How to Verify EN Standards When Buying X5CrNi18-10 Sheets

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When buying Stainless Steel X5crni18-10 Sheets / Plates, it’s important to make sure they meet the correct EN standards. EN (European Norm) standards help ensure that the steel is of good quality, safe, and made as per proper guidelines. This helps avoid problems in future use, especially in industries like construction, chemical, and food processing.

Here are simple steps to verify EN standards when buying these stainless steel sheets or plates:

1. Check the Material Grade Marking
Always look for the material marking on the sheet or plate. It should clearly mention X5CrNi18-10, which is the EN name for stainless steel grade 1.4301 (also known as 304). If this marking is missing or unclear, ask for proper documentation.

2. Ask for a Mill Test Certificate (MTC)
A Mill Test Certificate is the most reliable way to confirm if the sheets or plates meet EN standards. The MTC should mention:

Material name: Stainless Steel X5crni18-10 Sheets / Plates

Chemical composition (must match EN 10088 standards)

Mechanical properties (like tensile strength and yield strength)

Heat number and batch details

Test results

If the supplier cannot provide an MTC, be cautious.

3. Match the Chemical Composition
The chemical composition for X5CrNi18-10 under EN 10088 usually includes:

Chromium (Cr): 17.5% – 19.5%

Nickel (Ni): 8.0% – 10.5%

Carbon (C): max 0.07%

Compare this with the MTC or product datasheet. The composition must be within this range to ensure it is real Stainless Steel X5crni18-10 Sheets / Plates.

4. Verify the Mechanical Properties
The sheets or plates should have:

Minimum yield strength of 210 MPa

Minimum tensile strength of 500-700 MPa

Good elongation (about 45%)

These values prove the material is strong and durable. They must match the EN 10088 standard values.

5. Look for EN Standard Codes
Check if the product follows the EN standard code EN 10088-2, which is for flat products like sheets and plates. If this code is present in the documents or on the label, it is a good sign.

6. Get a Third-Party Inspection (Optional)
If you are unsure, you can ask for a third-party inspection. Experts can test the material and verify that the Stainless Steel X5crni18-10 Sheets / Plates follow the correct EN standards.

7. Check Surface Finish and Dimensions
EN standards also cover surface finish (like 2B, BA, or No. 4) and dimensions (length, width, thickness). Ask for a size and finish sheet to ensure they match the EN requirements.

Conclusion
Verifying EN standards is very important when buying Stainless Steel X5crni18-10 Sheets / Plates. Always ask for proper certificates, check chemical and mechanical values, and make sure the product follows EN 10088. This will help you get the right material for your needs and avoid any risks