ASTM A789/ASME SA789 Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service

Standard ASTM A789, ASME SA789
Equivalent Standards DIN 17458, GOST 9941-81, GOST 9940-81, EN 10216-5, ASTM A790, ASME SA790, DIN 17456
Material S31500
Equivalent Materials X2CrNiMoSi18-5-3, 1.4424, SAF1805
Related Products stainless steel tube, stainless steel pipe, heat exchanger steel tube, ASTM A789

 

Chemical Composition of ASTM A789 S31500(SAF1805) Stainless Steel Pipes

C % Si % Mn % P % S % Cr % Ni % Mo % N %
0.03 max 1.4-2.0 1.2-2.0 0.03 max 0.03 max 18.0-19.0 4.5-5.2 2.5-3.0 0.05-0.10

 

Mechanical Properties of ASTM A789 S31500(SAF1805) Stainless Steel Pipes

Tensile Strength, Mpa Yield Strength, MPa Elongation, % Hardness, HB
630 min 440 min 30 min 290 max