Spiral steel pipe itself has no life limit, and the service life is mainly related to the operating environment and production process. Spiral steel pipe operating environment is relatively poor In order to extend the service life, the oute.
applied for gas cylinder ,grade 37Mn,34Mn2V. 30CrMo, 35CrMo dimenidions is 108-273*4-9mm,and standard GB 18248, JIS G 3429
1) we are a larger professionial manufacture with GB JIS Certificate.
2) we can offer steel pipe size :108-273*4-30mm.
3) we insurance the produts with highest quality and competitive price .
4) delivery goods within 10-20days and payment term T/T OR L/C at sight
if need, pls inform us by mail or call asap, and pls indicate the detail specification and length and quality and quantity you need, and we can quote you the most favorable price, and kindly hope can establish good business relation with you on the base of mutual profits.
we're awaiting for your soonest reply.
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