Product Details
Steel 4140 / 4140 round steel BAR / AISI 4140 steel
Aisi 4140 Steel Alloy Steel SAE 1045 4140 4340 8620 8640
hot sale aisi 4140 steel round bar
1.7225/4140 Alloy Steel/SAE 4140 Steel Price for 4140 round bar
aisi 4140 carbon alloy steel round bars
steel 4140 / 4140 properties / aisi 4140
1.Size details
Sizes details |
diameter |
16-310mm |
length |
1-12m(canbe customerized) |
Sizes tolerance |
length |
-0/50mm(max) |
Straightness |
3mm/m(max) |
2.Chemical composition
Standard |
Grade |
C |
Cr |
Mo |
Si |
Mn |
P |
S |
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 |
JIS |
SCM440 |
0.38-0.43 |
0.90-1.20 |
0.15-0.30 |
0.15-0.35 |
0.60-0.90 |
0.03 |
0.03 |
ASTM |
4140 |
0.38-0.43 |
0.80-1.10 |
0.15-0.25 |
0.15-0.35 |
0.75-1.00 |
0.035 |
0.04 |
ENISO |
42CrMo4 |
0.38-0.45 |
0.90-1.20 |
0.15-0.30 |
≤0.40 |
0.60-0.90 |
0.035 |
0.035 |
1.7225 |
3.Mechenical property
Tensile Strength |
Yield Strength |
Elongation |
Reduction |
I mpacting Energy |
HBW |
Rm,MPa |
Rel,MPa |
A,% |
Z,% |
Aku,J |
≤ |
|
|
|
|
|
After annealing |
≥1080 |
≥930 |
≥12 |
≥45 |
≥63 |
217 |
4.Packing:
1): Paint oil on the surface to protect steel bars from rusting.
2): Bundle packing by Iron Strips.
3): Bundle weight is from 2mt to 3 mt.
4): Two or three tags will be attached on each bundle.
5.Quality control
1.Processing Line:
Iron - hot metal pretreatment - Converter - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS) - heat --UT Check - Processing and Distribution Center
Electric Furnace - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS) - heat --UT Check - Processing and Distribution Center
2.Gas content level:O2 - <20 ppm H2 - <2 ppm N2- <100 ppm
3.Grain Sizes:5-8
contact person |
Ms. Phoebe Chen |
Mobile |
86 18963469091 |