ASTM A299 GR.B Alloy Pressure ipu kila pā

ʻO ka ASTM A299 Grade B boiler steel plate me ka liʻiliʻi loa o ka ikaika ma luna o 325 Mpa, a me ka ikaika tensile i loko o 550-690 Mpa. ʻO ka pā kila SA299 Grade B nona nā waiwai kiʻekiʻe. ʻO nā koi ʻenehana hou no nā pā hao paila SA299 Grade B e like me ka simulated post-weld heat treatment, haʻahaʻa haʻahaʻa impcting ho'āʻo, hāʻule kaumaha ho'āʻo a me ke kiʻekiʻe wela ho'āʻo ho'āʻo. SA299 Grade B boiler pā kila i ka wā e ʻōwili ai i kā mākou wili kila.

A299 Papa B Kemeka Hui
Papa	ʻO ka Element Max (%)
	C	ʻO Si	ʻO Mn	P	S	Mo
A299 GR.B	0.28-0.30	0.13-0.45	0.84 -1.62	0.035	0.035	-

Papa	A299 Papa B Waiwai Mekanika
	mānoanoa	Hāʻawi	Kuʻi	ʻO ka lōʻihi
A299 GR.B	mm	Min Mpa	Mpa	Min  %
	t≦50	310-325	550-690	19
	50	310-325	550-690	19

Koi ʻenehana a me nā lawelawe hou aku:
♦  Hoʻāʻo hoʻopaʻapaʻa kiʻekiʻe
♦  E hoʻāʻo e pili ana i ka wela haʻahaʻa
♦  Hoʻohana maʻamau no nā papa mānoanoa ma luna o 40mm
♦  Hoʻomaʻamaʻa ʻia me ka wela ma hope o ka welo ʻana (PWHT)
♦  Ke holo nei ma lalo o NACE MR-0175 (HIC+SSCC)
♦  Ua hoʻopuka ʻia ka palapala hōʻike hoʻāʻo ʻo Oginal Mill ma lalo o EN 10204 FORMAT 3.1/3.2
♦  Paʻi ʻana a me ka pena, ʻoki ʻana a me ka wiliwili e like me nā koi o ka mea hoʻohana hope.