GB/T 227-1991 English PDF
| Standard ID | USD | BUY PDF | Lead-Days | Standard Title (Description) | Status |
| GB/T 227-1991 | 199 | Add to Cart | 2 days | Tool steel--Method of hardenability test | Obsolete |
Basic data
Standard ID: GB/T 227-1991 (GB/T227-1991)Description (Translated English): Tool steel--Method of hardenability test
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H24
Classification of International Standard: 77.040.30
Word Count Estimation: 5,565
Date of Issue: 12/13/1991
Date of Implementation: 10/1/1992
Older Standard (superseded by this standard): GB 227-1963
Regulation (derived from): Announcement of Newly Approved National Standards No. 8, 2008 (No. 121 overall)
Issuing agency(ies): State Bureau of Technical Supervision