Delivery: 3 seconds (Download full-editable-PDF + Invoice). Quotation: Click GB 9948-2013>>Add to cart>>Quote Editable-PDF Preview (Reload if blank, scroll for next page)
See Chinese contents: GB 9948-2013 GB 9948-2013: [GB/T 9948-2013] Seamless steel tubes for petroleum cracking
This Standard specifies the classification, code, dimension, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of seamless steel tubes for petroleum cracking. This Standard is applied to the seamless steel tubes used for petrochemical furnace tubes, heat exchanger tubes and pressure tubes.
