2) ERW pipe:
* Standards: GB/T3091-2002 BS1387: 1985 DIN2440,
EN39-2001 ASTM A53 Gr.Asch40 ASTM A500
* Size Range: 1/2"-8"
* ERW pipe is widely used in the fields of construction, low-pressure liquid transportation
3) Seamless pipe:
* Specification:
- API 5L PSL1 (Grade: A,B,X42,X52,X56,X60,X65,X70,X80): transmission of petroleum, natural gas
- ASTM A53/ASTM SA53, ASTM A106/ASTM SA106 (Grade: A,B,C): transmission of coal gas, air, oil and steam
- DIN 1629 (Grade: ST37.0,ST44.0,ST52.0): regular line pipe
* Size range:
Dia 1/4” -18”
4)Square/ Rectangular Tube:
* Specification:
- GB/T6728-2002 , ASTM A500 Gr. A. B. C. JIS G3466
* Size Range:
- 10x10mm-400x400mm
* Application:
- Square/Rectangular tube is applicable to frame for civil construction, furniture and etc.
