Alloy 20 Sample MTC Certificate
Access a comprehensive, professionally formatted Material Test Certificate according to EN 10204-2004: 3.1 for Alloy 20 (ASTM F468 UNS N08020). Inspect the exact documentation your QA and engineering teams will receive with every Ananka Fasteners order.
What's Inside This Alloy 20 MTC Certificate
This sample mill test certificate mirrors the rigorous QA documentation package standard for highly corrosive-resistant orders shipped from Ananka Fasteners Pvt Ltd.
- Full Traceability: Certified with TC No.: S58/26-27 and corresponding ASTM specifications.
- Chemical Composition: Detailed breakdowns verifying the unique chemistry designed for severe acid resistance, including Nickel (33.50%), Chromium (20.10%), Copper (3.25%), Molybdenum (2.20%), and Columbium/Niobium stabilization.
- Heat Treatment Verification: Verified Solution Annealing (Stabilized Anneal) Treatment followed by a Water Quench.
- Mechanical Properties: Comprehensive reporting of Tensile Strength (585.40 MPa), Yield Strength (275.60 MPa), Elongation (38.50%), and Hardness (82, 84, 85 HRB).
- Quality Compliance: 100% visual inspection carried out and verified free from defects and radioactive contamination.
Live Preview: Alloy 20 MTC Data
Review the standard parameters and layout before downloading the full document.
TC Number
S58/26-27
TC Date
22.06.2026
Material Spec
ASTM F468 UNS N08020-2023
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 | Mo | Cu | Nb+Ta | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| 0.04 | 1.10 | 0.015 | 0.005 | 0.45 | 20.10 | 33.50 | 2.20 | 3.25 | 0.40 | Rem |
| Max: 0.07 | Max: 2.00 | Max: 0.045 | Max: 0.035 | Max: 1.00 | Min: 19.00 Max: 21.00 |
Min: 32.00 Max: 38.00 |
Min: 2.00 Max: 3.00 |
Min: 3.00 Max: 4.00 |
Min: 8xC Max: 1.00 |
Rem |
Mechanical Properties
| TENSILE STRENGTH (Mpa) | YIELD STRENGTH 0.2% Offset (Mpa) | % ELONGATION (GL-50mm) | HARDNESS (HRB) |
|---|---|---|---|
| 585.40 | 275.60 | 38.50 | 82, 84, 85 |
| Min: 551 | Min: 241 | Min: 30 | 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 F468 UNS N08020 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 Annealing (Stabilized)
- Quenching Medium: Water quenched
Testing Conditions
- Chemical, Mechanical & hardness test carried at room temperature 25°C
- 100% visual inspection carried out
Technical FAQs — Alloy 20 MTC Certificate
Why is Columbium (Niobium) carefully monitored on this MTC?
Alloy 20 (UNS N08020) relies on Columbium/Niobium (Nb+Ta) additions to stabilize the alloy against sensitization and prevent intergranular corrosion, particularly during welding. The MTC explicitly verifies that the Nb+Ta content meets the requirement of being at least 8 times the Carbon content (up to 1.00% max).
What heat treatment methodology is tracked on this certificate?
The MTC logs a Solution Annealing phase (often referred to as a stabilized anneal for Alloy 20) followed by a rapid Water Quench to ensure maximum corrosion 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.