This Standard specifies the designation and its chemical constitution of stainless steel and heat resisting steel (see Table 1 ~ Table 5). Physical parameter of some designations, overseas standards designation or approximate designation parallel table, stainless steel and heat resisting steel designation criterion of acceptability are specified in the Informative Annex. Chemical constitution limit and its designation time specified in this Standard are applicable to formulating and revising the product standard for stainless steel and its refractory steel (including steel ingot and its half-finished product).
Basic Data
Standard ID
GB/T 20878-2007 (GB/T20878-2007)
Description (Translated English)
Stainless and heat-resisting steels -- Designation and chemical composition
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
H40
Classification of International Standard
77.140.20
Word Count Estimation
45,447
Date of Issue
2007-03-09
Date of Implementation
2007-10-01
Older Standard (superseded by this standard)
GB/T 4229-1984
Regulation (derived from)
China National Standard Approval Announcement2007 No.3 (Total No.103)
Issuing agency(ies)
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary
This standard specifies the stainless steel and heat-resistant steel grades and chemical composition (see Table 1 to Table 5), and in the form of data included in the appendix of the physical parameters of certain brands, foreign standard grades table, stainless and heat resisting steels grades applicable standards.
