탄소강 및 파이프
- 재료
- -SA/A179, SA/A192, SA/A210 (A-1, C), SA/A53 (유형 S Seamless A, B)
- -SA/A106 (A, B, C), API (J55, N80, L80)
합금 강철 튜브 및 파이프
- 재료
- -SA/A 213 - T2, T5, T5b, T5C, T9, T11, T12, T17, T21, T22, T23, T24, T91, T92
- -SA/A 334 - Gr.1, Gr.3, Gr.6, Gr.8, Gr.9, Gr.11
- -SA/A 333 - Gr.1, Gr.3, Gr.4, Gr.6, Gr.7, Gr.9, Gr.10, Gr.11
- -SA/A 335 - Grade P1, P2, P5, P5B, P5C, P9, P11, P12, P15, P21, P22, P23
