DIN EN 40Mn4 Structural Steel Flat Bar W-Nr 1.1157 Bar
Description
DIN EN 40Mn4 Structural Steel Flat Bar W-Nr 1.1157 Bar is a high-quality carbon structural steel that can be used in normalized conditions or in quenched and tempered conditions. The cutting performance is good, the plasticity during cold deformation is medium, and the welding performance is poor.
All of DIN EN 40Mn4 Structural Steel Flat Bar W-Nr 1.1157 Bar conform to Military standard, nuclear power. 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.
- Material:Metal, Structural Steel Flat Bar, DIN EN 40Mn4
- Shape: Structural Steel
- Round bar / Wire rod (Diameter): 5.5mm to 800mm
- Square bar / Flat bar: 3mm to 800mm
- Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
- Length: Fixed length or random length or based on the customer's special requirement.
Products Details
DIN EN 40Mn4 Structural Steel Flat Bar W-Nr 1.1157 Bar
| Chemical Composition (weight%): | Mechanical Properties Under Final Heat Treatment: |
| C (％): 0.36 ~ 0.44
Si (％): 0.25 ~ 0.50
Mn (％): 0.80 ~ 1.10
P (％)≤: 0.035
S (％)≤: 0.035 | Steel dimension /mm: ≤16
|σb≥/MPa: 880～1080
|σs≥/MPa: 635
|δ5≥/(%): 12
|ψ≥/(%): 40
|AKV≥/J: 34 |
Steel dimension /mm: 17 - 40
|σb≥/MPa: 780～930
|σs≥/MPa: 540
|δ5≥/(%): 14
|ψ≥/(%): 45
|AKV≥/J: 41 |
Steel dimension /mm: 41 - 100
|σb≥/MPa: 690～830
|σs≥/MPa: 440
|δ5≥/(%): 15
|ψ≥/(%): 50
|AKV≥/J: 41 |
Applications:
DIN EN 40Mn4 Structural Steel Flat Bar W-Nr 1.1157 Bar is often used in the rollers, shafts, connecting rods, fatigue resistant parts, crankshafts, etc.
FAQ
Q: How do you control the quality?
A: We have professional inspectors to analyze the chemical composition of raw materials and test the finished products in strict accordance with the standards stipulated in the contract. In this process, the inner and outer surfaces, the appearance of both ends, bending, set length, outer diameter and Wall thickness will be checked one by one. You can rest assured that all products you receive from us are reliable.
Q: Do you accept customization?
A: Yes. If you have special requirements for products or packaging, we can make them for you.
Q: Can you accept trial orders?
A: Our MOQ is usually 1 ton. However, if you want to place an order as the start of our cooperation, we can accept smaller quantities at the first time. Of course, after the start, we will have further and longer cooperation.
Q: How do I get samples?
A: Free samples are available for your inspection and testing, DHL/FedEx/UPS accounts can be used for sampling, and the courier fee is borne by you.
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DIN EN 40Mn4 Structural Steel Flat Bar W-Nr 1.1157 Bar Images
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