Dia 12-300mm SAE4140 4130 42CrMo4 Hot Rolled Alloy Steel Round Bar Delivery Condition: Annealed
Dia 12-300mm SAE4140 4130 42CrMo4 Hot Rolled Alloy Steel Round Bar Delivery Condition: Annealed
1.Grade: SAE4140 4150 42CrMo4 50CrMo4 A193 B16
2.Dia:12-300mm
3.Length:3-12m
4.Hot rolled
5.MOQ: 3mt per size
6.Chemical Composition
|
Grade |
C |
Si |
Mn |
Cr |
Mo |
Ni |
Cu
|
P |
S |
|
|
4140 |
0.38 0.41 |
0.15 0.35 |
0.85 1.00 |
0.8 1.1 |
0.15 0.25 |
Max 0.25
|
Max 0.35 |
Max 0.015 |
Max 0.040 |
Al (0.012 0.0030) |
|
4150 |
0.48 0.53 |
0.15 0.35 |
0.75 1.00 |
0.80 1.10 |
0.15 0.25 |
Max 0.25
|
Max 0.35
|
Max 0.035
|
Max 0..040
|
V (0.012 0.030) |
7.Mechanical Property
|
Grade |
Tensile Strength (MPa) |
Yield Strength δ5 (%) |
Area Reduction ψ (%) |
Impact Work Akv (J) |
Notched Bar impact Strength αkv (J/cm2) |
Hardness |
Sample Size |
|
4140 |
Min1080 (110) |
Min12 |
Min45 |
Min63 |
Min78(8) |
Max217HB |
25mm |
8.Both end of each bar must be cut.
Ladle furnaced and vacuum de-gassed
Show Heat NO. on each bar
Surface condition: The surface of the hot rolled round/ square bar shall be free cracks, scar and wrinkles at affect the use
of the billets. In case there is the above-mentioned defect.it shall be remove.
The mill test certificate shall show the chemical composition, and it is guaranteed that the chemical composition shall be
within the limit stipulated in the contract.
1. who are we?
We are based in WUXI , China, start from 2014,sell to Domestic Market(70.00%),South America(6.00%),Southeast Asia(5.00%),Africa(5.00%),Mid East(5.00%),North America(00.00%),Eastern Europe(00.00%),Oceania(00.00%),Eastern Asia(00.00%),Western Europe(00.00%),Central America(00.00%),Northern Europe(00.00%),Southern Europe(00.00%),South Asia(00.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Steel Material
4. why should you buy from us not from other suppliers?
We specialized in wear resistant Steel Plate,weather resistant steel plate,alloy steel plate,high strength steel plate,wear resistant composite plate, tank plate, high pressure vessel plate, ship steel plate.
5. what services can we provide?
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