This standard is applicable to the weight calculation method of steel plates of grades specified in GB4237-84 "Stainless Steel Hot-Rolled Steel Plates" and GB3280-84 "Stainless Steel Cold-Rolled Steel Plates" (hereinafter referred to as steel plates). For steel plates of grades not specified in this standard, the weight calculation method shall be determined through negotiation between the supplier and the purchaser.
GB/T 4229-1984 history
2007GB/T 20878-2007 Stainless and heat-resisting steels Designation and chemical composition
1984GB/T 4229-1984 Methods of weight calculation of stainless steel plates and sheets
GB/T 4229-1984 Methods of weight calculation of stainless steel plates and sheets was changed to GB/T 20878-2007 Stainless and heat-resisting steels Designation and chemical composition.