80級焊接D型環(huán)
*起重吊環(huán)所采用的高強(qiáng)度高韌性特殊合金鋼鍛造而成均經(jīng)過調(diào)質(zhì)熱處理
*Forged super ailoy steel-Quenched Tempered
*抽驗以額載的1.5倍進(jìn)行20000次疲勞試驗測試
*Lnddividually proof test at 2.5 times Working Load Limit
*逐件按照工作拉力的2.5倍進(jìn)行靜載驗證測試
*Fatiuge tested at 1.5 times Working Load Limit For 20000 cycies
*每一批產(chǎn)品進(jìn)行嚴(yán)格的抽樣破斷測試以及磁粉探傷
*Breakage test magnaflux crack detection
*底座內(nèi)置定位彈簧，更方便控制D型環(huán)的任意角度
*With sping inside forbetter pivoting control
