Tshuaj muaj pes tsawg leeg ntawm 10B21 txias taub hau steel qws, C (carbon): 0.18 ~ 0.23; Si (Silicon): Tsawg dua lossis sib npaug rau 0.10; Mn (manganese): 0.70 ~ 1.00; P (P): Tsawg dua lossis sib npaug rau {{20}}.030; S (sulfur): Tsawg dua lossis sib npaug rau 0.{{30}}35; B (boron): Ntau dua lossis sib npaug ntawm 0.0005.Cold heading steel, zoo plasticity, lub zog tsis dhau siab, cov nyhuv kho cua sov yog pom tseeb. Kev ua tau zoo dua 20 steel, feem ntau yog siv rau kev ua cov fasteners lossis lwm yam khoom siv.SWRCH35K tshuaj muaj pes tsawg leeg C: 0.32 ~ 0.38Mn: 0.60 ~ 0.90Si: Tsawg dua lossis sib npaug rau 0.35S: Tsawg dua lossis sib npaug rau 0.035P: Tsawg dua tshaj los yog sib npaug ntawm 0.030 .Kev siv cov hlau yas ua molding nyob rau hauv chav tsev kub, lub koom haum sab hauv ntawm cov khoom yog nruj, cov neeg kho tshuab zog ntawm cov khoom yog zoo, cov txheej txheem cov khoom poob yog tsawg, ntau lawm efficiency siab, lub zog. noj tsawg, cov khoom muaj siab precision thiab zoo nto tiav, thiab yog dav siv nyob rau hauv lub tsim ntawm bolts, ceev thiab screws, raws li zoo raws li nyob rau hauv kev tsim khoom ntawm qhov chaw rau tsheb kauj vab, tsheb, mechanical khoom, hluav taws xob khoom, aviation khoom. , koob yees duab, kev tsim kho thiab lwm yam kev lag luam.
Cov ntaub ntawv txuas ntxiv:
Steel qauv yog ib qho qauv tsim los ntawm cov ntaub ntawv steel thiab yog ib qho ntawm cov qauv hauv tsev loj. Cov qauv no tsuas yog tsim los ntawm cov kab hlau, steel kab, steel trusses thiab lwm yam khoom ua los ntawm cov hlau thiab steel phaj, thiab siv silanization, ntshiab manganese phosphating, ntxuav thiab ziab, galvanizing thiab lwm yam txheej txheem tiv thaiv xeb. Cov khoom lossis cov khoom siv feem ntau yog txuas nrog welds, bolts lossis rivets.
