ASTM A285 ASTM A283 Hlau Phaj

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ASTM A285 yog ib hom zoo tib yam carbon steel npaj rau fusion-welded siab hlab ntsha equipments li boiler, cia tank, tshav kub exchangers, thiab lwm yam. Nrog 3 qib steel (Qib A, Qib B, Qib C) npog tensile zog ntau yam ntawm 310-515Mpa , feem ntau ASTM A285 steel phaj yog xa raws li-dov mob.ua los ntawm kev tua, semi-tua, capped lossis rimmed steel kev coj ua raws li cov neeg siv khoom kawg.

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ASTM A283 yog tsim los ua ib hom carbon steel phaj rau lub hom phiaj dav dav, cov hlau no muaj lub zog tensile qis thiab nruab nrab, nws muaj 2 qib steel (Qib C, Qib D).Rau steel phaj ua los ntawm coils los yog tsis muaj kev kho cua sov, yuav tsum tau kuaj ntxiv rau nws txoj kev ntxhov siab, feem ntau tom qab steel coil yog decoiled, tshuaj xyuas, conditining, kev kho cua sov yuav tsum tau ua ntej xa.ASTM A283 tsuas yog siv rau lub hom phiaj ntawm cov qauv, thaum ASME SA283 / SA283M steel phaj kuj tseem siv tau rau hauv boiler thiab siab nkoj tsim khoom.

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ASTM A285 STEEL Plate Chemical Composition

ASTM A285 Tshuaj muaj pes tsawg leeg	Qib A	Qib B	Qib C
Cov pa roj carbon, max	0.17 ib	0.22	0.28 ib
Manganese, max	0.9	0.9	0.9
Phosphorus, max	0.035 ib	0.035 ib	0.035 ib
Sulphur, max	0.035 ib	0.035 ib	0.035 ib

ASTM A283 Cov Khoom Siv Tshuaj (max)	Kev ntsuas kub,%
ASTM A283 Cov Khoom Siv Tshuaj (max)	Qib C	Qib D
Cov pa roj carbon	0.24 ib	0.27 ib
Manganese	0.9	0.9
Phosphorus	0.03 ib	0.3
Sulfur	0.03 ib	0.03 ib
Silicon	/	/
Phaj 11⁄2 nyob rau hauv. [40 mm] thiab hauv qab, max	0.4	0.4
Phaj tshaj 11⁄2 nti [40 mm]	0.15-0.40 Nws	0.15-0.40 Nws
Tooj	0.2	0.2

ASTM A283 thiab ASTM A285 Mechanical Properties

Mechanical Property sib piv ntawm ASTM A283 thiab ASTM A285
Qib Steel	Tensile zog, min Ksi Mpa	Yield zog min Ksi Mpa	Elongation hauv 2 ntiv tes
Qib Steel	Tensile zog, min Ksi Mpa	Yield zog min Ksi Mpa	(50 hli)% min.
ASTM A-36 / A-36 M	58-80 (400-550)	36 (250) hnub	23
ASTM A-283 / A-283 M gr A	45-60 (310-415) ib.	24 (165) hnub	30
ASTM A-283 / A-283 M gr B	50-65 (345-450)	27 (215) hnub	28
ASTM A-283 / A-283 Mg C	55-75 (380-515)	30 (205) hnub	25
ASTM A-283 / A-283 Mg D	60-80 (415-550)	33 (230) hnub	23
ASTM A-285 / A-285 M gr A	45-65 (310-450)	24 (165) hnub	30
ASTM A-285 / A-285 M gr B	50-70 (345-485) Cov.	27 (215) hnub	28
ASTM A-285 / A-285 Mg C	55-75 (380-515)	30 (205) hnub	27