A302 GR.D Boiler thiab Siab Vessel Steel phaj

Boiler steel phaj A302 Qib D yog ib hom hlau alloy nrog Manganese, Molybdenum thiab npib tsib xee.A302 Qib D muaj cov nickel ntau dua hauv dov tshaj Boiler steel phaj A302 Qib C.Pressure nkoj steel phaj muaj tib tus nqi ntau yam hauv cov cuab yeej cuab tam xws li A302 Qib B thiab A302 Qib C, tawm lub zog siab dua 345 Mpa, thiab lub zog tensile nyob rau hauv 550-690 Mpa.Gnee steel xav muab MTC raws li hom EN 10204 3.1 lossis EN 10204 3.2 nrog kev tshuaj xyuas thib peb.

Thickness: 6mm-300mm,
Dav: 1500mm txog 4050mm,
Ntev: 3000mm txog 15000mm

A302 Qib D tshuaj muaj pes tsawg leeg
Cov pa roj carbon, max	%	Manganese, max	%	Silicon, max	%	Sulfur max	%
25mm los yog qis dua	0.2	Kev Ntsuas Kub	1.15-1.50	Kev Ntsuas Kub	0.15-0.40	Tag nrho cov tuab	0.035
25-50 hli	0.23	Kev tshuaj xyuas khoom	1.07-1.62	Kev tshuaj xyuas khoom	0.13-0.45
tshaj 50mm	0.25
		Molybdenum max	%	Nickel max	%	Phosphorus	%
		Kev Ntsuas Kub	0.45-0.60	Kev Ntsuas Kub	0.70-1.0	Tag nrho cov tuab	0.035
		Kev tshuaj xyuas khoom	0.41-0.64	Kev tshuaj xyuas khoom	0.67-1.03

Mechanical Property ntawm A302 Qib D steel phaj	A302 Qib D
Tensile zog, kis [MPa]	80-100 [550-690]
Yield zog, min, kis [MPa]	50 [345]
Elongation hauv 8 nti [200 mm], min, %	17
Elongation hauv 2 nti [50 mm], min, %	20

Technical Requirements & Additional Services:
♦ Kev kuaj mob siab
♦ Cov ntsuas kub tsis tshua muaj kev cuam tshuam
♦ Normalised rau daim hlau tuab tshaj 40mm
♦ Cimulated tom qab vuam kev kho cua sov (PWHT)
♦ Dov raws li tus qauv NACE MR-0175 (HIC+SSCC)
♦ Muab Daim Ntawv Pov Thawj Ua Ntej Mill Test raws li EN 10204 FORMAT 3.1 / 3.2
♦ Tsov blasting thiab Painting, Txiav thiab vuam raws li ib tus neeg siv kawg xav tau