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ASTM A182 F 310S Stainless Steel Flanges

ASTM A182 F 310S Stainless Steel Flanges
Sizes: 1/2" to 48" (DN15 to DN1200)
Pressure Class: Class 150 to 2500, PN6 to PN64
Type: Forged, Plate, Blind, Weld Neck
Standard: ASME B16.5, B16.47, EN 1092-1
Face Type: RF, FF, RTJ, Tongue & Groove
Surface Finish: Rust-Proof Oil, Spiral Serrated Finish
Process: Forged, Heat Treated, CNC Machined
Origin: India, Japan, USA, Europe
goldenislands.com.sa

ASTM A182 F310S Stainless Steel Flanges are specialized high-temperature, low-carbon piping components designed to combine exceptional oxidation resistance with superior weldability. Manufactured to the strict criteria of ASTM A182 and ASME SA182, these forged flanges are engineered from grade 310S, which is the lower-carbon variant of the standard 310 austenitic alloy. By limiting the carbon concentration to 0.08% maximum, these F310S flanges reduce the risk of carbide precipitation during high-temperature welding, enabling durable, crack-free performance in demanding continuous-heat installations.

Our manufacturing line supplies an extensive variety of ASTM A182 F310S slip-on, weld neck, blind, threaded, and socket weld flanges. Available in multiple pressure classes from Class 150 up to Class 2500 and PN6 to PN64, each flange undergoes meticulous CNC machining to ensure flat, precise gasket-seating faces. Their low-carbon profile and outstanding structural stability make them the industry standard for thermal treatment systems, petroleum cracking equipment, ore processing plants, and high-temperature flue gas recovery systems.



ASTM A182 F 310S Stainless Steel Flanges Features

  • » Certification: MTC EN 10204 type 3.1 & NABL Approved Lab Reports
  • » Global Standards: ASTM A182, ASME B16.5, B16.47, EN 1092-1, and DIN norms
  • » Low Carbon Advantage: Restricts carbide precipitation at the grain boundaries during heavy welding
  • » Value Added Services: Spiral Serration, Mirror Polishing, Pickling, and Custom CNC Machining
  • » Extreme Thermal Limits: Resistant to continuous oxidation in air up to 1150 °C
  • » Structural Testing: 100% NDT (Radiography, Ultrasonic, Hydrostatic) and PMI Tested
  • » Seating Faces: Raised Face (RF), Flat Face (FF), and Ring Type Joint (RTJ) profiles
  • » Complete Product Range: Full inventory of Slip-On, Weld Neck, Blind, and Socket Weld F310S Flanges

ASTM A182 F 310S Stainless Steel Flanges Specification

Size & Pressure Ratings

  • Dimensional Range: 1/2" to 48" (DN15 to DN1200)
  • ASME B16.5: Class 150 to Class 2500
  • ASME B16.47: Series A & B (26" to 60")
  • Pressure PN: PN6, PN10, PN16, PN25, PN40, PN64

Slip-On & Plate Specs

  • SORF Flanges: Slide-over design ensures simple alignment
  • Plate Flanges: Economical flat surface for low-pressure heat ducts
  • Weldability: Low carbon prevents crack formation
  • Faces: Raised Face (RF) and Flat Face (FF)

WN & RTJ Specifications

  • Weld Neck (WNRF): Tapered hub prevents thermal fatigue
  • Ring Joint (RTJ): Superior sealing under cyclic temperatures
  • Bores: Matched to high-temperature internal pipe ID
  • Pressure Handling: Designed for high-stress environments

Blind & Line Isolation

  • Blind Flanges (BLRF): For permanent or temporary line closure
  • Spectacle Blinds: Used for positive isolation in continuous heat lines
  • Oxidation Resistance: Avoids scaling up to 1150 °C
  • Standard: ASME B16.48, ASME B16.5

SW & Threaded Details

  • Socket Weld (SWRF): Used for small-diameter high-pressure pipes
  • Threaded Flanges: No-weld mechanical join via NPT or BSPT
  • Sizes: 1/2" up to 4" (DN15 to DN100)
  • Seating Profiles: Raised Face (RF) or Flat Face (FF)

LJ & Orifice Specifications

  • Lap Joint Flanges (LJ): Rotatable flange for fast bolt alignment
  • Orifice Flanges: Precision drilled tapping holes for gauges
  • Usage: Paired with 310S stub ends for thermal expansion
  • Standard: ASME B16.36 dimensional standard

Customized Flanges

  • Long Weld Neck (LWN): Extended reach for vessel nozzle mounting
  • Nipo Flanges: Dual-purpose compact branch connection
  • Ring Flange: Smooth face ring plate varieties
  • Square Flanges: For specialty high-pressure furnaces

Flange Faces & Sealing

  • RF & FF: Ensures uniform gasket seating
  • TG / MF: Tongue & Groove and Male & Female options
  • Finishes: 125-250 AARH serrated finish / mirror smooth
  • Sealing: High-temperature graphite or metal spiral gaskets

Testing & Compliance

  • Alloy Grade: F310S / UNS S31008 / Werkstoff 1.4845
  • Carbon Range: 0.08% max for advanced weldability
  • Testing: Radiography, Ultrasonic (UT), Hydrostatic, and PMI
  • MTC Document: Heat traceable EN 10204 3.1 certification

ASTM A182 F 310S Stainless Steel Flanges Detailed Specifications

Specification Details
Specification ASTM A182 / A403 & ASME SA182 / SA403
Grade ASTM A182 F202, F304/304L/304H, F316/316L, F316H, F316TI, F310, F321, F904L
Connect Type/ Flange Face Type Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Lap-Joint Face (LJF), Large Male-Female (LMF), Small Male-Female (SMF), Large Tongue & Groove, Small Tongue, Groove
Surface treatment Anti-rust oil, transparent/ yellow/ black anti trst paint, Zinc, hot dipped galvanized
Size Range 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Pressure DIN:PN6 PN10 PN16 PN25 PN40; ANSI: class: 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-PN6, PN10, PN16, PN25, PN40, PN64 etc.
JIS: 5K, 10 K, 16 K 20 K,30 K,40 K, 63 K
Standard ANSI DIN,GOST,JIS,UNI,BS,AS2129,AWWA,EN,SABS,NFE etc.
ASME, API, ASTM, BS, DIN, EN, MSS, JIS, AWWA, GOST
ANSI Flange, ASME Flange, BS Flange, DIN Flange, EN Flange
  • B.S : BS4504 , BS3293, BS1560, BS10
  • DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638
  • ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
  • ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48
  • ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
  • AS 2129: table D; table E; table H
  • The other standard:AWWA C207;EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203;UNI2276
  • American standard (ANSI)
  • German (DIN)
  • British standard (BS)
  • Any other specilised flanges.
Production technique: Forged, Heat treated and machined
Special Design As per your drawing
AS, ANSI, BS, DIN and JIS
15 NB (1/2″) to 200 NB (8″)
Equal and Reducing Configurations

Stainless Steel Threaded Flange, Slip-On Flange, Socketweld Flange, Weld Neck Flange, Blind Flange
Test Direct-reading Spectrograph,Hydrostatic testing machine,X-ray detector,UI trasonic flaw detector,Magnetic particle detector
Equipment Press machine ,Bending machine,Pushing Machine,electric bevelling machine Sand-blasting machine,etc
Origin West Europe / Japan / Indian / USA / Korean
Test Certificates Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report
Specialized manufacturer of Stainless Steel Blind Flanges, Stainless Steel Table Flanges, Stainless Steel Weld Neck Flanges, Stainless Steel Threaded Flanges, Stainless Steel Slip-On Flanges, Stainless Steel Socketweld Flanges, Stainless Steel Plate Flanges, Stainless Steel Lap Joint Flanges, Stainless Steel Loose Flanges, and Stainless Steel Orifice Flanges. Stainless Steel AS 4087 Water Flanges are available in class 150, 300, 600, 900, 1500 and 2500.
Key markets and industries
  • Bitumen upgraders.
  • Heavy oil refineries.
  • Nuclear power (mostly seamless).
  • Petrochemicals and acids.
Similar Pipe Flange Key Grades
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Stainless Steel 310S Flanges Type, Size Range & Dimensional Standards

Flange Type Dimension Range Standard / Drawing Valid Norm
Stainless Steel 310S Blind Flanges DN15 – DN2500 DIN2527 PN16 DN150 BL 300lb 6"
½" – 24" Standard ANSI / ASME Class 150 to 2500
Stainless Steel 310S Threaded with neck DN15 – DN150 DIN2566 DN32 / 42.4 TH 300lb 1"
Stainless Steel 310S Threaded Flanges ½" – 24" Standard Threaded NPT / BSPT Sizes
Flanges smooth for welding (Plate) DN15 – DN2500 DIN2576 DN150
Stainless Steel 310S Welding Neck Flanges DN15 – DN2500 DIN2635 DN150 / 168.3 WN 300lb 6", GOST Dy150 Py16
½" – 24" / Dy10 – Dy2400 ASME B16.5 WN Classes 150 – 2500
Stainless Steel 310S loose flanges, smooth Bunde DN15 – DN2500 DIN2642 DN150
Stainless Steel 310S loose flanges Stub DN15 – DN2500 DIN2673 DN150
Stainless Steel 310S Welding flanges with neck DN15 – DN2500 DIN86030 DN150
Stainless Steel 310S Slip On Flanges ½" – 24" SO 300lb 6"
Dy10 – Dy2400 GOST Standard Specifications
Stainless Steel 310S Lap Joint Flanges ½" – 24" LJ 300lb 6"
Stainless Steel 310S Socket Welding Flanges ½" – 3" SW 300lb 6"
Forged and Plate Flanges
(Slip-On, Weld Neck, Blind, Lap Joint, Threaded, Socket Weld, Reducing, Plate)
½" – 36" Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Lap-Joint Face (LJF), Large Male-Female (LMF), Small Male-Female (SMF), Large Tongue & Groove, Small Tongue & Groove

Types of ASTM A182 F 310S Stainless Steel Flanges

Stainless Steel 310S Orifice Flange

Stainless Steel 310S Orifice Flange

Stainless Steel 310S Spectacle Blind Flange

Stainless Steel 310S Spectacle Blind Flange

Stainless Steel 310S Weld Neck Flange

Stainless Steel 310S Weld Neck Flange

Stainless Steel 310S Lap Joint Flange

Stainless Steel 310S Lap Joint Flange

Stainless Steel 310S Ring Flange

Stainless Steel 310S Ring Flange

Stainless Steel 310S Socket Weld Flange

Stainless Steel 310S Socket Weld Flange

Types of Stainless Steel 310S Flanges

  • Stainless Steel 310S Table Flanges/ SS 304 Flanges
  • Stainless Steel 310S Raised Face Weld Neck Flanges
  • Stainless Steel 310S Threaded Flanges/ SS 304
  • Stainless Steel 310S Raised Face Slip-On Flanges
  • Stainless Steel 310S Socketweld Flanges
  • Stainless Steel 310S Raised Face Blind Flanges
  • Stainless Steel 310S Blind Plate Flanges
  • Stainless Steel 310S Lap Joint Flanges
  • Stainless Steel 310S Flanged Buttweld
  • Stainless Steel 310S Spectacle Blind
  • Stainless Steel 310S Loose Flanges Manufacturer
  • Stainless Steel 310S Orifice Flanges
  • Stainless Steel 310S DIN Flanges/ SS 304 Flange
  • Stainless Steel 310S AS 4087 Water Flanges
  • Stainless Steel 310S ANSI Class 150 Flanges
  • Stainless Steel 310S ANSI Class 300 Flanges
  • Stainless Steel 310S ANSI Class 600 Flanges
  • Stainless Steel 310S ANSI Class 900 Flanges
  • Stainless Steel 310S ANSI Class 1500 Flanges
  • Stainless Steel 310S ANSI Class 2500 Flanges
  • Stainless Steel 310S plate flanges suppliers
  • Stainless Steel 310S anchor flanges
  • Stainless Steel 310S Square Flanges
  • Stainless Steel 310S Blank Flanges suppliers
  • Stainless Steel 310S Screwed Flanges
  • Stainless Steel 310S Ring Type Joint Flanges
  • Stainless Steel 310S Ring Flange/ SS 304 Flanges

ASTM A182 F 310S Stainless Steel Flange Chemical Composition

Element Value (%)
Carbon (C) 0.08 max
Manganese (Mn) 2.00 max
Silicon (Si) 1.50 max
Chromium (Cr) 24.00 – 26.00
Nickel (Ni) 19.00 – 22.00
Phosphorus (P) 0.045 max
Sulfur (S) 0.030 max
Iron (Fe) Balance

ASTM A182 F 310S Stainless Steel Flange Mechanical Properties

Property Value
Tensile Strength (MPa) 515 min
Yield Strength (0.2% Offset, MPa) 205 min
Elongation in 2 in. or 50mm (%) 30 min
Reduction of Area (%) 50 min
Hardness (Brinell HBW) 192 max
Hardness (Rockwell B) 90 max

Stainless Steel 310S Flanges Ready Stock At Golden Steel Material

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  • ASTM A160 Stainless Steel 310S BLRF Flanges
  • ASME B16.47 Stainless Steel 310S WNRF Flanges
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  • AISI B16.47 SS Flanges
  • Stainless Steel 310S Gas Pipe Flange
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Industrial Locations & Keywords
Riyadh Industrial Cities (1st, 2nd, 3rd & Sudair)
Jeddah Industrial Cities (1st, 2nd & 3rd)
Dammam Industrial Areas (1st, 2nd & 3rd)
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Yanbu Industrial City
Rabigh Industrial City
Al Khobar Industrial Area
Al Ahsa Industrial City
Madinah Industrial City
Makkah Industrial City
Taif Industrial City
Tabuk Industrial City
Jazan Industrial City
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Flange and valve supplier Saudi Arabia
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