Usage: Applicable to the general structure, mechanical structure, water wall panel, economizer, super heater, boiler and heat exchanger with seamless steel tubes, and to transport liquid, gas, oil etc. Standard: API 5L, API 5CT, ASTM A**6/A*3, ASTM A**9, JIS G ***1, JIS G***4, JIS G***5 DIN ***1, EN****5, EN****0, ASME SA**6, SA**2, SA**0, SA**3, SA**5, DIN****5, ASTM A**9… Certificate: API 5L PSL1/ PSL2, API 5CT,ISO ********8
Out Diameter:*0.****4.4mm Wall Thickness: 1.*4-*3.5mm Length: Random Length, Fixed Length, SRL, DRL