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Home Material ASTM A270/A270M-2015
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USA UNS S31254
Corresponding Standard ASTM A270/A270M-2015
Seamless and Welded Austenitic and Ferritic/Austenitic Stainless Steel Sanitary Tubing
Classification Austenitic Stainless Steel
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo N
Minimum Value - - - - - 19.5 17.5 0.5 6 0.18
Maximum Value 0.02 0.8 1 0.03 0.01 20.5 18.5 1 6.5 0.22
1 Approximate Comparison Table Austenitic Stainless Steel
China Japan United States International Organization for Standardization European Standard Sweden
GB ISC JIS ASTM UNS ISO EN Numerical Grade SS
015Cr20Ni18Mo6CuN S31252 SUS 312L S31254 S31254 X1CrNiMoN 20-18-7
X1CrNiMoCuN20-18-7 		X1CrNiMoCuN 20-18-7 1.4547 254SMO
2 Approximate Comparison Table Austenitic Stainless Steel
China United States Germany European Standard Sweden
GB Commercial Grade UNS DIN EN/DIN W-Nr. EN Numerical Grade SS
254SMo 254SMO S31254 X1CrNiMoCuN20-18-7 1.4547 X1CrNiMoCuN20-18-7 1.4547 2378

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