including 304, 316, and 316L for applications in chemicals, oil & gas, and pharmaceuticals.​

Main Types

• Weld Neck Flange: Tapered hub provides strength and stress reduction for high-pressure lines.​

• Slip-On Flange: Slides over pipe ends and welds inside/outside, cost-effective for moderate pressures.​

• Blind Flange: Seals pipe ends, used for testing or isolation.​

• Socket Weld & Threaded: For smaller, high-pressure pipes with welding or threading.​

Key Specifications

Flanges range from Class 150 to 2500, sizes 1/2" to 60", with raised face (RF), flat face (FF), or ring type joint (RTJ) faces for gasketing. SS 304/316 ensures durability up to 1000°F.​

Stainless steel flanges are forged or cast components used to connect pipes, valves, and pumps in industrial piping systems, offering superior corrosion resistance in harsh environments. They adhere to standards like ASME B16.5, ASTM A182, and ANSI, with common grades including 304, 316, and 316L for applications in chemicals, oil & gas, and pharmaceuticals.​

Main Types

• Weld Neck Flange: Tapered hub provides strength and stress reduction for high-pressure lines.​

• Slip-On Flange: Slides over pipe ends and welds inside/outside, cost-effective for moderate pressures.​

• Blind Flange: Seals pipe ends, used for testing or isolation.​

• Socket Weld & Threaded: For smaller, high-pressure pipes with welding or threading.​

Key Specifications

Flanges range from Class 150 to 2500, sizes 1/2" to 60", with raised face (RF), flat face (FF), or ring type joint (RTJ) faces for gasketing. SS 304/316 ensures durability up to 1000°F.​

FlangesASTM A105 carbon steel flanges serve as durable, forged components for high-pressure piping connections in industrial applications. These flanges excel in ambient and elevated-temperature services up to 425°C, building on Ace Alloys LLP's expertise in A234 WPB elbows and IBR alloy steel fittings discussed previously.​
Material SpecificationsA105 carbon steel contains up to 0.35% carbon, with manganese, phosphorus, and sulfur limits ensuring minimum tensile strength of 485 MPa and yield strength of 250 MPa. Normalization enhances ductility and impact resistance per ASTM standards. Ace Alloys LLP supplies them with full traceability via material test certificates.​
Common Types and DimensionsKey variants include weld neck (WNRF), slip-on (SORF), blind, socket weld, and threaded flanges in sizes 1/2" to 60" NB. Pressure classes span 150# to 2500#, with ASME B16.5 dimensions—for instance, a 2" Class 150 SORF flange has a 6" OD and 0.38" thickness. Galvanized or coated options resist corrosion effectively.

Stainless Steel 347 Grade Slip On Flanges are forged components made from ASTM A182 Grade F347 material, designed for easy alignment and welding onto pipes in low-pressure piping systems. These flanges feature a bore that matches the pipe ID, allowing the pipe to slip inside before fillet welding on both sides for secure attachment. They suit applications in high-temperature and corrosive environments due to the stabilized austenitic composition with columbium (niobium) addition, preventing carbide precipitation during welding.​

Key Specifications

These flanges conform to ANSI B16.5 standards, available in sizes from 1/2" to 48" NPS and pressure classes 150 to 2500. Common dimensions include outer diameter (O), bore radius (R), and thickness (tf), varying by class—for instance, a 1/2" Class 150 flange has O=88.9mm, R=34.9mm, tf=9.6mm.​

Stainless steel eccentric reducers (ER) and concentric reducers (CR) are essential butt weld fittings used to join pipes of different diameters in industrial systems. ER maintains one side flat to avoid air pockets or accumulation, while CR centers the transition for uniform flow. Both are vital in sectors like petrochemicals and water treatment for seamless, leak-proof connections.​

Design Differences

• Eccentric Reducer (ER): Offset centerline prevents gas entrapment in horizontal lines or sediment buildup in vertical ones; ideal for pump inlets.​

• Concentric Reducer (CR): Symmetrical taper suits straight flow paths without level concerns, common in pressure drop-sensitive setups.​

Common Specifications

Standards include ASME B16.9 and ASTM A403, with sizes from 1/2" to 48" and schedules like SCH 10S to 80S. Materials such as SS 304/316L offer corrosion resistance up to high temperatures.​

BLRTJ refers to a Blind Flange with Ring Type Joint (RTJ) facing, designed for high-pressure, high-temperature sealing using a metallic ring gasket instead of a flat raised face. These flanges, common in carbon steel (A105) or alloy grades, match ASME B16.5 bolt patterns while providing superior leak prevention in critical applications like refineries and power plants.​

Key Features

RTJ grooves are machined per R, RX, or BX profiles (e.g., R24 for 150# 4"), with pressure ratings up to Class 2500. Bolt hole identification follows standard patterns: 4" Class 150 has 8 x 3/4" holes on 190.5 mm PCD.​

Alloy Steel F22 blind flanges, per ASTM A182 Grade F22 (2.25Cr-1Mo), seal pipe ends in high-temperature, high-pressure systems with excellent creep strength up to 600°C. This chrome-moly alloy offers superior oxidation resistance and toughness for power plants and refineries.​

Composition

Carbon 0.05-0.15%, Cr 1.90-2.60%, Mo 0.87-1.13%, Mn 0.30-0.60%, balanced for weldability and heat resistance. Normalized and tempered condition standard.​

Mechanical Properties

Tensile strength 415-585 MPa min, yield 205 MPa min, elongation 20%; Class 1 or Class 3 variants for enhanced impact toughness.​

Pipe fittings are specialized components that connect, adapt, direct, or terminate pipes in industrial systems, ensuring leak-proof flow control across materials like SS, CS, AS, and MS. They include elbows, tees, reducers, bends, flanges, olets, and caps previously detailed, vital for B2B applications in oil & gas, chemicals, and power sectors.​

Core Functions

Fittings enable direction changes (elbows/bends), branching (tees/weldolets/threadolets), size transitions (reducers), sealing (caps), and bolting (flanges), with buttweld, socket weld, or threaded connections per ASME B16.9/11 standards.​

Material Applications

• SS Fittings: Corrosion-proof for harsh chemicals/pharma (304/316 grades).​

• CS/AS/MS: Cost-effective for high-pressure oil lines or heat (WPB/P91).​

Stainless Steel Duplex Flanges are high-strength fittings made from duplex stainless steel grades like UNS S31803, S32205 (2205), or S32750 (2507), combining austenitic and ferritic microstructures for superior corrosion resistance and mechanical properties.​

Material Specifications

These flanges meet ASTM A182 standards for forged or rolled alloy-steel pipe flanges, primarily grades F51 (S31803/S32205) and F53 (S32750). Chemical composition features ~22% chromium, 5-6% nickel, 3% molybdenum, nitrogen for pitting resistance, with PREN values exceeding 35-40 for chloride environments.​

Key Properties

Duplex flanges offer tensile strength of 620-860 MPa, yield strength ≥450 MPa, excellent resistance to stress corrosion cracking, and fatigue strength twice that of 316L stainless steel. They withstand temperatures from -50°C to 300°C and suit high-pressure applications up to Class 2500.​

Dimensions Overview

Dimensions follow ASME B16.5 (1/2"-24") or B16.47 (larger sizes), with types including weld neck, slip-on, blind, socket weld, threaded, and lap joint.

Stainless Steel 347 and 347H Weld Neck Flanges are high-integrity forged components made from ASTM A182 F347/F347H material, featuring a tapered, beveled hub that is butt-welded directly to the pipe for superior strength and reduced stress concentration in high-pressure, high-temperature systems.​

Key Specifications

These flanges meet ANSI B16.5 standards, available in sizes 1/2" to 48" NPS and classes 150# to 2500#, with precise dimensions like hub length, bore taper, and raised face (typically 1.6mm high). 347H variant offers enhanced creep resistance for prolonged elevated-temperature service.​

SS 321 concentric reducers are stabilized austenitic stainless steel buttweld fittings that connect pipes of different diameters while maintaining centerline alignment, ideal for high-temperature applications like heat exchangers and aerospace where intergranular corrosion resistance is essential.​

Material Composition

ASTM A403 WP321 grade contains up to 0.08% carbon, ≤2.00% manganese, ≤0.75% silicon, 17.0-19.0% chromium, 9.0-12.0% nickel, and 5xC min titanium (0.25-0.50%) for stabilization against carbide precipitation during welding.​

Mechanical Properties

These reducers provide minimum 515 MPa tensile strength, 205 MPa yield strength, and 35% elongation, suitable for continuous service up to 925°C and intermittent exposure to 870°C.​

Dimensions and Standards

Per ASME B16.9, sizes range 1/2"-48" NB in SCH 10S-XXS (e.g., 1/2"x3/8": OD 21.3mm to 17.1mm, length 1.5"; 2"x1": length 3"; 6"x2½": length 5½").​

Stainless steel eccentric reducers (ER) and concentric reducers (CR) are essential butt weld fittings used to join pipes of different diameters in industrial systems. ER maintains one side flat to avoid air pockets or accumulation, while CR centers the transition for uniform flow. Both are vital in sectors like petrochemicals and water treatment for seamless, leak-proof connections.​

Design Differences

• Eccentric Reducer (ER): Offset centerline prevents gas entrapment in horizontal lines or sediment buildup in vertical ones; ideal for pump inlets.​

• Concentric Reducer (CR): Symmetrical taper suits straight flow paths without level concerns, common in pressure drop-sensitive setups.​

Common Specifications

Standards include ASME B16.9 and ASTM A403, with sizes from 1/2" to 48" and schedules like SCH 10S to 80S. Materials such as SS 304/316L offer corrosion resistance up to high temperatures.​

Stainless steel eccentric reducers (ER) and concentric reducers (CR) are essential butt weld fittings used to join pipes of different diameters in industrial systems. ER maintains one side flat to avoid air pockets or accumulation, while CR centers the transition for uniform flow. Both are vital in sectors like petrochemicals and water treatment for seamless, leak-proof connections.​

Design Differences

• Eccentric Reducer (ER): Offset centerline prevents gas entrapment in horizontal lines or sediment buildup in vertical ones; ideal for pump inlets.​

• Concentric Reducer (CR): Symmetrical taper suits straight flow paths without level concerns, common in pressure drop-sensitive setups.​

Common Specifications

Standards include ASME B16.9 and ASTM A403, with sizes from 1/2" to 48" and schedules like SCH 10S to 80S. Materials such as SS 304/316L offer corrosion resistance up to high temperatures.​

 

SS (Stainless Steel), AS (Alloy Steel), MS (Mild Steel), and CS (Carbon Steel) fittings are essential pipe components for connecting, directing, or sealing pipelines in industrial applications like oil & gas, chemicals, and manufacturing. SS offers superior corrosion resistance for harsh environments, AS excels in high-temperature/pressure scenarios, while MS/CS provide cost-effective strength for general use.  ​

SS Fittings

Highly durable with Cr-Ni alloys (e.g., 304/316), ideal for corrosive fluids; types include ER/CR reducers, elbows, flanges, weldolets/threadolets, tees, bends, caps per ASME B16.9. ​

AS Fittings

Chromium-molybdenum grades (e.g., WP5/WP11/P91) for elevated temps up to 1200°F; used in power plants/refineries, matching elbows, tees, reducers. ​

MS/CS Fittings

Low-cost carbon-based (e.g., A234 WPB); CS for buttweld/threaded, MS for lighter duties; common in water/oil lines with elbows, tees, caps. ​

Stainless steel flanges are forged or cast components used to connect pipes, valves, and pumps in industrial piping systems, offering superior corrosion resistance in harsh environments. They adhere to standards like ASME B16.5, ASTM A182, and ANSI, with common grades including 304, 316, and 316L for applications in chemicals, oil & gas, and pharmaceuticals.​

Main Types

• Weld Neck Flange: Tapered hub provides strength and stress reduction for high-pressure lines.​

• Slip-On Flange: Slides over pipe ends and welds inside/outside, cost-effective for moderate pressures.​

• Blind Flange: Seals pipe ends, used for testing or isolation.​

• Socket Weld & Threaded: For smaller, high-pressure pipes with welding or threading.​

Key Specifications

Flanges range from Class 150 to 2500, sizes 1/2" to 60", with raised face (RF), flat face (FF), or ring type joint (RTJ) faces for gasketing. SS 304/316 ensures durability up to 1000°F.​

Stainless steel flanges are forged or cast components used to connect pipes, valves, and pumps in industrial piping systems, offering superior corrosion resistance in harsh environments. They adhere to standards like ASME B16.5, ASTM A182, and ANSI, with common grades including 304, 316, and 316L for applications in chemicals, oil & gas, and pharmaceuticals.​

Main Types

• Weld Neck Flange: Tapered hub provides strength and stress reduction for high-pressure lines.​

• Slip-On Flange: Slides over pipe ends and welds inside/outside, cost-effective for moderate pressures.​

• Blind Flange: Seals pipe ends, used for testing or isolation.​

• Socket Weld & Threaded: For smaller, high-pressure pipes with welding or threading.​

Key Specifications

Flanges range from Class 150 to 2500, sizes 1/2" to 60", with raised face (RF), flat face (FF), or ring type joint (RTJ) faces for gasketing. SS 304/316 ensures durability up to 1000°F.​

Stainless Steel Duplex Flanges are high-strength fittings made from duplex stainless steel grades like UNS S31803, S32205 (2205), or S32750 (2507), combining austenitic and ferritic microstructures for superior corrosion resistance and mechanical properties.​

Material Specifications

These flanges meet ASTM A182 standards for forged or rolled alloy-steel pipe flanges, primarily grades F51 (S31803/S32205) and F53 (S32750). Chemical composition features ~22% chromium, 5-6% nickel, 3% molybdenum, nitrogen for pitting resistance, with PREN values exceeding 35-40 for chloride environments.​

Key Properties

Duplex flanges offer tensile strength of 620-860 MPa, yield strength ≥450 MPa, excellent resistance to stress corrosion cracking, and fatigue strength twice that of 316L stainless steel. They withstand temperatures from -50°C to 300°C and suit high-pressure applications up to Class 2500.​

Dimensions Overview

Dimensions follow ASME B16.5 (1/2"-24") or B16.47 (larger sizes), with types including weld neck, slip-on, blind, socket weld, threaded, and lap joint.

Stainless Steel Duplex Flanges are high-strength fittings made from duplex stainless steel grades like UNS S31803, S32205 (2205), or S32750 (2507), combining austenitic and ferritic microstructures for superior corrosion resistance and mechanical properties.​

Material Specifications

These flanges meet ASTM A182 standards for forged or rolled alloy-steel pipe flanges, primarily grades F51 (S31803/S32205) and F53 (S32750). Chemical composition features ~22% chromium, 5-6% nickel, 3% molybdenum, nitrogen for pitting resistance, with PREN values exceeding 35-40 for chloride environments.​

Key Properties

Duplex flanges offer tensile strength of 620-860 MPa, yield strength ≥450 MPa, excellent resistance to stress corrosion cracking, and fatigue strength twice that of 316L stainless steel. They withstand temperatures from -50°C to 300°C and suit high-pressure applications up to Class 2500.​

Dimensions Overview

Dimensions follow ASME B16.5 (1/2"-24") or B16.47 (larger sizes), with types including weld neck, slip-on, blind, socket weld, threaded, and lap joint.

Stainless Steel Duplex Flanges are high-strength fittings made from duplex stainless steel grades like UNS S31803, S32205 (2205), or S32750 (2507), combining austenitic and ferritic microstructures for superior corrosion resistance and mechanical properties.​

Material Specifications

These flanges meet ASTM A182 standards for forged or rolled alloy-steel pipe flanges, primarily grades F51 (S31803/S32205) and F53 (S32750). Chemical composition features ~22% chromium, 5-6% nickel, 3% molybdenum, nitrogen for pitting resistance, with PREN values exceeding 35-40 for chloride environments.​

Key Properties

Duplex flanges offer tensile strength of 620-860 MPa, yield strength ≥450 MPa, excellent resistance to stress corrosion cracking, and fatigue strength twice that of 316L stainless steel. They withstand temperatures from -50°C to 300°C and suit high-pressure applications up to Class 2500.​

Dimensions Overview

Dimensions follow ASME B16.5 (1/2"-24") or B16.47 (larger sizes), with types including weld neck, slip-on, blind, socket weld, threaded, and lap joint.

Stainless Steel Duplex Flanges are high-strength fittings made from duplex stainless steel grades like UNS S31803, S32205 (2205), or S32750 (2507), combining austenitic and ferritic microstructures for superior corrosion resistance and mechanical properties.​

Material Specifications

These flanges meet ASTM A182 standards for forged or rolled alloy-steel pipe flanges, primarily grades F51 (S31803/S32205) and F53 (S32750). Chemical composition features ~22% chromium, 5-6% nickel, 3% molybdenum, nitrogen for pitting resistance, with PREN values exceeding 35-40 for chloride environments.​

Key Properties

Duplex flanges offer tensile strength of 620-860 MPa, yield strength ≥450 MPa, excellent resistance to stress corrosion cracking, and fatigue strength twice that of 316L stainless steel. They withstand temperatures from -50°C to 300°C and suit high-pressure applications up to Class 2500.​

Dimensions Overview

Dimensions follow ASME B16.5 (1/2"-24") or B16.47 (larger sizes), with types including weld neck, slip-on, blind, socket weld, threaded, and lap joint.