ASTM A387 A387M Specification
ASTM A387 Grade 11 Class 1(A387GR11CL1) Press...
ASTM A387 Grade 22 Class 1(A387GR22CL1) Press...
ASTM A387 Grade 11 Class 2(A387GR11CL2) Press...
ASTM A387 Grade 5 Class 2(A387GR5CL2) Pressur...
ASTM A387 Grade 22 Class 2(A387GR22CL2) Press...
ASTM A387 Grade 12 Class 2(A387GR12CL2) Press...
ASTM A387 Grade 5 Class 1(A387GR5CL1) Pressur...
ASTM A387 Grade 12 Class 1(A387GR12CL1) Press...