ASTM A871 / A871M kila

ʻO ka ASTM A871 kikoʻī ka kikoʻī maʻamau no nā papa kila haʻahaʻa haʻahaʻa ikaika kiʻekiʻe me ke kūpaʻa corrosion atmospheric i hoʻohana ʻia i nā hale tubular a me nā pou.

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Hoʻolauna huahana ʻIkepili ʻenehana

Hoʻolauna huahana

ʻO ka ASTM A871 kikoʻī ka kikoʻī maʻamau no nā papa kila haʻahaʻa haʻahaʻa ikaika kiʻekiʻe me ke kūpaʻa corrosion atmospheric i hoʻohana ʻia i nā hale tubular a me nā pou. Loaʻa nā papa 60 a me 65 i nā kūlana hāʻawi like-rolled, normalized, a i ʻole quenched a me ka wela e like me ka mea e pono ai e hoʻokō i nā waiwai mechanical i kuhikuhi ʻia.

Nā kikoʻī:
Mānoanoa: 3mm--150mm
Laulā: 30mm--4000mm
Ka lōʻihi: 1000mm--12000mm
Kūlana: ASTM EN10025 JIS GB

ʻIkepili ʻenehana

Hiki ke hāʻawi ʻia ʻo A871 Grade 65 e like me ka ʻōwili, maʻamau a i ʻole ke kinai ʻia a me ka hoʻonā.

A871-65 Loaʻa
	KA MANAWALEA	KA LAWE	LOA
A871-65	3/16" – 1 1/4"	48" – 120"	96" – 650"

ʻO ASTM A871 Papa 65 Hui Kemika

A871-65 Huina kila
	A871-65
Kalapona	0.17-0.2%
Manganese	0.5-1.35%
Phosphorus	0.03%
Sulfur	0.03%
Silika	0.15-0.65%
Nikela	0.4-0.5%
Chromium	0.4-0.7%
Molybdenum	0-0.1%
keleawe	0.20-0.50%
Vanadium	0.01-0.1%
Kolumbium	0-0.05%

A871 Papa 60 Huina kemika % o ka hōkeo Huahana o ka papa

A871 Papa 60 Ka Hui Kemika mai ke ʻanoI
Papa	A871 Papa 60 Ka Element Max (%)
Papa	C	ʻO Mn	P	S	ʻO Si	Ni	Cr	Mo
A871 Papa 60	0.19	0.80-1.35	0.04	0.05	0.30-0.65	0.40	0.40-0.70	--
	Cu	V	Nb
	0.25-0.40	0.02-0.10	---

A871 Papa 60 Waiwai Mechanical

Papa	Ka ikaika hua(Mpa)Min	ikaika uʻi (Mpa)Min
A871 Papa 60	415	520
	elongation(200mm)Min	elongation(50mm)Min
	16%	18%

1.       A871 Papa 60 Hoʻouna manawa a alakaʻi manawa: 15-30days
2.       A871 Papa 60 Hana Keu: Hoʻomaʻamaʻa mua (Pā ʻana i ke ahi, Pā ʻana o ke one, pena a me nā mea hao), ʻoki ʻana i nā ʻāpana, lawelawe laʻana, nānā ʻekolu ʻaoʻao, hōʻike UT a me ka nānā nui.
3.       Inā loaʻa iā ʻoe kekahi koi ma ka pā kila no A871 Grade 60, inā ʻo ka pā hou a i ʻole ka papa inoa o nā mea waiwai, e ʻoluʻolu e kelepona mai iā mākou ma ka leka uila o ke kelepona ʻana.
4.       Inā he nīnau kāu ma kā mākou pākaukau a lawelawe paha. E ʻoluʻolu e kelepona i kā mākou keʻena lawelawe ma hope o ka loaʻa ʻana o ka pane wikiwiki.

Paʻa kila haʻahaʻa (HSLA) ikaika kiʻekiʻe:

Papa	C %	Mn %	P %	S %	Si %	Cu %
A871 Gr65	≤0.20	0.75-1.35	≤0.04	≤0.05	0.15-0.50	0.2-0.40
	Cr %	N %	V %	Ni %	B %	-
	0.4-0.70	–	0.01-0.10	≤0.50	–	-

Nā Pono Mechanical o ka papa a871 grade 65:

Papa	Mānoanoa (mm)	ʻO ka liʻiliʻi (Mpa)	Uku (MPa)	Elongation (%)	Min Impact Energy
A871 Gr65	≤12mm	Min 450Mpa	Min550Mpa	17	-18℃	20J
A871 Gr65	＞12mm	Min 450Mpa	Min 550Mpa	17	-29℃	20J