Standard No.:	JB/T 11021-2010
English Name:	Specification of high chromium steel forging for large back-up rolls
Chinese Name:	大型高铬锻钢支承辊 技术条件
Chinese Classification:	J32    Forging and pressing
Professional Classification:	JB    Professional Standard - Machinery
ICS Classification:	77.140.85 77.140.85    Iron and steel forgings 77.140.85
Source Content Issued by:	Ministry of Industry and Information Technology
Issued on:	2010-02-11
Implemented on:	2010-7-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	4000 words
Translation Price(USD):	120.0
Delivery:	via email in 1~3 business day

本标准规定了黑色金属和有色金属板带材各类冷、热轧机和中厚板轧机使用的，Cr含量不低于3～5.5%、辊身直径大于或等于φ1000mm的大型高铬整锻式或镶套式的合金钢支承辊的订货要求、制造工艺、技术要求、检验规则和试验方法、质量证明书等。
本标准适用于黑色金属和有色金属板带材各类冷、热轧机和中厚板轧机使用的，Cr含量不低于3～5.5%、辊身直径大于或等于φ1000mm的大型高铬整锻式或镶套式的合金钢支承辊（以下简称轧辊）的订货、制造以及检验和验收。