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black stainless steel round bar
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6-500mm Đen thép không gỉ thanh tròn Vật liệu thô với thang oxit tối
Black Stainless Steel Round Bar What is Stainless Steel Black Round Bar? Stainless steel black bar is a hot-rolled round bar that has not undergone any surface finishing treatment. It retains the dark oxide scale (black or dark gray) formed during the hot rolling process. Black bars are the raw material for producing bright bars and are characterized by a rough, non-reflective surface and relatively loose dimensional tolerances. Why Choose Stainless Steel Black Bar? Black
