ASTM A299 GR.B Alloy Ipa ha irin awo

ASTM A299 Grade B igbomikana irin awo pẹlu kere ikore agbara loke 325 Mpa, ati fifẹ agbara laarin 550-690 Mpa.Comparing pẹlu titẹ ha irin awo A299 ite A, ikore agbara loke 290 Mpa ati fifẹ agbara laarin 515-655 Mpa, titẹ ọkọ oju omi irin awo SA299 Ite B ini kan ti o ga values.Additional imọ awọn ibeere fun igbomikana irin farahan SA299 ite B gẹgẹ bi awọn simulated post-weld ooru itọju, kekere otutu impcting igbeyewo, ju àdánù igbeyewo ati ki o ga otutu ẹdọfu test.Ultrasonice igbeyewo ni lati ṣee ṣe fun SA299 ite B igbomikana irin awo nigba yiyi ninu wa irin ọlọ.

A299 Ipele B Idasilẹ Kemikali
Ipele	Ohun ti o pọju (%)
	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	-

Ipele	A299 Ite B Ohun-ini Mekanical
	Sisanra	So eso	Fifẹ	Ilọsiwaju
A299 GR.B	mm	Min Mpa	Mpa	Min %
	t≦50	310-325	550-690	19
	50	310-325	550-690	19

Awọn ibeere Imọ-ẹrọ & Awọn iṣẹ afikun:
♦   Idanwo ẹdọfu giga
♦  Ayẹwo ipa iwọn otutu kekere
♦  Ti ṣe deede fun awọn awo ti o nipọn ju 40mm lọ
♦  Ìtọ́jú ooru tí a ṣe lẹ́yìn-welded (PWHT)
♦ Yiyi labẹ boṣewa NACE MR-0175 (HIC+SSCC)
Iwe-ẹri idanwo Orginal Mill labẹ EN 10204 FORMAT 3.1/3.2
♦  Funmi ibọn ati Kikun, gige ati alurinmorin gẹgẹbi awọn ibeere olumulo ipari