ASTM A194 GRADE 8CLNCuB NUTS
ASTM A194 Grade 8CLNCuB Nuts Sample MTC Certificate
Access a comprehensive, professionally formatted Material Test Certificate according to EN 10204-2004: 3.1 for Stabilized, Copper-Modified Austenitic Stainless Steel Fasteners (ASTM A194 Grade 8CLNCuB). Verify chemical compositions, specialized heat treatments, and mechanical performance parameters certified for high-pressure/temperature service.
What's Inside This A194 Grade 8CLNCuB MTC Certificate
This sample mill test certificate reflects the thorough quality verification package standard for stabilized, copper-modified austenitic stainless steel heavy hex nuts shipped for severe service environments.
- Full Traceability: Certified with TC No.: S62/26-XX and corresponding ASTM material specifications.
- Stabilized Chemistry: Detailed analysis verifying Chromium, Nickel, Copper, and Niobium/Columbium content, which provides exceptional resistance to high-temperature sensitization and corrosion.
- Heat Treatment Verification: Tracking of the solution annealing process, ensuring the microstructure achieves the necessary strength and resistance to carbide precipitation.
- Mechanical Properties: Comprehensive reporting of Tensile Strength, Yield Strength, Elongation, and Hardness to verify strict compliance with A194 Grade 8CLNCuB limits.
- Quality Compliance: 100% visual inspection carried out and verified free from defects and radioactive contamination.
Live Preview: ASTM A194 Grade 8CLNCuB MTC Data
Review the standard parameters and layout before downloading the full document.
TC Number
S62/26-XX
TC Date
23.06.20XX
Material Spec
ASTM A194 Grade 8CLNCuB
Shape / Size
Hex Nut / M24
Dimensions / Item
Heavy Hex Nut M24-3.0P
Quantity
400.00 NOS
Chemical Composition %
| C | Mn | P | S | Si | Cr | Ni | Nb | Cu |
|---|---|---|---|---|---|---|---|---|
| 0.05 | 1.50 | 0.030 | 0.015 | 0.50 | 17.50 | 10.50 | 0.40 | 0.80 |
| Max: 0.08 | Max: 2.00 | Max: 0.045 | Max: 0.030 | Max: 1.00 | Min: 17.00 Max: 19.00 |
Min: 10.00 Max: 13.00 |
Min: 0.10 Max: 0.80 |
Min: 0.50 Max: 1.50 |
Mechanical Properties
| TENSILE STRENGTH (Mpa) | YIELD STRENGTH 0.2% Offset (Mpa) | % ELONGATION (GL-50mm) | HARDNESS (HRC) |
|---|---|---|---|
| 650.00 | 350.00 | 35.00 | 25, 26, 24 |
| Min: 550 | Min: 240 | Min: 30 | Max: 32 |
Standard References & Compliance
Our MTC certificates map to the demanding industrial standards for fasteners. The test reports confirm compliance with As Per ASME/ASTM A194 Grade 8CLNCuB 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 — ASTM A194 Grade 8CLNCuB MTC Certificate
What makes Grade 8CLNCuB suitable for demanding high-temperature environments?
The stabilization provided by Niobium/Columbium prevents the formation of harmful chromium carbides at grain boundaries. This stabilization, combined with copper modification for improved surface characteristics, allows the material to maintain its integrity and corrosion resistance even when exposed to high-temperature service environments where sensitization might otherwise occur.
What heat treatment methodology is tracked on this certificate?
The MTC logs a Solution Annealing phase followed by a rapid Water Quench. This process dissolves any chromium carbides and keeps the alloying elements, including the stabilizing Niobium and Copper, uniformly distributed within the austenitic structure to ensure peak 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 manufacturing defects.