High Strength Carbon Steel Square Flat Bar for Global B2B Procurement

Overview

High Strength Structural Carbon Steel Square Flat Bar

Model NO.

M2 D2 D3 A2 4340 410 P20 H13 S1 S7 4140 52100 SUJ2

Technique

Hot Rolled

Application

Structural Steel Bar, Tool Steel Bar, Die Steel Bar

Surface Treatment

Galvanized

Alloy

Non-alloy

Special Use

Mold Steel, Free Cutting Steel, Cold Heading Steel

Product Name

Carbon Steel Bar

Shape

Round

Technology

Hot Rolled Based

Quality

High Quality Inspection

HS Code

7213100000

Production Capacity

1000 Ton/Month

Product Description

Product Name	SAE 1045 1020 Hot Rolled Iron Carbon Steel Round Bars Round Steel Bar
Grades	1045 1020 20MnCr5
Surface	Black, Polish, Oiled
Technique	Hot rolled
Delivery Condition	Black Surface, Rough machined or as required
Test	100% Ultrasonic test
Process	EAF + LF + VD + Forged + Heat Treatment
Dimension	Diameter: 16mm - 250mm; Length: 4000-15000mm or cut to length
Application	Building, automobile, shipbuilding, petrochemical, machinery, medicine, food, energy, space, etc. Mould template, mortise pin, column. Structural parts supporting stress alternation (connecting rods, bolts, wheel gear). Blanks and materials of shaft parts (Model CMC-E45).
Inspection	Mill Test Certificate supplied with shipment; SGS inspection accepted.

Detailed Photos

Product Parameters

Common Steel Round Bar Categories, Grades, and Sizes:

Category	Grades	Sizes	Standard
Carbon structure steel	Q195, Q215, Q235, Q275	16mm-250mm	GB/T700-2006
Low alloy high strength	Q295, Q345, Q390, Q420, Q460	16mm-250mm	GB/T1591-2008
Prime Carbon structure	10#, 20#, 35#, 45#, 60#, 20Mn, S45C, C45	16mm-250mm	GB/T699-1999
Alloy structure steel	42Crmo, 20Cr, 40Cr, 20CrMo, 35CrMo, 20CrMnTi, Q345B	16mm-250mm	GB/T3077-1999
Spring Steel	65Mn, 60Si2Mn, 50CrVA	16mm-250mm	GB/T1222-84

Frequently Asked Questions

Are you a manufacturer or a trading company?

We are both a trading company and a manufacturer with our own factory and over 10 years of experience in steel product sales.

Can I visit your factory?

Of course. We warmly welcome you to visit our production facilities.

Do you have quality control?

Yes, we have gained certification of GB/T19001:2016 / ISO9001:2015. We extend a 100% satisfaction guarantee on all items.

How can I trust your business?

Honest business with competitive pricing and professional service is our promise to all customers. Your orders and payments are well-secured.

Can we get some samples?

Yes, you can get available samples from our stock. Samples are free, but customers need to cover the freight cost.

How about the delivery time?

Normally it is 5-7 days if in stock. For production items, it takes 15-45 days depending on the order quantity.

High Strength Structural Carbon Steel Square Flat Bar

Product Description

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