ASTM A299 GRB Alloy Pressure chombo zitsulo mbale

ASTM A299 Gulu B chowotcha mbale zitsulo zokhala ndi mphamvu zochepa zokolola pamwamba pa 325 Mpa, ndi mphamvu zamakokedwe mkati mwa 550-690 Mpa. Poyerekeza ndi mbale yachitsulo yachitsulo A299 Gulu A, mphamvu zokolola pamwamba pa 290 Mpa ndi mphamvu zamakokedwe mkati mwa 515-655 Mpa, chotengera chokakamiza zitsulo mbale SA299 kalasi B anali ndi makhalidwe apamwamba.Zofunika zinanso luso pa boiler zitsulo mbale SA299 Gulu B monga yoyerekeza pambuyo kuwotcherera kutentha mankhwala, otsika kutentha impcting mayeso, dontho kulemera ndi mkulu kutentha kukanika test. SA299 giredi B boiler zitsulo mbale pamene akugudubuzika mu mphero wathu zitsulo.

A299 Grade B Chemical Composition
Gulu	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	-

Gulu	A299 Grade B Mechanical Property
	Makulidwe	Zotuluka	Tensile	Elongation
A299 GR.B	mm	Min Mpa	Mpa	Mphindi  %
	t≦50	310-325	550-690	19
	50	310-325	550-690	19

Zofunikira Zaukadaulo & Ntchito Zowonjezera:
♦  Kuyesa kwamphamvu kwambiri
♦  Mayeso okhudza kutentha kochepa
♦ Zokhazikika pama mbale zokhuthala kuposa 40mm
♦  Simulated post-welded heat treatment (PWHT)
♦  Kuyenda pansi pa NACE MR-0175 (HIC+SSCC)
♦  Satifiketi yoyeserera ya Orginal Mill yoperekedwa pansi pa EN 10204 FORMAT 3.1/3.2
♦  Kuwombera ndi Kupenta,Kudula ndi kuwotcherera malinga ndi zofuna za wogwiritsa ntchito