STAINLESS STEEL GRADE 310S (UNS S31008 / W.NR. 1.4845) – MTC
Stainless Steel 310S Sample MTC Certificate
Access a comprehensive, professionally formatted Material Test Certificate according to EN 10204-2004: 3.1 for Stainless Steel Grade 310S (ASTM A276 UNS S31008 / W.Nr. 1.4845). Inspect the exact documentation your QA and engineering teams will receive with every Ananka Fasteners order.
What's Inside This SS 310S MTC Certificate
This sample mill test certificate mirrors the rigorous QA documentation package standard for highly oxidation-resistant, high-temperature austenitic stainless steel orders shipped from Ananka Fasteners Pvt Ltd.
- Full Traceability: Certified with TC No.: S74/26-27 and corresponding ASTM specifications.
- High-Temperature Chemistry: Detailed breakdowns verifying the high Chromium (~25.00%) and Nickel (~20.00%) content, providing exceptional resistance to oxidation and corrosion in continuous service up to 1150°C (2100°F).
- Low Carbon Verification: Explicit verification of the low carbon content (0.08% max for the 'S' designation) which minimizes carbide precipitation and embrittlement during high-temperature exposure or welding.
- Mechanical Properties: Comprehensive reporting of Tensile Strength (560.40 MPa), Yield Strength (245.50 MPa), Elongation (42.50%), and Hardness (84, 85, 83 HRB).
- Quality Compliance: 100% visual inspection carried out and verified free from defects and radioactive contamination.
Live Preview: Stainless Steel 310S MTC Data
Review the standard parameters and layout before downloading the full document.
TC Number
S74/26-27
TC Date
08.07.2026
Material Spec
ASTM A276 UNS S31008-2023
Bar Shape / Size
Round Bar / 16 mm
Dimensions / Item
Hex Head Bolt M16-2P x 80 mm
Quantity
10.00 NOS
Chemical Composition %
| C | Mn | P | S | Si | Cr | Ni | Fe |
|---|---|---|---|---|---|---|---|
| 0.06 | 1.20 | 0.020 | 0.005 | 0.50 | 24.80 | 19.50 | Rem |
| Max: 0.08 | Max: 2.00 | Max: 0.045 | Max: 0.030 | Max: 1.50 | Min: 24.00 Max: 26.00 |
Min: 19.00 Max: 22.00 |
Rem |
Mechanical Properties
| TENSILE STRENGTH (Mpa) | YIELD STRENGTH 0.2% Offset (Mpa) | % ELONGATION (GL-50mm) | HARDNESS (HRB) |
|---|---|---|---|
| 560.40 | 245.50 | 42.50 | 84, 85, 83 |
| Min: 515 | Min: 205 | Min: 40 | Max: 95 |
Standard References & Compliance
Our MTC certificates map to the demanding industrial standards for fasteners. The test reports confirm compliance with As Per ASME/ASTM A276 UNS S31008 EDT. 2023 with respect to the tests carried out.
| Standard / Requirement | Confirmation on Certificate |
|---|---|
| Visual Inspection | 100% visual inspection carried out & found free from defects. |
| Safety Requirements | Material is free from radioactive contamination. |
| Weld Repairs | No weld repair Perform. |
| Dimensional Accuracy | All Dimensions are as per PO Specification. |
Certification Details
We confirm that above mentioned Items was Manufactured, Sampled, Tested and Inspected in accordance with the subjected Customer's Purchase Order and as applicable Drawings, Material Specifications, Codes & Standards and the results of the items have been determined to meet the users' requirements.
Documentation Standard
- EN 10204-2004: 3.1 Standard
- Free from radioactive contamination
- Certified ISO 9001: 2015 Company
Heat Treatments
- Solution Annealed
- Quenching Medium: Water quenched
Testing Conditions
- Chemical, Mechanical & hardness test carried at room temperature 25°C
- 100% visual inspection carried out
Technical FAQs — Stainless Steel 310S MTC Certificate
Why is the "S" designation (Low Carbon) so important on this MTC?
The "S" in 310S stands for a lower carbon limit (0.08% maximum, compared to 0.25% in standard 310). The chemistry section explicitly verifies this low carbon content. This is critical for high-temperature applications because it minimizes carbide precipitation at the grain boundaries, which prevents embrittlement and maintains the alloy's structural integrity during continuous service or welding.
What heat treatment methodology is tracked on this certificate?
The MTC logs a Solution Annealing phase (typically heated to 1040-1150°C) followed by a rapid Water Quench. This ensures the carbon remains fully in solution, resulting in an entirely homogeneous austenitic microstructure with maximum corrosion and oxidation resistance.
Are the materials free from radioactive contamination?
Yes, the document strictly states that the material is free from radioactive contamination and undergoes a 100% visual inspection to ensure it is free from defects.
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