Xi'an Dongmeng Group Co., Ltd. is one of the most reliable manufacturers and suppliers of Carbon Angle Steel Supplier | ASTM A36, S235JR, S275JR, S355JR Steel Angle Bar Manufacturer & Exporter in China, also supports customized service. With abundant experience, we warmly welcome you to wholesale cheap products in stock here and get free sample from our factory. For price consultation, contact us.
Buy high-quality Carbon Angle Steel from Xi'an Dongmeng Group Co., Ltd. Available in ASTM A36, A572, S235JR, S275JR, S355JR grades. Equal Angle & Unequal Angle sizes, custom cutting, galvanizing, fabrication, global export, fast delivery, competitive factory prices.
Carbon Angle Steel Supplier & Manufacturer
Carbon Angle Steel, also known as Steel Angle Bar or L Angle Steel, is one of the most widely used structural steel profiles in construction, engineering, infrastructure, and industrial manufacturing.
Manufactured through hot rolling processes, Carbon Angle Steel features two legs forming a 90° angle. Depending on design requirements, it is available in both Equal Angle Steel and Unequal Angle Steel configurations.
Due to its excellent strength-to-weight ratio, superior weldability, and cost-effectiveness, Carbon Angle Steel is commonly used in:
Building frameworks
Steel structures
Transmission towers
Bridges
Solar mounting systems
Machinery manufacturing
Industrial platforms
Warehouse construction
As a professional Carbon Angle Steel manufacturer, Xi'an Dongmeng Group Co., Ltd supplies structural angle steel in accordance with ASTM, EN, JIS, and GB standards for global engineering projects.
ASTM A36 Carbon Angle Steel Chemical Composition (%)
| Element | Content |
|---|---|
| Carbon (C) | ≤0.26 |
| Manganese (Mn) | 0.60-0.90 |
| Phosphorus (P) | ≤0.040 |
| Sulfur (S) | ≤0.050 |
| Silicon (Si) | ≤0.40 |
S355JR Carbon Angle Steel Chemical Composition (%)
| Element | Content |
|---|---|
| Carbon (C) | ≤0.24 |
| Silicon (Si) | ≤0.55 |
| Manganese (Mn) | ≤1.60 |
| Phosphorus (P) | ≤0.035 |
| Sulfur (S) | ≤0.035 |
Mechanical Properties
| Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) |
|---|---|---|---|
| ASTM A36 | ≥250 | 400-550 | ≥20 |
| S235JR | ≥235 | 360-510 | ≥26 |
| S275JR | ≥275 | 410-560 | ≥23 |
| S355JR | ≥355 | 470-630 | ≥22 |
| Q355B | ≥355 | 470-630 | ≥21 |
Physical Properties
| Property | Value |
|---|---|
| Density | 7.85 g/cm³ |
| Melting Point | 1425-1540°C |
| Elastic Modulus | 200 GPa |
| Thermal Conductivity | 51 W/m·K |
| Electrical Resistivity | 15.9 μΩ·cm |
Machining & Fabrication Performance
Excellent Processing Capability
Carbon Angle Steel can be easily processed through:
Saw cutting
Laser cutting
Plasma cutting
CNC machining
Drilling
Punching
Bending
Forming
Advantages include:
Stable dimensional tolerance
Low processing cost
High production efficiency
Excellent structural consistency
Custom fabrication services are available according to engineering drawings.
Welding Performance Analysis
Outstanding Weldability for Structural Projects
Carbon Angle Steel exhibits excellent welding characteristics.
Suitable welding methods:
MIG Welding
TIG Welding
Shielded Metal Arc Welding (SMAW)
Flux Core Arc Welding (FCAW)
Benefits:
Minimal cracking tendency
High joint strength
Easy on-site installation
Suitable for large structural assemblies
Corrosion Resistance Analysis
Long-Term Durability Solutions
Standard black Carbon Angle Steel is suitable for indoor structural applications.
For outdoor and harsh environments, we provide:
Hot Dip Galvanized Angle Steel
Benefits:
Zinc coating protection
Enhanced corrosion resistance
Service life up to 30+ years
Reduced maintenance costs
Painted Carbon Angle Steel
Benefits:
Improved weather resistance
Customized project colors
Additional surface protection
Applications of Carbon Angle Steel
Construction Industry
Applications:
Building frames
Roof trusses
Structural supports
Warehouse systems
Benefits:
High load capacity
Easy installation
Cost-effective structure
01
Infrastructure Projects
Applications:
Bridges
Highway structures
Railway projects
Utility supports
Benefits:
Long service life
High structural integrity
Low maintenance
02
Solar Energy Industry
Applications:
Solar mounting structures
PV support frames
Ground mounting systems
Benefits:
Easy fabrication
Weather resistance
Structural stability
03
Power Transmission Industry
Applications:
Transmission towers
Communication towers
Electrical substations
Benefits:
High strength
Lightweight structure
Proven reliability
04
Industrial Manufacturing
Applications:
Machine frames
Equipment supports
Platforms
Conveyor systems
Benefits:
Versatile fabrication
Excellent weldability
High durability
05
Carbon Angle Steel Specification Table
Equal Angle Steel
| Size (mm) | Thickness (mm) | Weight (kg/m) |
|---|---|---|
| 25×25 | 3-5 | 1.12-1.82 |
| 40×40 | 3-6 | 1.85-3.52 |
| 50×50 | 4-8 | 3.06-5.82 |
| 75×75 | 5-10 | 5.80-11.09 |
| 100×100 | 6-16 | 9.37-23.26 |
| 150×150 | 10-20 | 22.90-46.80 |
Unequal Angle Steel
| Size (mm) | Thickness (mm) |
|---|---|
| 50×32 | 3-6 |
| 63×40 | 4-8 |
| 75×50 | 5-10 |
| 90×56 | 6-12 |
| 100×63 | 6-12 |
| 125×80 | 8-14 |
| 150×90 | 8-16 |
Length
6m
9m
12m
Custom Length Available
Manufacturing Standards
ASTM Standards
ASTM A36
ASTM A572
ASTM A6
EN Standards
EN 10025-2
S235JR
S275JR
S355JR
JIS Standards
JIS G3192
SS400
Chinese Standards
GB/T 706
Q235B
Q355B
Production Capacity
Factory Manufacturing Capability
Annual Capacity: 300,000+ Tons
Angle Steel Production Lines: Multiple
Galvanizing Facilities Available
CNC Processing Centers
Cutting & Drilling Services
OEM & ODM Support
Available Supply Forms:
Bundles
Custom Fabricated Components
Galvanized Structures
Export Project Packages
Inspection & Quality Assurance
Strict Quality Control System
Every batch undergoes:
Raw Material Inspection
Chemical analysis
Material traceability
Production Inspection
Dimensional verification
Straightness inspection
Surface quality control
Mechanical Testing
Tensile testing
Yield strength testing
Impact testing
Final Inspection
Weight verification
Marking inspection
Packaging inspection
Available Certificates:
EN 10204 3.1 MTC
SGS Inspection
BV Inspection
TUV Inspection
Third-Party Testing Reports
Packaging & Shipping
Export Seaworthy Packaging
Packaging Options:
Steel Strapping Bundles
Waterproof Wrapping
Plastic Film Protection
Wooden Pallets
Wooden Crates
Shipping Methods:
Container Loading
Break Bulk Shipment
Project Cargo Shipment
Export Markets:
North America
South America
Europe
Middle East
Southeast Asia
Africa
Why Choose Xi'an Dongmeng Group Co., Ltd?
Factory Direct Pricing
Competitive manufacturer pricing without intermediary costs.
Global Project Experience
Supplying structural steel products for infrastructure, industrial, and energy projects worldwide.
Complete Processing Services
Cutting, drilling, galvanizing, welding, and customized fabrication.
Strict Quality Control
100% inspection procedures with third-party certification support.
Fast Delivery
Large inventory and stable production capacity ensure rapid order fulfillment.
Professional Export Team
Comprehensive support for documentation, logistics, customs clearance, and project procurement.
FAQ
What is the difference between Equal Angle and Unequal Angle Steel?
Equal Angle Steel has two legs of identical length, while Unequal Angle Steel has different leg dimensions for specialized structural applications.
Which grade is most commonly used for structural projects?
ASTM A36, S235JR, and S355JR are among the most widely specified grades.
Can Carbon Angle Steel be galvanized?
Yes. Hot Dip Galvanized Angle Steel offers superior corrosion resistance for outdoor applications.
Do you provide custom cutting services?
Yes. We offer custom length cutting, drilling, punching, and fabrication.
What standards do your products comply with?
ASTM, EN, JIS, GB, and customer-specific project requirements.
Can you provide MTC certificates?
Yes. EN 10204 3.1 Material Test Certificates are available.
What is your MOQ?
Standard sizes can often be supplied with flexible MOQ requirements.
Can third-party inspections be arranged?
Yes. SGS, BV, TUV, Intertek, and customer-appointed inspectors are welcome.
How long is the delivery time?
Generally 7-25 days depending on size, quantity, and processing requirements.
Which countries do you export to?
We export to more than 80 countries across Europe, America, the Middle East, Southeast Asia, and Africa.
Contact Us
Request a Free Quote for Carbon Angle Steel
Xi'an Dongmeng Group Co., Ltd
Carbon Steel Structural Solutions Manufacturer & Exporter
📞 Phone / WhatsApp / WeChat: +8615769214734
📧 Email: office@dongmjd.com
We provide factory-direct pricing, custom fabrication, third-party inspection support, and global export services for structural steel projects.
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