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The standard for the 310S stainless steel pipe
The execution standards for 310S stainless steel pipes mainly include international standards such as ASTM, ASME, and EN, as well as national standards like GB/T. The specific standards are as follows:
1. ASTM standard:
ASTM A312: Suitable for seamless and welded steel pipes of austenitic stainless steel.
ASTM A790: Suitable for large-diameter austenitic stainless steel seamless pipes.
ASME SA213: Suitable for ferritic and austenitic alloy steel pipes used in medium and high-pressure boilers and superheaters.
ASME SA249: Suitable for austenitic stainless steel seamless pipes used in medium and high-pressure boilers and superheaters.
ASME SA789: Suitable for general-purpose austenitic stainless steel seamless and welded pipes.
2. ASME Standards:
ASME SA240/SA240M: Applicable to hot-rolled and cold-rolled stainless steel plates, coils and strips.
3. EN standard:
EN 10028-7: This standard is applicable to stainless steel plate products used in pressure equipment. It specifies the performance requirements, quality inspection methods, and marking procedures under both room temperature and high temperature conditions.
4. GB/T Standards
GB/T 14976: Applicable to stainless steel seamless pipes for fluid transportation.
These standards specify in detail the key indicators such as chemical composition, mechanical properties, dimensions and tolerances of 310S stainless steel pipes, ensuring that the product quality and performance meet the requirements. For example, the chemical composition of 310S stainless steel includes nickel Ni: 19.00~22.00%, chromium Cr: 24.00~26.00%, molybdenum: ≤0.75%, silicon Si ≤ 1.50%, manganese Mn: ≤ 2.00%, carbon C: ≤ 0.08%, sulfur S: ≤ 0.030%, phosphorus P: ≤ 0.035%.
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