Grade 8.8 Sample MTC Certificate
Access a comprehensive, professionally formatted Material Test Certificate according to EN 10204-2004: 3.1 for high-tensile Grade 8.8 (ISO 898-1). Verify the exact documentation your QA teams will receive, featuring heat treatment records and mechanical verification.
What's Inside This Grade 8.8 MTC Certificate
This sample mill test certificate mirrors the rigorous documentation package shipped with every high-tensile fastener from Ananka Fasteners.
- Full Traceability: Certified with exact Lot No.: L042 and TC No.: S01/26-XXX linked back to the heat lot.
- Chemical Breakdown: Detailed results for Carbon (0.601%), Manganese, Phosphorus, and Sulfur ensuring metallurgical compliance.
- Heat Treatment Verification: Verified Hardening (880°C) and Tempering (600°C) cycles with recorded soaking times and quenching mediums.
- Mechanical Properties: Reporting of Tensile Strength (867.76 MPa), Yield Strength (687.76 MPa), and Hardness (26.3 - 28.3 HRC).
- Charpy Impact Test: Verified impact toughness with an average value of 54.67 J achieved.
- Dimensional Conformance: Confirmation of inspection as per DIN 931 standards.
Live Preview: Grade 8.8 MTC Data
TC Number
S01/26-XXX
TC Date
02/04/202X
Heat Number
HT-88XXX
Lot Number
LXXX
Hardening Temp
880°C (Oil Quenched)
Dimensions / Item
HEX BOLT M12 x 110mm (DIN 931)
Chemical Composition % (Actual Results)
| Carbon (C) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Silicon (Si) |
|---|---|---|---|---|
| 0.601 | 0.342 | 0.0211 | 0.001 | 0.0133 |
| Min: 0.25 | Max: 0.55 | Min: 0.60 | Max: 0.025 | Max: 0.003 | Max: 0.025 |
Mechanical Properties Verification (Test Method: ASTM A370)
| Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Reduction Area (%) | Hardness (HRC) |
|---|---|---|---|---|
| 867.76 | 687.76 | 18.20 | 59.11 | 26.3, 28.3, 26.4 |
| Min: 800 | Min: 640 | Min: 12 | Min: 52 | 23 - 34 |
Standard References: ISO 898-1 Compliance
Our MTC certificates map to the demanding industrial standards for fasteners. The test reports confirm compliance with As Per ISO 898-1 standards with respect to the tests carried out.
| Standard / Requirement | Confirmation on Certificate |
|---|---|
| Dimensional Spec | Dimensions as per DIN 931 Standards. |
| Hardness Test | Hardness verified within 23 - 34 HRC range. |
| Visual Inspection | 100% visual inspection carried out & found free from defects. |
| Weld Repairs | No Weld Repair Performed. |
Ananka Fasteners' Certification Details
We certify that the fastener was manufactured sampled, tested and inspected in accordance with the specification and the results have been determined to meet the requirements of the specification.
Documentation Standard
- EN 10204-2004: 3.1 Standard
- Material is free from radioactive contamination
- ISO 9001:2015 Compliant
Heat Treatments
- Hardening Temp: 880°C
- Tempering Temp: 600°C
- Quenching Medium: Oil Quench
Testing Conditions
- Charpy Impact Testing Verified
- Blackening Finish Applied
- Dimensional Conformance Verified
Technical FAQs — Grade 8.8 MTC Certificate
What heat treatment methodology is tracked on this certificate?
The MTC specifically logs a hardening cycle at 880°C followed by an Oil Quench and a final tempering cycle at 600°C to achieve Grade 8.8 mechanical properties.
What specific tests are logged on the certificate?
The report includes chemical analysis, mechanical testing (Tensile, Yield, Elongation, Reduction Area), Hardness testing (HRC), and Charpy Impact testing.
Are dimensional and visual inspections included?
Yes, the certificate confirms 100% visual inspection found free from defects and dimensional conformance according to DIN 931 for Hex Bolts.