280-320 HB Hardness 2CrMo4 Forged steel shafts Hollow bars Forged Hollow Shaft bars
Delivery condition:Forged+Rough Turned+Q/T+Rough Turned
UT,Mechanical Porperty,According EN10083

Forged hollow bars

Grade:42CrMo4+Q/T.

Delivery condition:Forged+Rough Turned+Q/T+Rough Turned;

Size example:

OD.540 mm x ID.278 mm x L.725 mm

Supply range:OD.300-1600 mm,ID.150-1300 mm

Chemical Compostion:

	C	Mn	Si	P	S	Cr	Ni	Mo
42CrMo4+Q/T	0.38/0.45	0.60/0.90	0.15/0.35	≤0.025	≤0.015	0.90/1.20	≤0.25	0.15/0.30
	Al	V	Cu	[H]
	0.020/0.050	≤0.05	≤0.30	≤2ppm

Mechanical Property:

Tensile Strength:Min.720 N/mm2

Yield Point:Min.460 N/mm2

Impact: Min.27 AKV/J

Grain Size:better than 5

Hardness:280-320 HB

UT:Sep1921 Class D/d.