久久婷婷国产色一区二区三区,欧美国产午夜色爽爽,欧美成人亚洲综合在线,影音先锋国内自拍资源啪啪,哈哈操电影在线观看,91精品国产自产永久观看在线,一区二区三区四区五区午夜福利,一区二区三区看美女视频,国产精品成人一区二区

Home AboutUs Exhibition
Info
News
Center
Exhibitor
Manual
Cost of
Participation
Floor
Plan
Exhibition
Retrospect
Media
Support
Contact Chinese
 News Type
Exhibition News
Industry News
Company News
Media reports
 New Detail
     
Chinese steel mills implement new national standard for rebars- The 20th China (Guangzhou) Int’l Plate metal, Bar, wire, Metal Processing &Setting Equipment Exhibition
11/7/2018  金屬板材展-棒材-線材展 -plate metal expo-wire expo
---------------------------------------------------------------------------------------------------------------
    China related ministries and commissions formulated new national standard for rebar and the steel mills were proceeding the new one since November 1st, 2018. The old standard GB/T 1499.2-2007 will be replaced by GB/T 1499.2-2018. 

The new standard cancelled grade 335MPa and increased 600Mpa grade, also added "–E" for earthquake resistance grade. 

The new tolerance of fix length should not exceed 0-50mm, the bending per meter was not more than 0.4%, and the new weight tolerance of rebar diameter 6-12mm was adjusted to +/- 6.0%. 

In addition, the rebar surface should be marked with the grade number, the serial number of the manufacturer and the nominal diameter. 金屬板材展-線材展-金屬加工展-2019第二十屆廣州國際金屬板材展全球三大金屬展之一巨浪展覽 -- The 20th China (Guangzhou) Int’l Plate metal, Bar, wire, Metal Processing &Setting Equipment Exhibition Plate metal exhibition, Plate metal expo,2019 Plate metal exhibition,2019 Plate metal expo, Bar exhibition, Bar expo,2019 Bar exhibition,2019 Bar expo, China Bar exhibition, China Bar expo, wire exhibition, wire expo,2019 wire exhibition,2019 wire expo, Metal Processing exhibition, Metal Processing expo,2019 Metal Processing exhibition,2019 Metal Processing expo, China Metal Processing exhibition, China Metal Processing expo.
Copyright © 1996-2025  JULANG.COM.CN Stone Rich Sight. All Rights Reserved
Add:Room 3A05-3A06,Building A1,Xinghui Park,Huaming Road 29,Pearl River New City,Guangzhou,510623,China