DIN 34CrMo4 Hot Rolled Steel Bar , Modified Alloy Steel Round bar ,
With Peeled &Polished Surface , Dia:10-320mm
1. RELATED SPECIFICATIONS:
| USA | AISI 4130 |
| ASTM A29/A29M-91 4130 |
| SAE 4130 |
| Japan | SCM430/SCM2 |
| Germany | DIN(W-Nr) 34CrMo4(1.7220) |
| Great Britain | / |
| France | NF 30CD4 |
2. TYPICAL CHEMICAL ANALYSIS:
hot rolled round bar DIN 34CrMo4
| Elements | Carbon | Manganese | Silicon | Chromium | Molybdenum | Phosphorus | Sulfur | Cuprum |
| DIN 34CrMo4 | 0.38-0.45 | 0.50-0.80 | 0.17-0.37 | 0.90-1.20 | 0.15-0.25 | 0.035 max | 0.035 max | 0.25 max |
Note: Aboved data is based on GB 42CrMo, Chemical compositions can be adjusted according to your requirements.
3. HEAT TREATMENT CONDITION AND MECHANICAL PROPERTIES:
hot rolled round bar DIN 34CrMo4
| Heat Treatment | Mechanical Properties | Hardness |
| Normalizing | Quenching | Tempering | Tensile
Strength
(Mpa) | Yield Point (Mpa) | Elongation (%) | Reduction of area (%) | Impact Absorbing Energy (J) | Before Heat Treatment (HB) |
| Celsius Degree | MIN | MAX |
| / | 880 | 540 | 930 | 785 | 12 | 50 | 63 | 229 |
4. SIZE RANGE:
Diameter:10-350mm
Length:200-1300mm(cut as your requirement)
5. CERTIFICATE OF QUALITY :
Issued in English , in addition the normal terms, production
process, the mechanical property (yield strength,tensile strength,
elongation and hardness. forged ratio, UT test result,Grain size,
heat treatment methods and the sample of is shown on the
certificate of quality.
6. MARKING :
Heat No. will be cold stamped and steel grade, diameter
(mm)length(mm) and the manufacture Logo and weight(KG) is painted.
7. PACKAGE AND DELIVERY:
Seaworthy package or as your requirments;
10-25 days after confirmed.
