EN39 S235GT na Q235 bụ akara nchara abụọ ejiri maka ebumnuche owuwu.
EN39 S235GT bụ ọkwa nchara nke Europe nke na-ezo aka na kemịkalụ na akụrụngwa nke igwe. Ọ nwere Max. 0.2% carbon, 1.40% manganese, 0.040% phosphorus, 0.045% sọlfọ, na ihe na-erughị 0.020% Al. Ike tensile kacha nke EN39 S235GT bụ 340-520 MPa.
N'aka nke ọzọ, Q235 bụ ọkwa nchara nke China. Ọ bụ EN ọkọlọtọ S235JR ígwè ọkwa nke a na-ejikarị na Europe. Q235 ígwè nwere carbon ọdịnaya nke 0.14%-0.22%, manganese ọdịnaya nke na-erughị 1.4%, a phosphorus ọdịnaya nke 0.035%, a sọlfọ ọdịnaya nke 0.04%, na silicon ọdịnaya nke 0.12%. Ike tensile kacha nke Q235 bụ 370-500 MPa.
Na nchịkọta, EN39 S235GT na Q235 nwere ihe mejupụtara kemịkalụ yiri nke ahụ mana ihe eji arụ ọrụ dịtụ iche. Nhọrọ n'etiti abụọ ahụ dabere na ngwa ngwa na ihe achọrọ nke ọrụ ahụ.
Oge nzipu: Mar-29-2023