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International Standard Category: Steels

GB/T 5216-1985    Technical requirements for structural steel with specified hardenability bands
保证淬透性结构钢技术条件 ;
Category No.:77.080.20 Valid Status:superseded
Issued Organization: Issued Date:1985-07-18
Implemented Date:1986-6-1 Abolished Date:2004-07-01
Superseded Standard.:GB/T 5216-2004 Structural steels subject to end-quench hardenability requirments
Superseded Date:2004-7-1
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