Product Details

Product Description
By adopting the process including high quality hot iron +scrap melting,LF+RH refining ,precise chemical composition controlling ,serious control and nature transforming of inclusion ,bridge steel made by our company has stable and excellent comprehensive properties,such as high strength,high toughness ,low yield strength ratio ,high lamellar tearing resistance and easy welding,capable of meeting the quality requirement of large highway and railway bridges.

Typical Steel Grades/Specifications

Grades	Specifications	Size Range(width:mm)	Delivery Condition
NM360	GB/T 24186	≤120	Q,Q+T
NM400		≤120
NM450		≤120
NM500 AR500		≤80
XCHD400		≤80
XCHD450		≤50
XCHD500		≤50

wear resistant steel Chemical Composition

Grade	Chemical Composition(wt%)
	C	Si	Mn	P	S	Al	Cr+Ni+Mo
NM360	0.10-0.30	0.20-0.40	1.0-2.0	≤0.015	≤0.003	≥0.020	<0.6
NM400	0.10-0.30	0.20-0.40	1.0-2.0	≤0.015	≤0.003	≥0.020	<0.9
NM450	0.10-0.40	0.20-0.40	1.0-2.0	≤0.015	≤0.003	≥0.020	<1.2
NM500	0.10-0.40	0.20-0.45	1.0-2.0	≤0.015	≤0.003	≥0.020	<1.5
XCHD400	0.10-0.30	0.20-0.40	1.0-2.0	≤0.015	≤0.003	≥0.020	<0.6
XCHD450	0.10-0.40	0.20-0.40	1.0-2.0	≤0.015	≤0.003	≥0.020	<0.9
XCHD500	0.10-0.40	0.20-0.45	1.0-2.0	≤0.015	≤0.003	≥0.020	<1.5

wear resistant steel Mechanical Properties

Grades	Size	Rel/ReH/Rp0.2,MPa	Rm,MPa	A50,%	AKV,ºC	AKV,J			HBW
NM360	20	1061	1313	17	20	169	164	162	398
NM400	100	1233	1377	15	-20	35	37	42	415
NM450	60	1345	1434	9.5	-20	72	59	58	445
NM500	50	1608	1706	10.5	-40	43	50	45	485
XCHD400	35	1125	1261	17.5	-40	52	45	40	393
XCHD450	30	1281	1400	10.5	-40	45	48	52	448
XCHD500	6	1465	1529	13.5	-40	24	24	22	495