AISI 4130 alloy steel is widely used as a quenching and tempering steel. AISI 4130 round bars has excellent properties,and can be used in the temperature under 427℃.
EN 10025-2 S235J0 I beam /angle/ channel steel belongs to China standard section steel , it has widely uses in engineer project. KUNFENG exports EN 10025-2 S235J0 I beam /angle/ channel steel more than 10,000 ton every month. And our customer from all ove
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