番号 | タイプ | 標準 | レベル |
1 | 溶接鋼管: ストレートシーム溶接鋼管 & スパイラルシーム溶接鋼管 |
GB/T3091, GB/T9711.1, API5L, ASTM A53, A335, A500, A671, EN10255, DIN2440, JIS G3452, BS1387, EN39, BS1139, ASTM A500.Gr.A.B.C.DIN2394/2395, JISG3444;JISG3446, |
Q195, Q215, Q235, Q345B, X42, X56, P11, ST35, ST52, S235JR, STP430, X65… |
2 | シームレス鋼管 | GB/T8162, GB/T8163, API5L, A106, A53, A335, A333, DIN1629, DIN2448, NF A49, GOST8731, JIS, G3454 |
20#, Q345B, GR.B, X42, ,56, X65, P11, P22, ST37, ST45.8, ST52, S235JR, S355JR, STP430S… |
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