250A58進口歐洲彈簧鋼東莞明富現(xiàn)貨銷售

250A58彈簧鋼進口原裝料明富鋼材專業(yè)供應

優(yōu)質彈簧鋼250A58歐盟牌號規(guī)格齊全全國直銷

明富鋼材優(yōu)質銷售---250A58彈簧鋼C. Si. Mn. S. P.

明富鋼材優(yōu)質銷售---250A58彈簧鋼0.58% 1.75% 0.75% 0.05% 0.05%

明富鋼材優(yōu)質銷售---250A58彈簧鋼250A58 is a silicon mangenese spring steel, commonly supplied in the as rolled contition. As a spring steel grade 250A58 is suitable for oil hardening and tempering