Tuam Tshoj txias dov steel kauj DC01 DC03 DC04 DC06 Chaw tsim tshuaj paus thiab tsum | Ruiyi

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DC03 - Qib no tsim nyog rau kev tsim cov kev xav tau xws li kev kos duab sib sib zog nqus thiab cov ntaub ntawv nyuaj tsim nyog. dc04 ua - Qhov zoo no haum rau kev xav tau siab deformation. ... DC06 - Qhov tshwj xeeb sib sib zog nqus kos duab zoo yog tsim nyog rau qhov kev xav tau siab tshaj plaws deformation.

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Nrog rau kev kos duab zoo heev thiab vuam kev ua tau zoo thiab qhov tseeb qhov tseeb, cov ntaub qhwv cov pa roj carbon tsawg thiab ultra-low carbon steel daim hlau muab los ntawm Mittel tau siv dav rau kev tsim khoom ntawm ntau yam tsheb. Nrog qee qhov ductility, DC04 (St14, St15) cov pa roj carbon tsawg thiab cov pa roj carbon tsawg tsawg yog tsim nyog rau kev sib sau yooj yim, khoov lossis vuam.

DC04 (St14, St15) qis carbon thiab ultra-low carbon automotive steel mechanical thiab txheej txheem kev ua haujlwm:

Qib steel	Yield zog MPa	Tensile zog Mpa ≥	Tom qab tawg Percent Elongation (L0 = 80mm, b = 20mm)% ≥				r ib, c ≥	nb ,c ≥
			Nominal Thickness hli
			<0.70	0.70 ~ 1.0	1.0 ~ <; 1.6	≥1.6
DC04 (St 14, St 15)	120-210 : kuv	270	36	38	39	40	1.5	0.18

ib tug noj RP0.2 nyob rau hauv cov ntaub ntawv ntawm indistinct tawm los, txwv tsis pub ReL.
c r=(r90+2r45+r0)/4; n= (n90+2n45+n0)/4.

DC04 (St14, St15) qis carbon thiab ultra-low carbon tsheb hlau daim hlau qhov ntau thiab tsawg:
Nominal thickness: 0.30mm ~ 0.35mm, nominal dav: 700mm ~ 1850mm.

DC04 (St14, St15) qis carbon thiab ultra-low carbon tsheb hlau tensile hom cim:

Nws tau lees paub tias tsis muaj lub zog tensile lub cim tshwm sim ntawm cov hlau phaj thiab strips ntawm lawv daim ntawv thov nyob rau hauv 6 lub hlis tom qab lawv tsim thiab nyob rau hauv cov ntaub ntawv ntawm chav tsev kub cia.

DC04 (St14, St15) qis carbon thiab ultra-low carbon automotive steel nto zoo:

Qib	Code No.	Nta
High-qib finishing nto	FB (O3)	Nws raug tso cai rau qhov muaj ob peb qhov tsis xws luag uas yuav tsis cuam tshuam rau kev tsim thiab txheej & plating adhesiveness xws li khawb me me, kev xav, lub qhov, yob cim thiab oxidation tint.
High-qib finishing nto	FC (O4)	Ib sab ntawm cov khoom zoo yog pub dawb los ntawm ib qho kev tsis txaus ntseeg pom thiab lwm sab yuav tsum ncav cuag FB yam tsawg kawg nkaus.
Ultra high-qib finishing nto	FD (O5)	Ib sab ntawm cov khoom zoo yog tsis muaj qhov tsis xws luag, uas yog qhov zoo nkauj tom qab pleev xim lossis electro galvanizing tsis muaj kev cuam tshuam, thiab lwm sab yuav tsum ncav cuag FB yam tsawg kawg nkaus.