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       By the innovative combination of advanced materials and vast know-how in the cold forging process, Bulten makes heat treatment redundant. Reducing energy consumption by >50% and CO2 emissions with >30%.

 

      Bulten uses cold forging steel owing its properties to a specifically matched combination of temperature-controlled rolling and the additions of micro- alloying elements. Together with carefully calculated deformation hardening, this allows Bulten to make bolts of strength class 800 to 1000 MPa without quenching and tempering after cold forging.

Swedish Bulten

no heat treatment

green product

BUFOe

cold forging steel瑞典

無須熱處理

能源消耗二氧化碳排放降低

冷鍛鋼

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