⑴ Standard:
★ API 5L, API 5CT,
★ ASTM A106/A53, ASTM A519,ASTM A179
★ JIS G 3441, JIS G3444, JIS G3445
★ DIN 2391, EN10305, EN10210,
★ ASME SA106, SA192, SA210, SA213, SA335,
★ DIN17175
⑵ Out Diameter: 1/8-30 Inch (10.3-762mm).
⑶ Wall Thickness: 0.049"-2.5"(1.24-63.5 mm).
⑷ Length: Random Length, Repaired Length, SRL, DRL.
⑸ Heat Treatment: Annealed, Intense annealed, Spheroidize hardened, Stabilized, Tension relieved, Cold finished, Quenched and Tempered.
⑹ Delivery Condition: BKS, NBK, BK, BKW, GBK(+A), NBK(+N), BK(+C).
⑺ Use: Applicable to the basic structure, mechanical structure, water wall panel, economizer, super heating system, boiler and heat exchanger with smooth steel tubes, and to transfer liquid, gas, oil etc.
⑻ Steel Grade:
★ API 5L: GR B, X42, X46, X56, X60, X65, X70.
★ ASTM A53/A106: GR A, GR B, GR C.
★ ASME SA106: GR.A, GR.B, GR.C.
★ ASME SA192: SA192.
★ ASME SA209M: T1, T1a.
★ ASME SA210: GR.A-1, GR.C.
★ ASME SA213: T2, T5, T9, T11, T12, T22.
★ ASME SA335: P2, P5, P9, P11, P12, P22, P91.
★ DIN17175: ST35.8, ST45.8, 15Mo3, 13CrMo44.