Ninthore Overseas is one of the Leading Manufacturer And Exporter Of High Quality Stainless Steel 310H Buttweld Fittings, which is stable under standard conditions can be subjected to pressures before transforming into a high – pressure form, as described in the next section. Because of its significance for planetary cores, the physical properties of these Stainless Steel 310H Elbow at high pressures and temperatures have also been studied extensively. As molten stainless steel cools past its freezing point of 1538 Degree C, Stainless Steel 310H Tee Butt Weld Pipe Fittings crystallizes into its allotrope, which has a body – centered cubic (bcc) crystal structure.

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Stainless Steel 310H Buttweld Fittings

Stainless Steel 310H Buttweld Fittings

As it cools further to 1394 Degree C, these Stainless Steel 310H Cross Butt Weld Pipe Fittings changes to its gamma-steel allotrope, a face – centered cubic (fcc) crystal structure, or austenite. At 912 Degree C and below, the crystal structure of Stainless Steel 310H Reducer again becomes the bcc alpha – steel allotrope, or ferrite.

Finally at 770 Degree C, these Stainless Steel 310H Bend Butt Weld Pipe Fittings forms magnetic and also changes from paramagnetic to ferromagnetic. As Stainless Steel 310H Stub End, passes through the Curie temperature there is no change in crystalline structure, but there is a change in “domain structure”, where each domain contains iron atoms with a particular electronic spin.

Stainless Steel 310H Pipe Fittings Specifications
Specifications : ASTM A403 / ASME SA403
Size : 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated)
: ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Thickness : 5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS available with NACE MR 01-75
Type : Seamless / Welded / Fabricated
SS 310H Pipe Fittings 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 Buttweld Fittings 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 Pipe Fitting
SS 310H S31009
SS 310H Buttweld Pipe Fittings 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 Buttweld Fitting Test Certificates
We at Ninthore Overseas 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 Ninthore Overseas 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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