ASTM A299 GR.B Alloy Pressure mudziyo simbi ndiro

ASTM A299 Giredhi B boiler simbi ndiro ine simba shoma goho pamusoro 325 Mpa, uye tensile simba mukati 550-690 Mpa. Kuenzanisa nekumanikidza mudziyo simbi ndiro A299 Giredhi A, goho simba pamusoro 290 Mpa uye tensile simba mukati 515-655 Mpa, kumanikidza ngarava. simbi ndiro SA299 giredhi B yaive nemhando yepamusoro.Zvimwe zvinodiwa zvehunyanzvi zve boiler simbi ma plates SA299 Grade B senge yakateedzerwa post-weld heat treatment,low tembiricha impcting test, drop weight test uye high tembiricha tension test.Ultrasonice test inofanira kuitwa for SA299 Giredhi B boiler simbi ndiro kana ichikunguruka muchigayo chedu chesimbi.

A299 Grade B Chemical Composition
Giredhi	The Element Max (%)
	C	Si	Mn	P	S	Mo
A299 GR.B	0.28-0.30	0.13-0.45	0.84 -1.62	0.035	0.035	-

Giredhi	A299 Grade B Mechanical Property
	Ukobvu	Yield	Tensile	Elongation
A299 GR.B	mm	Min Mpa	Mpa	Min  %
	t≦50	310-325	550-690	19
	50	310-325	550-690	19

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