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ASTM A36 Mild Carbon Steel Square Bar Solid Forged Steel Rod
ASTM A36 Mild Carbon Steel Square Bar Solid Forged Steel Rod
ASTM A36 Mild Carbon Steel Square Bar Solid Forged Steel Rod
ASTM A36 Mild Carbon Steel Square Bar Solid Forged Steel Rod
ASTM A36 Mild Carbon Steel Square Bar Solid Forged Steel Rod
ASTM A36 Mild Carbon Steel Square Bar Solid Forged Steel Rod
ASTM A36 Mild Carbon Steel Square Bar Solid Forged Steel Rod
ASTM A36 Mild Carbon Steel Square Bar Solid Forged Steel Rod
ASTM A36 Mild Carbon Steel Square Bar Solid Forged Steel Rod
ASTM A36 Mild Carbon Steel Square Bar Solid Forged Steel Rod
ASTM A36 Mild Carbon Steel Square Bar Solid Forged Steel Rod
ASTM A36 Mild Carbon Steel Square Bar Solid Forged Steel Rod
Shape: Square / Flat
Size: Custom Sizes Available
Length: Standard Length or Custom Cut
Material: Mild Carbon Steel
Steel Grade: ASTM A36, Q235, S235
Production Process: Hot Rolled, Forged
Surface Finish: Black, Machined, Pickled
Processing Capability: Cutting, Drilling, Machining
Sales Model: Wholesale & Customized Manufacturing
Packaging: Steel Strapping + Export Wooden Pallet
Minimum Order: 1 Ton
Applications: Construction structures, machinery parts, frames, supports

Material

ASTM A36
Q235
S235
Customized

Size

20mm
30mm
40mm
50mm
Customized
Quantity:
库存: 0
Inquiry
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 Product Description

This mild carbon steel square bar and solid forged steel rod are manufactured to meet structural and mechanical application requirements. Produced according to ASTM A36 standard, as well as equivalent grades Q235 and S235, the steel bar offers stable strength, good toughness, and reliable weldability. The solid square shape provides excellent load-bearing capacity, making it suitable for construction and industrial fabrication.

In addition, the steel square bar supports customized processing services, including cutting, drilling, and machining, allowing flexible use in different projects. Therefore, it is widely applied in building structures, machinery components, frames, supports, and general engineering applications. Hot rolled and forged production methods ensure consistent material quality. Stable wholesale supply, strict quality control, and export-grade packaging guarantee reliable performance and delivery for global customers.

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 Product Packaging

carbon steel bar package

Standard export wooden box packaging

carbon steel bar package

Standard export wooden box packaging

carbon steel bar package

Standard export wooden box packaging

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 Comment & FAQ

Q1: Do you provide samples? Is it free or extra?

A1: Yes, we can provide samples free of charge and the customer will pay the freight.
Q2: What if I don't have export experience ?
A2: We have reliable forwarder agent which can ship items to you by sea/air/Express to your doorstep. Any way, we will help you choose the most suitable shipping service.
Q3: How long is your lead time?
A3: If it is in stock, it is usually 5-10 days. Or, if there is no inventory, 15 days, depending on the quantity.
Q4: What are your terms of payment?
A4:30% T/T deposit in advance, 70% T/T balance within 5 days after B/L copy, 100%. Irrevocable L/C at
sight, 100% Irrevocable L/C after receive B/L 30-60 days, O/A.
Q5: How is your technical support?
A5: We provide lifetime online support through Whatsapp/ Skype/ Wechat/ Email. Any problem after delivery, we will offer you call anytime.

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 Company Profile

Haihong (Jiangsu) Steel International Trading Co., Ltd. is a comprehensive enterprise integrating production and foreign trade, with a deep commitment to the metal products industry. The company occupies a modern production base of approximately 1,000 mu and has a professional workforce of over 500 employees. Supported by its strong production capabilities and professional service team, the company specializes in a diverse range of metal products, including stainless steel plates, color-coated steel coils, aluminum plates, stainless steel pipes, stainless steel profiles, etc.


Upholding the principle of "customer first", the company provides personalized customization services. From product design to production and delivery, every step is strictly monitored to ensure the creation of high-quality products that meet the specific requirements of global customers. With its excellent product quality and good business reputation, the company has continuously expanded its business scope and won wide recognition and trust from customers at home and abroad. In the future, Haihong Steel will continue to forge ahead, drive development through innovation, and inject new vitality into the global metal products market.

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 Production Process

微信图片_20260104155540_3465_5

smelting

微信图片_20260104155656_3466_5

casting

微信图片_20260104155842_3467_5

cooling

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 Certifications

质量认证-不锈钢彩钢卷生成与销售


质量认证-不锈钢无缝管


质量认证-金属制品


质量认证-冷轧不锈钢卷板钢


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 Data Sheet

Grade
Rank
Chemical Composition( %)
C
Mn
Si
S
P
Q195

0.06~0.12
0.25~0.50
≤0.3
≤0.05
≤0.045

Q215
A

0.09~0.15
0.25~0.55

≤0.3
≤0.05

≤0.045
B
≤0.045


Q235
A
0.14~0.22
0.30~0.65
≤0.3
≤0.05
≤0.045
B
0.12~0.20
0.30~0.70
≤0.045
C
≤0.18

0.35~0.80
-----
≤0.04
≤0.04
D
≤0.17
≤0.035
≤0.035

Q255
A

0.18~0.28

0.40~0.70

≤0.3
≤0.05
≤0.045
B
≤0.045
-----
Q275

0.28~0.38
0.50~0.80
≤0.35
≤0.05
≤0.045