Stainless Steel 310H Flanges Manufacturer

Sachiya Steel International Is One Of The Leading Manufacturer And Exporter Of High Quality Stainless Steel 310H Flanges, which is a series of proprietary grades, generally with a 0.03 % maximum carbon and sometimes used for very specific corrosive environments such as urea production. Like other austenitic grades, these Stainless Steel 310H Slip On Flanges have excellent toughness, even down to cryogenic temperatures, although other grades are normally used in sub – zero environments. The high chromium content – intended to increase high temperature properties – also gives these Stainless Steel 310H Threaded Flanges good aqueous corrosion resistance.

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Stainless Steel 310H Flanges
  Stainless Steel 310H Flanges

Sea water resistance of our Stainless Steel UNS S31009 Weld Neck Flanges is about 22 Degree C, which is similar to that of Grade 316. In high temperature service, these Stainless Steel 310H Blind Flanges exhibit good resistance to oxidizing and carburizing atmospheres. Our Stainless Steel 310H Socket Weld Flanges resist fuming nitric acid at room temperature and fused nitrates up to 425 Degree C. The high carbon contents do make these Stainless Steel 310H Lap Joint Flanges susceptible to sensitization and hence inter – granular corrosion after elevated temperature exposure or welding.

Our Stainless Steel 310H Spectacle Blind Flanges are often produced in “Dual Certified” form – mainly in plate and pipe, which as well have chemical and mechanical properties. These Stainless Steel 310H Ring Joint Type Flanges is subject to stress corrosion cracking but more resistant than SS 304 or SS 316.

Stainless Steel 310H Pipe Flanges Specifications

Specifications : ASTM A182 / ASME SA182
Size : 1/2″ (15 NB) to 48″ (1200NB)
: ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.

SS 310H Pipe Flanges Chemical Composition

Grade C Mn Si P S Cr Mo Ni N
SS 310H 0.04 – 0.10 2 max 1.00 max 0.045 max 0.030 max 24.00 – 26.00 19.00 – 21.00 53.885 min

Stainless Steel 310H Plate Flanges Mechanical Properties

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
7.9 g/cm3 1402 °C (2555 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 40%

Equivalent Grades for 310H Stainless Steel Industrial Pipe Flanges

SS 310H S31009

SS 310H Flanges Application Industries

  • Off-Shore Oil Drilling Companies
  • Power Generation
  • Petrochemicals
  • Gas Processing
  • Specialty Chemicals
  • Pharmaceuticals
  • Pharmaceutical Equipment
  • Chemical Equipment
  • Sea Water Equipment
  • Heat Exchangers
  • Condensers
  • Pulp and Paper Industry

Stainless Steel 310H Pipe Flanges Test Certificates

We at Sachiya Steel International provide Manufacturer TC (Test Certificate) in accordance to EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report. We also provide Standard certificates like EN 10204 3.1 and additional requirement like. NACE MR 01075. FERRIT CONTENT as per norms if requested by clients.

• EN 10204/3.1B,
• Raw Materials Certificate
• 100% Radiography Test Report
• Third Party Inspection Report, etc

Material Testing

We at Sachiya Steel International ensure that all our materials go through strict quality tests before dispatching them to our clients.

• Mechanical Testing Such as Tensile of Area
• Hardness Test
• Chemical Analysis – Spectro Analysis
• Positive Material Identification – PMI Testing
• Flattening Test
• Micro and Macro Test
• Pitting Resistance Test
• Flaring Test
• Intergranular Corrosion (IGC) Test


• Commercial Invoice which includes HS Code
• Packing List including net weight and gross weight, number of boxes, Marks and Numbers
• Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
• Fumigation Certificates
• Raw Material Test Reports
• Material Traceability Records
• Quality Assurance Plan (QAP)
• Heat Treatment Charts
• Test Certificates certifying NACE MR0103, NACE MR0175
• Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
• Guarantee Letter
• NABL approved Laboratory Test Reports
• Welding Procedure Specification/Procedure Qualification Record, WPS/PQR
• Form A for the purposes of the Generalized System of Preferences (GSP)

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