ASTM 4140 G41400 Structural Steel Round Bar ASTM 4140 Round Bar G41400 Bar
Description
Our company provides ASTM 4140 G41400 Structural Steel Round Bar ASTM 4140 Round Bar G41400 Bar.All of ASTM 4140 G41400 Structural Steel Round Bar ASTM 4140 Round Bar G41400 Bar conform to Military standard, nuclear power. 100% Ultrasonic test.
Products Details
ASTM 4140 G41400 Structural Steel Round Bar ASTM 4140 Round Bar G41400 Bar.
Chemical Composition (weight%): | |||||||
C (%): 0.38 ~ 0.45 | Si (%): 0.15 ~ 0.35 | Mn (%): 0.75 ~ 1.00 | P (%)≤: 0.035 | S (%)≤: 0.040 | Cr (%): 0.80 ~ 1.10 | Ni (%): - | Mo (%): 0.15 ~ 0.25 |
Mechanical Properties Under Final Heat Treatment: | |||
Hot working temperature /℃: 1100~850 | |||
Mechanical property ≥ σb/MPa: 1050 | Mechanical property ≥ σs/MPa: 910 | Mechanical property ≥ δ5 (%): 12 | Mechanical property ≥ ψ (%): 45 |
ASTM 4140 G41400 Structural Steel Round Bar may be furnished in one of the following conditions: stress relieving; annealing; solution treatment; solution treatment and ageing; normalizing; normalizing and tempering; or quenching and tempering.
ASTM 4140 G41400 Structural Steel Round Bar shall be manufactured by melting process EF, LF + EAF+ VD, IFF + ESR Melted. VIM + ESR can be handled by agreement.
Equivalent Grade:
ASTM 4140 SAE J1249(2000)
G41400
FAQ
Q: How do you control the quality?
A: We have professional inspectors to analyze the chemical composition of ASTM 4140 G41400 Structural Steel Round Bar ASTM 4140 Round Bar G41400 Bar 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.