Hot Rolled Forged 42cr Mo SAE 1045 4140 4340 8620 8640 Steel Flat Bars Carbon Alloy Steel Round Square Bar

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Product Description

Basic Information
Standard AISI, ASTM, GB, JIS, DIN, BS
Technique Hot Rolled
Material Q195, Q215, Q235, Q345, St37, A36, 45#, 16mn, SPHC, 42CrMo
Surface Treatment Polished, Black, Grinding or as Demand
Application Structural Steel Bar, Tool Steel Bar, Die Steel Bar
Tolerance ±1%
Processing Service Bending, Welding, Decoiling, Cutting, Punching
Size Range Thickness: 0.02-20mm; OD: 10-820mm
Product Description
Product Parameters Banner
Carbon steel is an iron-carbon alloy with a carbon content of 0.0218% to 2.11%. Also called carbon steel, it generally contains small amounts of silicon, manganese, sulfur, and phosphorus. Generally, the higher the carbon content, the greater the hardness and higher the strength.
Product Name Carbon Structural Steel Bars
Steel Grade Carbon Steel / Alloy Steel
Diameter 4-800mm
Length 1-12m
Special Use Cold Heading Steel, Mold Steel, Free Cutting Steel
Product Display
Carbon Steel Bar Display
Steel Bar Detail 1
Steel Bar Detail 2
Steel Bar Detail 3
Steel Bar Detail 4
Steel Bar Detail 5
Steel Bar Detail 6
Steel Stockroom
Manufacturing Capabilities
Factory Overview
Production Line

We are a comprehensive, modern and high-quality enterprise integrating steel production, processing and sales. Our main products include carbon steel, I-beams, H-beams, stainless steel plates, wear-resistant plates, and more. Our products are widely used in critical fields such as automobile manufacturing, petroleum, railway, bridge construction, and shipbuilding.

Global Supply

Supported by a strong capital chain and technical expertise, we have gained wide recognition from international customers. Our global footprint covers the United States, Europe, Southeast Asia, South Africa, and South America, with export volumes growing steadily through consistent quality control.

Certification & Packaging
Certificates
Application Areas
Applications
Packaging & Shipping
Packing Process
Customer Feedback
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Frequently Asked Questions
FAQ Header
Are you a manufacturer or a trading company?
We are a professional manufacturer established for more than 20 years, with over a decade of experience in international export.
Can I request samples before placing a bulk order?
Yes, we can provide small samples for free. Customized samples typically take 5-7 days to prepare.
What is the typical delivery time for orders?
Small trial orders take approximately 5-7 days. Full container orders usually require 15-20 days depending on the specifications.
How do you ensure the quality of the steel products?
Every product undergoes 4-5 testing processes. We are CE certified and welcome third-party inspection agencies to our facility for verification.
What measures are taken for product protection during shipping?
Products are covered with PE film, wrapped in waterproof paper, secured with steel strips on wooden pallets, and fastened to ensure seaworthy transport.
What are your standard payment terms?
Our standard terms are a 30% deposit via TT in advance, with the remaining balance due against the copy of the Bill of Lading (BL).

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