1.7225 18crnimo 42CrMo4 En8 En19 En24 SAE AISI 1020 1035 1045 8620 4340 4130 4140 Forged Steel Round Square Bars

Nov 26, 2025

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Product Specification

Commodity Carbon Steel bar/ rod
Specifications Dimensions16-400mm,etcLength:2000-12000mm,or as required
Standard GB,JIS, ASTMB,INISO
Certification ISO, SGS,BV,Mill Certificate
Technique Cold/Hot rolled, Cold-Drawn, or Hot Forged
Surface Treatment Clean, blasting and painting according to customer requirement
Heat Treatment Annealed; Quenched; Tempered
Thickness tolerance ±0.1mm
Material Q345B,Q345C,Q345D,Q345E,Q390,Q390B,Q390C,Q390D,Q390E,Q420,Q420B,Q420C,Q420DQ420E,Q460,Q460D,Q500C,Q500D,
Q500E,Q550C,Q550D,Q550E,Q620C,Q620D,Q620E,Q690A,Q690B,Q690C,Q690D,Q690E,Q690D,Q690C,Q890C,Q890D
16Mo3,16MnL,16MnR ,16Mng,16MnDR HG785D,S690QL,50MN
Processing Service Bending, Welding, Decoiling, Cutting, Punching
Applications The use is very wide ,from the general engineering structure to cars ,bridges, ships ,boilers and pressure vessels and other manufacturing ,have been used in large quantities.
Packing Seaworthy wooden pallet or according to client's requirement
MOQ 1 ton

1.7225 18crnimo 42CrMo4 En8 En19 En24 SAE AISI 1020 1035 1045 8620 4340 4130 4140 Forged Steel Round Square Bars
Please contact me for more product details and the latest prices.

Product Description

1.7225 18crnimo 42CrMo4 En8 En19 En24 SAE AISI 1020 1035 1045 8620 4340 4130 4140 Forged Steel Round Square Bars1.7225 18crnimo 42CrMo4 En8 En19 En24 SAE AISI 1020 1035 1045 8620 4340 4130 4140 Forged Steel Round Square Bars
1.7225 18crnimo 42CrMo4 En8 En19 En24 SAE AISI 1020 1035 1045 8620 4340 4130 4140 Forged Steel Round Square Bars
 

 

1.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.

 

2.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.

 

3.What size is a round bar?

Round bars can range from as thin as 1/8 inch (3mm) in diameter to more than 12 inches (300mm) for specialized uses. The most common sizes usually fall between 1/4 inch (6mm) and 2 inches (50mm).

 

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.