Welcome toChinese Net management
Add to Favorites | Chinese
Rolled steel steel grade perhaps says rolled steel material distinguishs charact
From;    Author:Stand originally

Steel grade 4 kinds
Reinforcing steel bar of I class HPB235(Q235) , standard intensity 235 N/mm2
Ⅱ class HRB335(20MnSi) 335
Ⅲ HRB400(20MNSiV) 400
Ⅳ RRB400(20MnSi) 400


Classify integratedly: (A of 1) common steel. Steel of carbolic element structure: (A) Q195; (B) Q215(A, B) ; (C) Q235(A, B, C) ; (D) Q255(A, B) ; (E) Q275. B. C of steel of low alloy structure. The common structure steel of specific utility
(2) fine steel (include advanced fine steel)A. Structural steel: (Steel of structure of element of A) high grade carbon; (Steel of B) alloy structure; (C) spring steel; (D) cuts steel easily; (E) bearing steel;
(F) specific utility is high grade structural steel. B. Tool steel: (Steel of tool of A) carbon element; (B) adds up to golden tool steel; (Steel of tool of C) high speed. C. Special function steel: (A) does not become rusty acid-proof steel; (B) refractory steel;
(Alloy steel of C) electric heat; (D) electrician uses steel; (Steel of wear-resisting of E) tall manganese