Hot Rolled SAE 1045 Alloy 42CrMo 4140 Scm440 Forged Steel Round Bar

Nov 26, 2025

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Product Description

Shandong Heng Steel Group is a manufacturer in china.Our main products are carbon/alloy/corten/wear resistant steel plate,galvanized/carbon steel angle,round bar and so on...

Material:
hot rolled/cold drawn/forged steel round bar
Process:
Forged from vacuum degassed ingots.
Diameter:
25mm-1000mm (optional)
Length:
1000mm-12000mm Straightness: 3mm/M max(optional)
Process:
EAF + LF + VD + Forged + Heat Treatment (optional)
Delivery condition:Hot forged +Rough machined (black surface after Q/T)+ Double tempered.
Delivery time
15-25 days
MOQ:
5 tons
Heat treatment:
Normalized / Annealed / Quenched / tempered (optional)
Technical Data:
According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing
Properties:
As your request
Test:
Ultrasonic test according to SEP 1921-84 Class C/c and D/d (optional)
Marking:
Grade, heat NO. length will be stamped one each bar with required color
Payment:
30% advance by T\T; Balance pay before the shipment against shipping documents or irrevocable LC at sight
Trade Term
FOB,C&F,EXW...
Application:
Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.


Hot Rolled SAE 1045 Alloy 42CrMo 4140 Scm440 Forged Steel Round Bar
Hot Rolled SAE 1045 Alloy 42CrMo 4140 Scm440 Forged Steel Round Bar
Hot Rolled SAE 1045 Alloy 42CrMo 4140 Scm440 Forged Steel Round Bar
Hot Rolled SAE 1045 Alloy 42CrMo 4140 Scm440 Forged Steel Round Bar
Hot Rolled SAE 1045 Alloy 42CrMo 4140 Scm440 Forged Steel Round Bar
Hot Rolled SAE 1045 Alloy 42CrMo 4140 Scm440 Forged Steel Round Bar
Hot Rolled SAE 1045 Alloy 42CrMo 4140 Scm440 Forged Steel Round Bar
Hot Rolled SAE 1045 Alloy 42CrMo 4140 Scm440 Forged Steel Round Bar
Hot Rolled SAE 1045 Alloy 42CrMo 4140 Scm440 Forged Steel Round Bar

Hot Rolled SAE 1045 Alloy 42CrMo 4140 Scm440 Forged Steel Round Bar
Hot Rolled SAE 1045 Alloy 42CrMo 4140 Scm440 Forged Steel Round Bar

1.What is a round bar?

Round bar is exactly as it sounds; a long, cylindrical metal bar. Round bar is available in a variety of metals including black steel, bright steel, stainless steel, aluminium, engineering steel, brass and more; and in many different diameters ranging from 1/4″ up to 24".

 

2.What is a round bar called?

The most common shapes are round bar (also called rod), rectangular bar (including square bar, the special case of equal sides), and hexagonal bar (usually called hex bar for short). Tube and pipe are similar, but have hollow centers and are traditionally not called "bar" in industrial usage.

 

3.What is the difference between a round bar and a rod?

Round bars often possess higher tensile strength and hardness, making them suitable for load-bearing applications. Meanwhile, rods offer increased flexibility and are more malleable, catering to intricate designs and bending requirements.

 

4.Which is better, SS or MS?

Fabrication. As chrome is a hard alloy, stainless steels are much more impact resistant compared to mild steel and (although relatively easy to fabricate) are not as easy to fabricate as mild steel. Mild steel is much more malleable compared to stainless and so is used a lot in general fabrication.

 

5.How strong is a round bar?

Strength and Durability: Round bars exhibit excellent tensile and compressive strength, making them suitable for high-stress applications. Rotational Applications: Their cylindrical shape allows them to excel in applications involving rotation, such as axles, shafts, and other machinery components