Construction Steel Angle Bar
  • Construction Steel Angle BarConstruction Steel Angle Bar

Construction Steel Angle Bar

Shunchen Construction Steel Angle Bar features high strength, excellent load-bearing performance and outstanding structural stability for various construction and industrial applications. Manufactured through advanced hot rolling technology, it offers precise dimensions, superior weldability and long service life. Available in multiple sizes, surface treatments and international standards, our steel angle bars provide reliable, cost-effective solutions for global projects.

As a professional steel supplier, Shunchen provides durable Construction Steel Angle Bar with stable supply capacity, competitive factory pricing and strict quality assurance. Our hot rolled angle bars support customized specifications, international standards and large-volume procurement for construction companies, contractors and distributors worldwide.

Construction steel angle bar for structural support

Product Overview

Durable Construction Steel Angle Bar for Structural Support

Construction Steel Angle Bar is a hot-rolled structural steel product with an L-shaped cross-section, designed to provide strong support and reinforcement in various engineering applications.

The symmetrical angle structure enables balanced stress distribution and provides dual bearing surfaces without additional machining. Compared with ordinary flat steel, angle bars offer superior rigidity and structural stability, making them an ideal choice for load-bearing frameworks and connection components.

Our steel angle bars are available in multiple steel grades, sizes and surface treatments to meet different construction requirements across global markets.

Key Advantages:

· High load-bearing performance

· Excellent structural stability

· Accurate dimensional control

· Strong weldability and machinability

· Multiple international standard options

· Suitable for large-scale project procurement

Why Choose Shunchen Construction Steel Angle Bar?

1.Superior Load-Bearing Capacity & Structural Stability

The unique L-shaped design provides excellent mechanical strength and resistance against deformation.

During construction and industrial applications, steel angle bars effectively improve structural reinforcement and maintain long-term stability under different loading conditions.

Applications include:

· Steel building frames

· Structural supports

· Roof trusses

· Bridge components

· Industrial equipment frames

Compared with flat steel materials, angle bars provide stronger connection performance and higher structural efficiency.

2. Cost-Effective Solution for Global Bulk Procurement

For international construction projects, material cost and supply stability are key purchasing factors.

Shunchen Construction Steel Angle Bar adopts mature hot rolling technology and efficient production management to reduce manufacturing costs while maintaining reliable product quality.

Advantages for overseas buyers:

· Factory direct supply

· Competitive wholesale pricing

· Stable large-volume production capacity

· Reduced maintenance costs due to excellent durability

Whether for small construction projects or large infrastructure developments, our angle bars provide an economical steel solution.

3. Excellent Secondary Processing Performance

Our carbon steel angle bars support various customized processing services according to customer requirements.

Available processing options:

· Cutting

· Welding

· Punching

· Drilling

· Bending

· Customized length processing

This allows customers to directly use finished components in construction projects, reducing additional processing time and costs.

4. Compatible with Global Steel Standards

To meet different international procurement requirements, Shunchen supplies Construction Steel Angle Bar according to various domestic and international standards.

Applicable standards include:

· GB/T 706-2016 (China Standard)

· ISO 657 (International Standard)

· EN 10056 (European Standard)

· ASTM A36 (American Standard)

· DIN EN 10056 (German Standard)

Different steel grades and surface treatments can be customized according to project specifications.

Hot rolled construction steel angle bars in different sizes

Product Specifications

Parameter

Details

Product Name

Construction Steel Angle Bar(Equal & Unequal)

Material Grades

Q235B / Q355B (GB); A36 / A572 Gr.50 (ASTM); S235JR / S355JR (EN)

Manufacturing Process

Hot rolled, conforming to GB/T 706-2016

Equal Leg Sizes

20×20 mm up to 250×250 mm

Unequal Leg Sizes

25×16 mm up to 200×125 mm

Thickness Range

3.0 mm – 24.0 mm

Standard Lengths

6 m / 9 m / 12 m; custom lengths from 4 m to 18 m

Dimensional Tolerance

±1% (per GB/T 706-2016)

Surface Treatment

Anti-rust oil / black paint / hot-dip galvanized (80-120 μm) / epoxy anti-corrosion coating

Processing Services

Cutting, drilling, punching, welding, bending, custom length

Certification

ISO 9001:2015 Quality Management System

Third-Party Inspection

SGS / BV available upon request

 Shunchen steel supplier quality certificationShunchen steel product quality certificate

Q235B vs Q355B Comparison Table  

Property

Q235B

Q355B

Yield Strength (min, MPa)

235

355

Tensile Strength (MPa)

370-500

470-630

Elongation (min, %)

26

22

Typical Application

General structures, light frames

Heavy steel structures, bridges, large infrastructure

 

Common Sizes & Weights

Size (mm)

Thickness (mm)

Theoretical Weight (kg/m)

Recommended Application

∠20×20

3-4

0.889-1.145

Light brackets, small supports

∠40×40

3-5

1.852-2.976

Auxiliary building structures

∠63×63

5-8

4.576-7.398

Machinery frames, workshop supports

∠100×100

8-10

12.276-15.120

Heavy steel connections, infrastructure

 

Manufacturing Process & Quality Control

Advanced Hot Rolling Production Ensures Reliable Quality

Shunchen uses modern steel production equipment including:

· Automatic heating furnaces

· Multi-pass hot rolling lines

· Straightening equipment

· Surface inspection systems

· Mechanical performance testing equipment

Every Construction Steel Angle Bar undergoes strict inspection procedures, including:

Quality Inspection:

Surface inspection Dimensional tolerance inspection Tensile strength testing Yield strength testing Chemical composition analysis

Production follows strict quality management requirements based on international standards.

Customers can receive:

· Mill Test Certificates (MTC)

· Mechanical test reports

· Dimensional inspection reports

· Third-party inspection documents

ensuring complete product traceability for international procurement.


Wide Applications 

Building & Construction Industry

Used for:

· Steel structure buildings

· Warehouse frameworks

· Roof support systems

· Reinforcement structures

Industrial Manufacturing

Used for:

· Machine frames

· Equipment supports

· Factory platforms

Infrastructure Projects

Used for:

· Bridges

· Towers

· Transportation facilities

· Large engineering structures

Why Choose Shunchen as Your Steel Angle Bar Supplier?

1. Verified Load-Bearing Performance

All our angle bars are manufactured to GB/T 706-2016. Typical mechanical properties:

Grade

Yield Strength (min, MPa)

Tensile Strength (MPa)

Elongation (min, %)

Q235B

235

370-500

26

Q355B

355

470-630

22

Every batch comes with a Mill Test Certificate (MTC) including chemical composition and tensile test results. Third‑party inspections by SGS or BV are available upon request.

2. End-to-End Quality Control

Our production line includes: automatic reheating furnaces → multi‑pass hot rolling → in‑line straightening → surface inspection → mechanical testing. Each product lot undergoes:

Surface defect inspection

Dimensional tolerance check (within ±1% of nominal size)

Tensile strength and yield strength tests

Chemical composition analysis (C, Si, Mn, S, P)

Customers receive full traceability documentation with every shipment.

3. Real Cost Efficiency-Factory Direct

As a mill‑based supplier, we eliminate intermediary costs. Our annual output of 450,000+ tons ensures stable supply for large‑scale projects. In 2025, we helped a Southeast Asian contractor save approximately 12% on material costs while reducing delivery lead time from the industry average of 30 days to 15‑20 working days for standard sizes.

Packaging & Delivery

To ensure product safety during international transportation, Construction Steel Angle Bars are professionally packed according to export requirements.

Packaging options:

· Steel strip bundling

· Waterproof protection

· Customized labeling

· Container loading support

Our experienced logistics team provides efficient shipment arrangements for global customers.

Construction steel angle bar bundled for export packagingConstruction steel angle bars loaded for international shipment

Frequently Asked Questions

Q1: What is your minimum order quantity (MOQ)?

A: We accept trial orders from 1 ton. For regular orders, full container load (FCL) is recommended for cost‑efficiency and safety. Large projects (1,000+ tons) receive preferential pricing and priority production.

Q2: What is your lead time?

A: For standard sizes in stock: 7 days after deposit. Custom sizes or special processing: 15-30 days. Hot-dip galvanizing or large volume orders: 30‑45 days. We can reserve stock for long‑term partners.

Q3: What are your payment terms?

A: Typically 30% deposit + 70% balance against Bill of Lading. L/C at sight is negotiable. For large contracts, terms can be discussed based on credit standing.

Q4: Can I get a free sample?

A: Yes. Samples under 2 kg are free of charge; shipping cost is borne by the buyer. The sample fee is refundable upon order confirmation.

Q5: Do you provide third-party inspection?

A: Yes. We can arrange SGS, BV, or any inspection agency you designate. Inspection cost is borne by the buyer. Shipment proceeds only after inspection clearance.

Q6: What information do you need for a quotation/order?

A: Please provide: ① leg size × thickness ② steel grade ③ length required ④ surface treatment ⑤ quantity ⑥ destination port. If custom processing (cutting, drilling, etc.) is needed, please supply drawings or detailed specifications.


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