P275N Matsin Jirgin Karfe Karfe

EN10028 P275N karfe farantin karfe // sheet, a karkashin EN misali, za mu iya la'akari P275N karfe farantin // takardar ga boilers da kuma matsa lamba Vessels steels. farantin karfe da takarda wanda aka fi amfani da shi don gina tasoshin matsin lamba da tukunyar jirgi da bututu don ruwa mai zafi.

A karkashin ma'auni EN10028_3, karfe farantin karfe P275N zai kasance karkashin Normalized bayarwa yanayin lokacin da aiki.These karfe sa P275NH da P275N yafi amfani a matsa lamba tasoshin da tukunyar jirgi bambanta da sauran carbon_manganese tsarin karfe faranti mallakan zuwa ta high jure matsa lamba a duk yanayin zafi lokacin amfani.

P275N Haɗin Kemikal
Daraja	Mafi Girman Element (%)
	C	Si	Mn	P	S	Al (min)	N
P275N	0.18	0.40	0.5-1.40	0.030	0.025		0.02
	Cr	Ku	Mo	Nb	Ni	Ti	V
	0.30	0.30	0.08	0.005	0.50	0.03	0.05

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

Daraja	P275N  Kayayyakin Injini
	Kauri	yawa	Tashin hankali	Tsawaitawa	Tasirin Makamashi (KV J) min
P275N	mm	Min Mpa	Mpa	Min %	-20°	0°	+20°
	≤ 16	275	390-510	24	40	47	55
	16>zuwa ≤35	275	390-510	24	40	47	55
	35>zuwa ≤50	265	390-510	24	40	47	55
	50>zuwa ≤70	255	390-510	24	40	47	55
	70>zuwa ≤100	235	370-490	23	40	47	55
	100>zuwa ≤150	235	350-470	23	40	47	55