Dimension: 1/2inch - 20inch

Steel Grade:

      ASTM A53/A106: Grade A, Grade B

      ASTM A252: Grade 1, Grade 2, Grade 3

      ASTM A333/A334: Grade 1-11

      ASTM A423: Grade 1, Grade 2

      ASTM A501: Grade A, Grade B

      API 5L: Grade A/B, X42-X70(PSL1, PSL2)

      API 5CT: J55, K55, N80, L80, C90, P110, Q125