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SPA-H welded weathering steel sheet for Oil and Gas Client
SPA-H welded weathering steel sheet for Oil and Gas Client
- Comments: Can SPA-H welded weathering steel sheet, 40Cr material be replaced with 40MnB steel? 40MnB steel is used to manufacture small and medium-sized important quenched and tempered parts in tractors, automobiles and other general machinery and equipment, such a
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