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
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.
Forged Hollow bars
