اساسي
API, ASTM, BS, DIN, JIS
درجة
20#, 10Cr9Mo1VNb, 10MoWVNb, 16mn, A53(A,B), A106(B,C), A135-A, 15crmo, 12Cr1MoV, Cr5Mo, Q235, Q345, Q195, Q215, ST37-2
Secondary Or Not
Non-secondary
Standard
API.SPEC.5CT-99, A106-99, , DIN2440, DIN2448, JISG3452-54,
Pipe thickness
SCH5S, SCH10S, SCH20S, SCH20, SCH30, STD, SCH40, SCH60, XS, SCH80,
Material
API 5L, Gr. A&B, ASTM A53, Gr. A & B, ASTM A106 Gr. A&B
Surface treatment
Natural, Black painted, Galvanized
Packing
Bundles or In bulk
End
Bevel or Plain with plastic cap