ASTM A285 Grade A Boiler karfe farantin karfe

Matsayin ASTM A285 shine don ƙarfe na carbon, ƙarancin ƙarfi da matsakaicin ƙarfi na ƙarfe na ƙarfe wanda aka yi niyya don tasoshin matsa lamba mai walda.

Farantin karfe a ƙarƙashin ASTM A285 yana da maki uku, A, B da C, mafi yawan amfani shine ASTM A285 Grade C faranti.
Wanne za a yi ta hanyar kisa, kashe-kashe, madauri ko ƙugiya a aikin ƙarfe a zaɓin masana'anta.

Kauri: 6mm zuwa 300MM,
Nisa: 1500mm zuwa 4050mm,
Tsawon: 3000mm zuwa 15000mm

A285 grade A  Haɗin Kan Kimiyya
Daraja	Mafi Girman Element (%)
	C	Si	Mn	P	S
Babban darajar A285	0.17	0.08-0.45	0.98	0.035	0.035

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

Daraja		A285 darajar A  Mechanical Property
	Kauri	yawa	Tashin hankali	Tsawaitawa
Babban darajar A285	mm	Min Mpa	Mpa	Min %
	6-50	165	310-450	30%
	50-200	165	310-450	27%

Takardun Magana:

ASTM Sandards:

A20 / A20M: Gabaɗayan buƙatun don faranti na ƙarfe don tasoshin matsa lamba.

Gabaɗaya Bukatu da Bayanin oda:

Gwaji da sake gwadawa hanyoyin, hanyoyin, jurewa girma, taro, inganci da lahani na gyarawa, yin alama, lodi da oda bayanai zasu bi A20/A20M.
Ƙarin ƙarin buƙatun asali, akwai wasu ƙarin buƙatun.
Ana cire coils daga A285 har sai an yanke su zuwa faranti.