40CrMnMo hot rolled steel round bars

After quenching and tempering, 40CrMnMo round steel has good comprehensive mechanical properties, good hardenability, and high tempering stability. Mostly used in quenched and tempered state. 40CrMnMo round steel is often used to manufacture heavy-duty, large cross-section gear shafts, gears, rear axle axles, shafts, eccentric shafts, connecting rods, and similar parts of steam turbines. It can also be used instead of 40CrNiMo round steel.

Chemical composition (wt.%)

C(％)	Si(％)	Mn(％)	Cr(％)	Mo(％)
0.37-0.45	0.17-0.37	0.90-1.20	0.90-1.20	0.20-0.30

 

Mechanical Properties

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
823 (≥)	834 (≥)	41	33	12	Solution & Aging, Ann, Ausaging, Q+T	233

 

FAQ

Q1. How long can make delivery?
      A: For stock products,will make shipments in 2-5 days after receiving deposit or receiving T/T;

          for products need new production for common materials,usually make shipments in 7-10 days;

          for products need new products for special and rare materials,usually need 15-20 days to make shipment.

Q2. Can you provide the samples?

     A:Samples can be provided with samples' charge and courier fee by the buyer's side.

Q3. What's your payment terms?
     A: Down payments 30%TT and balance 70% TT or L/C.
 
Q4. How do you ship the goods and how long does it take to arrive? 
     A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive.

         Airline and sea shipping also optional.

         For mass products, ship freight is prefered.
 
Q5. Can you accept customize?
    A: Yes. It can be customized as per the customers' request.
 
Q6. How to ensure the quality?

    A:Mill Test Certificate is supplied with shipment.

        If needed, a Third Party Inspection is acceptable or SGS.