ASTM A299 GR.B Alloy Pressure jirgin ruwa farantin karfe

ASTM A299 Grade B tukunyar jirgi farantin karfe tare da mafi ƙarancin yawan amfanin ƙasa sama da 325 Mpa, da ƙarfi mai ƙarfi tsakanin 550-690 Mpa. karfe farantin SA299 Grade B mallaki mafi girma values.Ƙarin fasaha bukatun ga tukunyar jirgi karfe faranti SA299 Grade B kamar kwaikwayi post-weld zafi magani, low zazzabi impcting gwajin, sauke nauyi gwajin da high zafin jiki tashin hankali test.Ultrasonice gwajin da za a yi domin SA299 Grade B tukunyar jirgi farantin karfe lokacin mirgina a cikin injin mu na karfe.

A299 Darajin B Haɗin Kemikal
Daraja	Mafi Girman Element (%)
	C	Si	Mn	P	S	Mo
A299 G.B	0.28-0.30	0.13-0.45	0.84 -1.62	0.035	0.035	-

Daraja	A299 Matsayin Kayan Injini na B
	Kauri	yawa	Tashin hankali	Tsawaitawa
A299 G.B	mm	Min Mpa	Mpa	Min %
	t≦50	310-325	550-690	19
	50	310-325	550-690	19

Bukatun Fasaha & Ƙarin Sabis:
♦   Gwajin tashin hankali
♦   Gwajin tasirin ƙarancin zafin jiki
♦ An daidaita don faranti masu kauri sama da 40mm
♦  Simulated bayan-welded maganin zafi (PWHT)
Mirgina a ƙarƙashin daidaitaccen NACE MR-0175 (HIC+SSCC)
 An ba da takardar shaidar gwaji ta Orginal Mill a ƙarƙashin EN 10204 FORMAT 3.1/3.2
♦   Harbin fashewa da fenti, Yanke da walda kamar yadda buƙatun mai amfani