4140,42CrMo4,42CrMo,SCM440 cold drawn bar, cold finished bar, Dia:
2-100mm
Application
Cold Drawn steel round bar are widely used in machinery making,
autombile making, railway, mine machinery, petoleum machinry,
agricultural machinery and civil archtectue such as all kinds of
shafts, screws, connecting rods, hardware tools, gears, standard
parts, spanners fasteners, structural parts for automobile and
agricultural machinery, outer and iner sleeves, rollers and balls
for bearing making.
Chemical composition:
| Standard | Grade |
C |
Cr |
Mo |
Si |
Mn | P | S | Ni | Cu |
| ≤ |
| GB | 42CrMo | 0.38-0.45 | 0.90-1.20 | 0.15-0.25 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 | 0.30 | 0.30 |
| JIS | SCM440 | 0.38-0.43 | 0.90-1.20 | 0.15-0.30 | 0.15-0.35 | 0.60-0.90 | 0.030 | 0.030 | 0.25 | 0.30 |
| ASTM | 4140 | 0.38-0.43 | 0.80-1.10 | 0.15-0.25 | 0.15-0.35 | 0.75-1.00 | 0.035 | 0.040 | / | / |
| ENISO | 42CrMo4/1.7225 | 0.38-0.45 | 0.90-1.20 | 0.15-0.30 | ≤0.40 | 0.60-0.90 | 0.035 | 0.035 | / | / |
Size range:
Dia: 2-100mm
Length Random Length, Fixed Length, etc.
The tolerance:
Black, Peeled K12, Cold Drawn, Turned & Polished H10, H11,
Precision Ground H9, H8
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.
Packing: Plastic reel shaft, and bound, iron wire frame, the paper barrel
etc
Please feel free to contact us again if you have any further
questions. We look forward to receiving an order from you.
