NM450 abrasion resistance steel plate

NM450 abrasion resistance steel Test:
Low temperature impacting test, Ultrasonic examination, Normalized, Quenched and tempered, Tempered, TMCP and Tempered.

NM450 abrasion resistance steel plate Chemical composition:

Heat No.	Grade	C	Si	Mn	P	S	Ni+Mo+Cr	others	CEQ
S11205894	NM450	0.17	0.31	1.21	0.008	0.002	＜ 1.0	micro	0.41
S21103228	NM450	0.20	0.30	1.28	0.011	0.003	＜ 1.5	micro	0.63

NM450 abrasion resistance steel plate Mechanical Properties:

Standard		Grade	Thick. / mm	Rm / MPa		A50/ %	Impact T/ ℃	KV2 / J	Hardness /HBW
GB/T 24186-2009		NM450	≤80	≥1250		≥7	--20	≥24	420~480
Plate No.	Heat No.	Grade	Thick. / mm	Re / MPa	Rm / MPa	A50/ %	Impact T/ ℃	KV2 / J	Hardness /HBW
Q3108233020	S11205894	NM450	10	1151	1380	13	--20	83/77/77	452
T1711151010	S21103228	NM450	40	1340	1510	12	--20	57/74/58	461

Recommendation of the Bending radius R and Die

Grade	Size/mm	At right angles R/t	Along R/t	At right angles W/t	Along W/t	Springback/°
NM450	＜20	5.0	5.6	10.0	12.0	11~18
NM450	≥20	5.5	6.5	12.0	14.0	11~18

NM450 abrasion resistance steel plate pplication:
With high speed development of technology and modern industry, manufactures are more likely to use NM450 abrasion resistance steel plate so as to reduce the economic lost brought by part wear.