ISO 898-2 Class 8 – MTC
ISO 898-2 Class 8 Nut Sample MTC Certificate
Access a comprehensive, professionally formatted Material Test Certificate according to EN 10204-2004: 3.1 for ISO 898-2 Class 8. Inspect the exact documentation your QA and engineering teams will receive with every high-strength steel nut order.
What's Inside This Class 8 Nut MTC Certificate
This sample mill test certificate mirrors the rigorous QA documentation package standard for structural and mechanical high-strength carbon steel nuts shipped from our facilities.
- Full Traceability: Certified with TC No.: N88/26-XX and corresponding ISO 898-2 specifications.
- Carbon Steel Chemistry: Detailed breakdowns verifying the precisely controlled Carbon and alloy content required to guarantee structural integrity and thread engagement for general high-strength applications.
- Verified Heat Treatment: Explicit documentation of the Quenched and Tempered process where applicable to achieve optimal mechanical properties and proof load resistance.
- Mechanical Properties & Proof Load: Comprehensive reporting of Proof Load Stress, Hardness (HV limits per strict ISO 898-2 Class 8 specifications), and thread gauging compliance.
- Quality Compliance: 100% visual and dimensional inspection carried out and verified free from defects and radioactive contamination.
Live Preview: ISO 898-2 Class 8 MTC Data
Review the standard parameters and layout before downloading the full document.
TC Number
N88/26-XX
TC Date
18.11.20XX
Material Spec
ISO 898-2 Class 8-2023
Bar Shape / Size
Hex Nut / M16
Dimensions / Item
Hex Nut M16-2.0P
Quantity
5000 NOS
Chemical Composition %
| C | Mn | P | S | B | Fe |
|---|---|---|---|---|---|
| 0.35 | 0.75 | 0.015 | 0.010 | 0.001 | Rem |
| Min: 0.25 Max: 0.55 |
Report | Max: 0.048 | Max: 0.058 | Max: 0.003 | Rem |
Mechanical Properties & Proof Load
| PROOF LOAD STRESS (MPa) | VICKERS HARDNESS (HV) | ROCKWELL HARDNESS (HRC) | THREAD GAUGE CHECK |
|---|---|---|---|
| 800.00 | 245 | 24.2 | 6H Go / No-Go Pass |
| Min: 800 | Min: 202 Max: 302 |
Min: 18 Max: 30 |
As per ISO 965 |
Standard References & Compliance
Our MTC certificates map to the demanding industrial standards for structural and mechanical fasteners. The test reports confirm compliance with As Per ISO 898-2 Class 8 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
- Quenched and Tempered
- Controlled thermal processing
Testing Conditions
- Proof load, chemical, and hardness test carried at room temperature 25°C
- 100% visual inspection carried out
Technical FAQs — ISO 898-2 Class 8 MTC
What does property "Class 8" mean for a nut under ISO 898-2?
In the metric nut property class system, the number "8" designates that the nut can successfully withstand the proof load stress associated with matching bolts of property class 8.8 without stripping or thread failure. It guarantees a minimum proof load stress of 800 MPa.
What heat treatment is typical for Class 8 nuts?
Class 8 nuts are manufactured from carbon or alloy steel and are typically quenched and tempered to ensure they meet the rigorous hardness and proof load requirements specified in ISO 898-2, ensuring robust resistance under high mechanical stress.
Which bolts are compatible with ISO 898-2 Class 8 nuts?
Class 8 nuts are designed to mate perfectly with bolts of property class 8.8. Using matching fastener classes ensures joint reliability, predictable tensioning, and balanced structural integrity across industrial assemblies.
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