P275N Ipa Irin Awo

EN10028 P275N irin awo / dì, labẹ EN boṣewa, a le ṣe akiyesi P275N irin awo / dì fun awọn igbomikana ati awọn irin-irin irin-irin. irin awo ati dì eyi ti o wa ni o kun lo fun ile titẹ èlò ati boilers ati oniho fun gbona omi bibajẹ.

Labẹ awọn boṣewa EN10028_3, irin awo P275N yio si wa labẹ Normalized ifijiṣẹ majemu nigba processing.These irin ite P275NH ati P275N o kun lo ninu titẹ èlò ati boilers yato lati miiran carbon_manganese igbekale irin farahan nini si awọn oniwe-ga resistance si titẹ ni gbogbo awọn iwọn otutu nigba lilo.

P275N Iṣọkan Kemikali
Ipele	Ohun ti o pọju (%)
	C	Si	Mn	P	S	Al(min)	N
P275N	0.18	0.40	0.5-1.40	0.030	0.025		0.02
	Kr	Ku	Mo	Nb	Ni	Ti	V
	0.30	0.30	0.08	0.005	0.50	0.03	0.05

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

Ipele	P275N  Ohun-ini Mekaniki
	Sisanra	So eso	Fifẹ	Ilọsiwaju	Agbara Ipa (KV J) min
P275N	mm	Min Mpa	Mpa	Min %	-20°	0°	+20°
	≤ 16	275	390-510	24	40	47	55
	16> si ≤35	275	390-510	24	40	47	55
	35> si ≤50	265	390-510	24	40	47	55
	50> si ≤70	255	390-510	24	40	47	55
	70> si ≤100	235	370-490	23	40	47	55
	100> si ≤150	235	350-470	23	40	47	55