ASTM A285 Grade A Boiler pā kila

ʻO ka maʻamau ʻo ASTM A285 no ke kila kalapona, haʻahaʻa haʻahaʻa a me waena o nā pā kila ikaika i manaʻo ʻia no nā moku kaomi fusion-welded.

ʻO ka pā kila ma lalo o ka ASTM A285 nā papa i ʻekolu mau papa, A, B a me C, ʻo ka hoʻohana maʻamau ʻo ASTM A285 Grade C nā papa.
E hana ʻia ia e nā hana kila pepehi ʻia, semi-pepehi ʻia, uhi ʻia a i ʻole i hoʻopaʻa ʻia ma ke koho a ka mea hana.

Mānoanoa: 6MM a 300MM,
Laulā: 1500mm a 4050mm,
Ka lōʻihi: 3000mm a 15000mm

A285 papa A Kemeka Hui
Papa	ʻO ka Element Max (%)
	C	ʻO Si	ʻO Mn	P	S
A285 papa A	0.17	0.08-0.45	0.98	0.035	0.035

Kaulike Kalapona: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%

Papa		A285 māka A Mechanical Property
	mānoanoa	Hāʻawi	Kuʻi	ʻO ka lōʻihi
A285 papa A	mm	Min Mpa	Mpa	Min %
	6-50	165	310-450	30%
	50-200	165	310-450	27%

Nā palapala i kuhikuhi ʻia:

ASTM Sandards:

A20/A20M: Nā koi maʻamau no nā pā kila no nā moku kaomi.

Nā Koina Nui a me ka ʻike kauoha:

ʻO nā ʻano hoʻāʻo a me ka hoʻāʻo hou ʻana, nā kaʻina hana, ka hoʻomanawanui ʻana, ka nui, ka maikaʻi a me ka hoʻoponopono ʻana i nā hemahema, ka hōʻailona ʻana, ka hoʻouka ʻana a me ke kauoha ʻana i ka ʻike e hoʻokō me A20/A20M.
Ma waho aʻe o nā koi kumu, loaʻa kekahi mau koi hoʻohui.
Hoʻokuʻu ʻia nā wili mai A285 a hiki i ka ʻoki ʻia ʻana i ka pā.