Warshadda Weelasha & Bayaanka Shiinaha Weel-ka-soo-saareyaasha Shiinaha

Weelasha & tuubooyinka xarkaha

Qulqulashooyinka oo kala duwan - fasallo kala duwan oo ku yaal aloy bir ah, bir yar, bir bir ah, suples, laba mm oo ah birta carbon-ka ah, tuubooyinka kaarboonka yaryar, tuubooyinka xarkaha ah. Sida laga soo xigtay ASTM-106, API 5 L, ASTM A53 Fasalka A / B, ASTM a-340, ASTM A-340/2441, BS3601 / 1387/1387 (15 mm) ) Erw, LSAW, HSAW, EFW, EFW, ASTM, ASTM fasalka A / B, ASTM A671 / 672, ASTM A-312, Bs1387, DIN 24 ...

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