Download the Latest Angle Steel Bar Specifications and Dimensions.
Top Quality ASTM A572 Structural Steel Angle Bar
Product Detail
| Type | Equal & Unequal | Place of Origin | Tianjin, China |
| Standard | ASTM | Brand Name | Royal |
| Tolerance | ±1% | Application | Construction |
| Processing Service | Bending, Welding, Punching, Decoiling, Cutting, etc | Technique | Hot Rolled, Cold Rolled |
| Delivery Time | 7-15 days | MOQ | 25 Tons |
| Alloy Or Not | Non‑Alloy | Certificate | CE, ISO,MTC |
| Invoicing | By Actual Weight | Payment term | TT |
ASTM A572 Angle Steel Bar Chemical Composition
| Item | Grade | Carbon, max, % | Manganese, max, % | Silicon, max, % | Phosphorus, max, % | Sulfur, max, % |
|---|---|---|---|---|---|---|
| A572 Steel Angle | 42 | 0.21 | 1.35 | 0.40 | 0.04 | 0.05 |
| 50 | 0.23 | 1.35 | 0.40 | 0.04 | 0.05 | |
| 55 | 0.25 | 1.35 | 0.40 | 0.04 | 0.05 |
ASTM A572 Angle Steel Bar Mechanical Properties
| Item | Grade | Yield Point, min, ksi [MPa] | Tensile Strength, min, ksi [MPa] |
|---|---|---|---|
| A572 Steel Angle | 42 | 42 [290] | 60 [415] |
| 50 | 50 [345] | 65 [450] | |
| 55 | 55 [380] | 70 [485] |
ASTM A572 Angle Steel Bar Size
A572 equal angle steel specification
A572 unequal angle steel specification
A572 equal angle steel specification
| Item | Leg 1 (mm) | Leg 2 (mm) | Thickness (mm) | Weight (kg/m) | Item | Leg 1 (mm) | Leg 2 (mm) | Thickness (mm) | Weight (kg/m) |
| A572001 | 20 | 20 | 3 | 0.889 | A572045 | 80 | 80 | 7 | 8.525 |
| A572002 | 20 | 20 | 4 | 1.145 | A572046 | 80 | 80 | 8 | 9.658 |
| A572003 | 25 | 25 | 3 | 1.124 | A572047 | 80 | 80 | 10 | 11.874 |
| A572004 | 25 | 25 | 4 | 1.459 | A572048 | 90 | 90 | 6 | 8.35 |
| A572005 | 30 | 30 | 3 | 1.373 | A572049 | 90 | 90 | 7 | 9.656 |
| A572006 | 30 | 30 | 4 | 1.786 | A572050 | 90 | 90 | 8 | 10.946 |
| A572007 | 35 | 35 | 3 | 1.578 | A572051 | 90 | 90 | 10 | 13.476 |
| A572008 | 35 | 35 | 4 | 2.072 | A572052 | 90 | 90 | 12 | 15.94 |
| A572009 | 35 | 35 | 5 | 2.551 | A572053 | 100 | 100 | 6 | 9.366 |
| A572010 | 40 | 40 | 3 | 1.852 | A572054 | 100 | 100 | 7 | 10.83 |
| A572011 | 40 | 40 | 4 | 2.422 | A572055 | 100 | 100 | 8 | 10.276 |
| A572012 | 40 | 40 | 5 | 1.976 | A572056 | 100 | 100 | 10 | 15.12 |
| A572013 | 44 | 44 | 3 | 2.002 | A572057 | 100 | 100 | 12 | 17.898 |
| A572014 | 44 | 44 | 4 | 2.638 | A572058 | 100 | 100 | 14 | 20.611 |
| A572015 | 38 | 38 | 3 | 1.719 | A572059 | 100 | 100 | 16 | 23.257 |
| A572016 | 38 | 38 | 4 | 2.261 | A572060 | 110 | 110 | 7 | 11.928 |
| A572017 | 48 | 48 | 3 | 2.19 | A572061 | 110 | 110 | 8 | 13.532 |
| A572018 | 48 | 48 | 4 | 2.889 | A572062 | 110 | 110 | 10 | 16.69 |
| A572019 | 48 | 48 | 5 | 3.572 | A572063 | 110 | 110 | 12 | 19.782 |
| A572020 | 50 | 50 | 3 | 2.332 | A572064 | 110 | 110 | 14 | 22.809 |
| A572021 | 50 | 50 | 4 | 3.059 | A572065 | 125 | 125 | 8 | 15.504 |
| A572022 | 50 | 50 | 5 | 3.77 | A572066 | 125 | 125 | 10 | 19.133 |
| A572023 | 50 | 50 | 6 | 4.465 | A572067 | 125 | 125 | 12 | 22.692 |
| A572024 | 56 | 56 | 3 | 2.624 | A572068 | 125 | 125 | 14 | 26.193 |
| A572025 | 56 | 56 | 4 | 3.446 | A572069 | 140 | 140 | 10 | 21.488 |
| A572026 | 56 | 56 | 5 | 4.251 | A572070 | 140 | 140 | 12 | 25.522 |
| A572027 | 56 | 56 | 6 | 6.568 | A572071 | 140 | 140 | 14 | 29.49 |
| A572028 | 63 | 63 | 4 | 3.907 | A572072 | 140 | 140 | 16 | 33.393 |
| A572029 | 63 | 63 | 5 | 4.822 | A572073 | 160 | 160 | 10 | 24.724 |
| A572030 | 63 | 63 | 6 | 5.721 | A572074 | 160 | 160 | 12 | 29.391 |
| A572031 | 63 | 63 | 8 | 7.469 | A572075 | 160 | 160 | 14 | 33.987 |
| A572032 | 63 | 63 | 10 | 9.151 | A572076 | 160 | 160 | 16 | 38.518 |
| A572033 | 70 | 70 | 4 | 4.372 | A572077 | 180 | 180 | 12 | 33.159 |
| A572034 | 70 | 70 | 5 | 5.397 | A572078 | 180 | 180 | 14 | 35.383 |
| A572035 | 70 | 70 | 6 | 6.406 | A572079 | 180 | 180 | 16 | 43.452 |
| A572036 | 70 | 70 | 7 | 7.398 | A572080 | 180 | 180 | 18 | 48.634 |
| A572037 | 70 | 70 | 8 | 8.373 | A572081 | 200 | 200 | 14 | 42.894 |
| A572038 | 75 | 75 | 5 | 5.818 | A572082 | 200 | 200 | 16 | 48.56 |
| A572039 | 75 | 75 | 6 | 6.905 | A572083 | 200 | 200 | 18 | 54.501 |
| A572040 | 75 | 75 | 7 | 7.976 | A572084 | 200 | 200 | 20 | 60.056 |
| A572041 | 75 | 75 | 8 | 9.03 | A572085 | 200 | 200 | 22 | 71.168 |
| A572042 | 75 | 75 | 10 | 11.089 | Length = 6 - 12 meters SS400 or Q235 | ||||
| A572043 | 80 | 80 | 5 | 6.211 | |||||
| A572044 | 80 | 80 | 6 | 7.376 | |||||
A572 unequal angle steel specification
| Item No. | Leg 1 (mm) | Leg 2 (mm) | Thickness (mm) | Weight (kg/m) | Item No. | Leg 1 (mm) | Leg 2 (mm) | Thickness (mm) | Weight (kg/m) |
| UEA572001 | 30 | 20 | 3 | 1.14 | UEA572045 | 100 | 50 | 6 | 6.98 |
| UEA572002 | 30 | 20 | 4 | 1.49 | UEA572046 | 100 | 50 | 8 | 9.16 |
| UEA572003 | 40 | 20 | 3 | 1.38 | UEA572047 | 100 | 50 | 10 | 11.3 |
| UEA572004 | 40 | 20 | 3 | 1.8 | UEA572048 | 100 | 65 | 7 | 8.96 |
| UEA572005 | 40 | 25 | 4 | 1.97 | UEA572049 | 100 | 65 | 8 | 10.2 |
| UEA572006 | 45 | 30 | 4 | 2.3 | UEA572050 | 100 | 65 | 9 | 11.3 |
| UEA572007 | 45 | 30 | 5 | 2.82 | UEA572051 | 100 | 65 | 10 | 12.5 |
| UEA572008 | 50 | 30 | 5 | 3.02 | UEA572052 | 100 | 75 | 7 | 9.52 |
| UEA572009 | 50 | 30 | 6 | 3.58 | UEA572053 | 100 | 75 | 8 | 10.8 |
| UEA572010 | 50 | 40 | 4 | 2.77 | UEA572054 | 100 | 75 | 9 | 12.1 |
| UEA572011 | 50 | 40 | 5 | 3.42 | UEA572055 | 100 | 75 | 10 | 13.3 |
| UEA572012 | 50 | 40 | 6 | 4.03 | UEA572056 | 100 | 75 | 11 | 14.6 |
| UEA572013 | 60 | 30 | 5 | 3.43 | UEA572057 | 100 | 75 | 12 | 15.8 |
| UEA572014 | 60 | 30 | 6 | 4.06 | UEA572058 | 120 | 80 | 8 | 12.4 |
| UEA572015 | 60 | 30 | 7 | 4.68 | UEA572059 | 120 | 80 | 10 | 15.3 |
| UEA572016 | 60 | 40 | 5 | 3.83 | UEA572060 | 120 | 80 | 12 | 18.2 |
| UEA572017 | 60 | 40 | 6 | 4.54 | UEA572061 | 130 | 65 | 8 | 12.1 |
| UEA572018 | 60 | 40 | 7 | 5.24 | UEA572062 | 130 | 65 | 10 | 14.9 |
| UEA572019 | 65 | 50 | 5 | 4.43 | UEA572063 | 130 | 65 | 12 | 17.7 |
| UEA572020 | 65 | 50 | 6 | 5.26 | UEA572064 | 130 | 75 | 8 | 12.7 |
| UEA572021 | 65 | 50 | 7 | 6.08 | UEA572065 | 130 | 75 | 10 | 15.7 |
| UEA572022 | 65 | 50 | 8 | 6.88 | UEA572066 | 130 | 75 | 12 | 18.6 |
| UEA572023 | 75 | 50 | 5 | 4.83 | UEA572067 | 130 | 90 | 10 | 17 |
| UEA572024 | 75 | 50 | 6 | 5.75 | UEA572068 | 130 | 90 | 12 | 20.1 |
| UEA572025 | 75 | 50 | 7 | 6.65 | UEA572069 | 150 | 75 | 9 | 15.7 |
| UEA572026 | 75 | 50 | 8 | 7.53 | UEA572070 | 150 | 75 | 10 | 17.4 |
| UEA572027 | 75 | 50 | 9 | 8.4 | UEA572071 | 150 | 75 | 11 | 18.9 |
| UEA572028 | 75 | 55 | 5 | 5.04 | UEA572072 | 150 | 75 | 12 | 20.6 |
| UEA572029 | 75 | 55 | 7 | 6.93 | UEA572073 | 150 | 90 | 10 | 18.6 |
| UEA572030 | 75 | 65 | 6 | 6.49 | UEA572074 | 150 | 90 | 12 | 22 |
| UEA572031 | 75 | 65 | 8 | 8.48 | UEA572075 | 150 | 90 | 15 | 27.1 |
| UEA572032 | 75 | 65 | 10 | 10.5 | UEA572076 | 150 | 100 | 10 | 19.3 |
| UEA572033 | 80 | 40 | 6 | 5.51 | UEA572077 | 150 | 100 | 12 | 23 |
| UEA572034 | 80 | 40 | 8 | 7.21 | UEA572078 | 150 | 100 | 14 | 26.6 |
| UEA572035 | 80 | 60 | 6 | 6.49 | UEA572079 | 160 | 80 | 10 | 18.5 |
| UEA572036 | 80 | 60 | 7 | 7.5 | UEA572080 | 160 | 80 | 12 | 22 |
| UEA572037 | 80 | 60 | 8 | 8.48 | UEA572081 | 160 | 80 | 14 | 25.4 |
| UEA572038 | 80 | 65 | 6 | 6.73 | UEA572082 | 200 | 100 | 10 | 23.4 |
| UEA572039 | 80 | 65 | 8 | 8.82 | UEA572083 | 200 | 100 | 12 | 27.8 |
| UEA572040 | 80 | 65 | 10 | 10.9 | UEA572084 | 200 | 100 | 15 | 34.4 |
| UEA572041 | 90 | 65 | 6 | 7.22 | UEA572085 | 250 | 90 | 10 | 26.6 |
| UEA572042 | 90 | 65 | 7 | 8.32 | Material: ASTM A572 Length = 6 - 12 meters | ||||
| UEA572043 | 90 | 65 | 8 | 9.44 | |||||
| UEA572044 | 90 | 65 | 10 | 11.7 | |||||
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Processing Services
Royal Steel Group provides comprehensive value-added processing services to meet your project requirements and reduce on-site fabrication time.
Custom Cutting – Precision cutting to required lengths and dimensions.
CNC Drilling – Accurate hole drilling based on engineering drawings.
Punching – Standard and custom hole patterns for easy installation.
Welding & Fabrication – Professional welding for structural assemblies and customized components.
Hot-Dip Galvanizing – Long-lasting corrosion protection for outdoor and harsh environments.
Painting & Anti-Corrosion Coating – Primer, epoxy, zinc-rich, or customized coating systems.
Beveling & Edge Preparation – Prepared edges for welding and fabrication requirements.
Laser Marking – Part identification and project labeling for easier installation.
Assembly & Trial Fit – Pre-assembly inspection to ensure accurate installation on site.
OEM & Custom Manufacturing – Fabrication according to customer drawings, specifications, or project standards.
Main Application
ASTM A572 Structural Steel Angle is widely used in heavy-duty structural projects where high strength, durability, and reliable performance are required.
Steel Structure Buildings – Columns, bracing, roof frames, and structural supports.
Industrial Plants – Equipment supports, maintenance platforms, and factory structures.
Commercial Buildings – Office buildings, shopping centers, and public facilities.
Bridges – Truss members, connection components, and bridge reinforcement.
Power Transmission Towers – High-strength angle members for transmission and distribution lines.
Telecommunication Towers – Tower frames, antenna supports, and communication infrastructure.
Warehouses & Logistics Centers – Structural framing, mezzanines, and storage systems.
Mining & Energy Projects – Conveyor supports, equipment frames, and processing facilities.
Oil & Gas Facilities – Pipe racks, offshore structures, and refinery support systems.
Infrastructure Construction – Airports, railway stations, ports, and municipal engineering projects.
Agricultural Buildings – Barns, livestock shelters, and grain storage facilities.
Machinery & Equipment Manufacturing – Machine frames, support brackets, and heavy equipment fabrication.
Why Choose Royal Steel Group?
Reliable Steel Supply
We have established long-term cooperative relationships with the world’s top steel mills, enabling us to supply our global customers with stable products, consistent quality, and competitive prices.
Strict Quality Control
Every order undergoes comprehensive quality inspection, including dimensional checks, chemical composition analysis, and mechanical property testing, to meet international standards.
Compliant with International Standards
The products meet the following standards: ASTM, EN, JIS, BS, AS and GB. Certificates of mill tests and third party inspection reports are available upon request.
Custom Processing Services
You can get solutions tailor-made to your requirements like cutting, drilling, punching, welding, galvanizing, painting and fabrication customized services for your specific projects.
Fast Production and Delivery
Good production management and strong logistics support allow us to produce and deliver products to you on time and keep your projects moving.
Packaging & Shipping
Our Angle Bars are securely bundled with steel straps and protected with waterproof materials to prevent moisture, scratches, and corrosion during transportation. Products are packaged according to seaworthy export standards, ensuring safe delivery for container and bulk shipments. With flexible logistics solutions and global shipping support, we provide timely and reliable delivery to meet international project requirements.
FAQ
Q1: What is the difference between ASTM A572 and ASTM A36 angle steel?
ASTM A572 offers significantly higher yield strength and better structural performance than ASTM A36, making it ideal for heavier load-bearing applications.
Q2: Which grade is most commonly used?
ASTM A572 Grade 50 is the most widely used grade for commercial buildings, bridges, industrial plants, and steel structures.
Q3: Can you provide galvanized steel angles?
Yes. We offer hot-dip galvanized ASTM A572 structural angles for outdoor and corrosive environments.
Q4: Can you manufacture according to drawings?
Yes. We provide customized cutting, drilling, welding, punching, and fabrication based on customer drawings.
Q5: Do you provide mill test certificates?
Yes. MTC EN10204 3.1, SGS, BV, and other third-party inspection reports are available upon request.
Q6: What is your delivery time?
Standard stock products are generally shipped within 7–15 days, while customized orders are usually completed within 20–30 working days depending on quantity.
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