ASTM A268/ASME SA268 Standard Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service

Chemical Composition of ASTM A268 TP446-1/TP446-2 Stainless Steel Pipes

C % Mn % P % S % Si % Cr % Ni % N %
0.20 max 1.50 max 0.040 max 0.030 max 1.00 max 23.0-27.0 0.75 max 0.25 1
0.12 max 1.50 max 0.040 max 0.030 max 1.00 max 23.0-27.0 0.50 max 0.25 2

 

Mechanical Properties of ASTM A268 TP446-1/TP446-2 Stainless Steel Pipes

Tensile Strength, Mpa Yield Strength, MPa Elongation, % Hardness, HB
415 min 275 min 20 min 217 max 1
450 min 275 min 20 min 207 max 2