Hot Sale SAE1020 S235 S355 1045 Ck45 4130 4140 Steel round bar

Sep 08, 2025

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Product information:

Standard

SAE 1020 S20c Ss440 A36 Q235 1045 S45c C45 4140 Steel Round Bar

GB/T 8163 Grade 20 Q390 Q420 Q460 Seamless Steel Pipe for Liquid

A106 Hot DIP Black Varnished Seamless Carbon Steel Pipe

AP175-79, DIN2I5L , ASTM A106 Gr.B, ASTM A53 Gr.B,

ASTM A179/A192/A213/A210 /370 WP91, WP11,WP22.

DIN17440, DIN2448,JISG3452-54.

Material

API5L,Gr.A&B, X42, X46, X52, X56, X60, X65, X70, X80,

ASTM A53Gr.A&B,ASTM A106 Gr.A&B, ASTM A135,

ASTM A252, ASTM A500, DIN1626, ISO559, ISO3183.1/2,

KS4602, GB/T911.1/2,SY/T5037, SY/T5040

STP410,STP42.

Certificates

API5L ISO 9001:2008 TUV SGS BV etc

Outside Diameter

1/2'--24'

21.3mm-609.6mm

Thickness

SCH5S, SCH10S, SCH20S,SCH20, SCH30,STD, SCH40,

SCH60, SCH80, SCH100, SCH140, SCH160,XS,

1.65mm-59.54mm

Length

5.8m 6m Fixed, 12m Fixed, 2-12m Random.

Technic

1/2'--6': hot piercing processing technic

6'--24' : hot extrusion processing technic

Surface Treatment

Black Painted, Galvanized, Natural, Anticorrosive 3PE coated,polyurethane foam Insulation .

Packing

Bundles or In bulk. bundled pipes with two slings at the both

end for easy loading and discharging,

End

Bevel end(>2"), Plain (≤2"),with plastic cap, with screwed and

socket.

Usage /Application

Oil pipe line, Drill pipe, Hydraulic pipe, Gas pipe, Fluid pipe,

Boiler pipe,Conduit pipe, Scaffolding pipe pharmaceutical and

ship building etc.

 

1. What is a steel round bar?

What is a Steel Round Bar? Steel round bars, often called steel bar stock, are cylindrical bars that are used for construction sites and industrial applications. Because they come in various sizes, they can be employed to meet the particular demands of industry.

 

2.What is a circular 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 are the 4 types of steel?

The four main types of steel include carbon steel, stainless steel, alloy steel, and tool steel. Learn how the different kinds of steel are categorized and how each type can work for your project requirements.

 

4.What is the difference between round bar and steel rod?

Round bars are typically made from hot-rolled steel, while rods usually come from cold-drawn steel. Round bars have a higher carbon content than rods, which gives them better strength and hardness properties. Rods have a higher manganese content than round bars, which gives them better wear resistance.

 

5.What is a steel billet?

The steel, which is made freshly and is still in the form of a rectangle or a metal bar, is referred to as a steel billet. Steel has to be processed into more useful pieces first before its products get sold into the market.