A302 GR.D Boiler uye Pressure Vessel Steel ndiro

Boiler simbi ndiro A302 Grade D imhando yealloy simbi ine Manganese,Molybdenum uye nickel.A302 Grade D ine chepamusoro Nickel element pakukunguruka kupfuura Boiler simbi plate A302 Grade C.Pressure mudziyo simbi ndiro ine kukosha kwakafanana siyana mu mechanical property se A302 Giredhi B uye A302 Giredhi C, goho rinopfuura 345 Mpa, uye tensile simba mukati me550-690 Mpa.Gnee simbi ingada kupa MTC pasi pefomati EN 10204 3.1 kana EN 10204 3.2 nevechitatu ongororo.

Ukobvu: 6MM kusvika 300MM,
Upamhi: 1500mm kusvika 4050mm,
Kureba: 3000mm kusvika 15000mm

A302 Giredhi D Chemical Composition
Carbon, max	%	Manganese, max	%	Silicon, max	%	Sulfur max	%
25mm kana pasi	0.2	Heat Analysis	1.15-1.50	Heat Analysis	0.15-0.40	Zvose zvakakora	0.035
25-50mm	0.23	Product Analysis	1.07-1.62	Product Analysis	0.13-0.45
pamusoro pe50mm	0.25
		Molybdenum max	%	Nickel max	%	Phosphorus	%
		Heat Analysis	0.45-0.60	Heat Analysis	0.70-1.0	Zvose zvakakora	0.035
		Product Analysis	0.41-0.64	Product Analysis	0.67-1.03

Mechanical Property yeA302 Giredhi D ndiro yesimbi	A302 Giredhi D
Kusimba simba, kis [MPa]	80-100 [550-690]
Goho simba, min, kis [MPa]	50 [345]
Elongation mu8 in. [200 mm], min, %	17
Elongation mu2 in. [50 mm], min, %	20

Zveunyanzvi Zvinodiwa & Mamwe Masevhisi:
♦  Muedzo wetension yakanyanya
♦  Muedzo wekushisa wakaderera
♦  Yakajairwa pamahwendefa akakora anopfuura 40mm
♦  Simulated post-welded heat treatment (PWHT)
♦  Kutenderera pasi peNACE MR-0175 (HIC+SSCC)
♦  Yakabudiswa Orginal Mill test certificate pasi pe EN 10204 FORMAT 3.1/3.2
♦  Kupfurwa kwepfuti uye Kupenda, Kucheka nekunama sezvinodiwa nemushandisi wekupedzisira