A36 Angle Steel - ASTM Certified Mill Direct Supplier
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 Ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
Product details
Technical Specifications of A36 Angle Steel
| Property | Parameter | Description |
|---|---|---|
| Product Name | A36 Angle Steel | Hot rolled structural steel angle bar, equal & unequal leg available |
| Material Grade | ASTM A36 | Equivalent to EN S275JR, JIS SS400, GB Q235B |
| Standard Compliance | ASTM A36 / A36M | Standard specification for carbon structural steel |
| Carbon (C) | ≤ 0.26% | Maximum carbon content per ASTM A36 |
| Manganese (Mn) | 0.60 - 0.90% | Enhances strength and hardenability |
| Phosphorus (P) | ≤ 0.04% | Controlled to ensure weldability |
| Sulfur (S) | ≤ 0.05% | Controlled to prevent hot shortness |
| Silicon (Si) | 0.15 - 0.40% | Deoxidizer, improves strength |
| Tensile Strength | 400 - 550 MPa (58 - 80 ksi) | Per ASTM A36 Section 6, Table 2 |
| Yield Strength | ≥ 250 MPa (36 ksi) | Minimum yield point per ASTM A36 |
| Elongation | ≥ 20% (200 mm gauge) | Indicates excellent ductility and formability |
| Angle Size Range | 20×20×3 mm - 200×200×24 mm | Equal leg; unequal leg sizes also available on request |
| Length | 6 m, 9 m, 12 m or customized | Cut-to-length service available |
| Surface Finish | Black / Hot-dip Galvanized / Painted | Galvanized per ASTM A123 upon request |
| Application | Construction, bridges, towers, machinery frames | Widely used in structural and general fabrication |
| Certification | Mill Test Certificate EN 10204 3.1 | ISO 9001, SGS, BV third-party inspection available |
| Packaging | Bundled with steel strips, waterproof paper wrapped | Seaworthy export packaging, tag marked per bundle |
| MOQ | 5 Metric Tons | Smaller quantities negotiable for trial orders |
A36 Angle Steel - ASTM Certified Mill Direct Supplier
A36 angle steel remains one of the most widely specified structural profiles in construction, manufacturing, and general fabrication worldwide. Designated under ASTM A36, this low-carbon structural steel angle delivers a reliable combination of weldability, machinability, and mechanical strength that engineers and project managers depend on for load-bearing frameworks, bracing systems, and support structures. As a mill-direct supplier with decades of experience in structural steel distribution, we provide A36 angle steel in a comprehensive range of sizes—from light-duty trim angles to heavy structural members—with full mill test certificates and traceable material documentation. Whether you are sourcing for a large-scale infrastructure project or a precision fabrication shop, our inventory and logistics network ensure rapid fulfillment at cost-effective, mill-direct rates.
What Is A36 Angle Steel?
A36 angle steel is an L-shaped structural profile manufactured from ASTM A36 low-carbon steel, one of the most common grades of hot-rolled structural steel in North America. The "A36" designation refers to a minimum yield strength of 36 ksi (250 MPa) and a tensile strength range of 58–80 ksi (400–550 MPa). Available in both equal-leg and unequal-leg configurations, A36 angle steel serves critical roles in structural framing, cross-bracing, shelf supports, trailer construction, and equipment mounting brackets. Its carbon content of approximately 0.26% maximum ensures superior weldability without the need for preheating in most standard thickness applications.
A36 Angle Steel Technical Specifications
All A36 angle steel supplied from our inventory conforms to the following verified specifications per ASTM A36/A36M:

| Property | Value |
|---|---|
| Standard | ASTM A36 / A36M |
| Yield Strength (min.) | 36 ksi (250 MPa) |
| Tensile Strength | 58–80 ksi (400–550 MPa) |
| Elongation (8 in. gauge) | 20% minimum |
| Carbon Content (max.) | 0.26% |
| Manganese Content | 0.60–0.90% |
| Density | 7.85 g/cm³ at 20°C |
| Equal Leg Sizes | 1" × 1" × 1/8" to 8" × 8" × 1" |
| Unequal Leg Sizes | 1.5" × 1" × 3/16" to 8" × 6" × 1" |
| Standard Lengths | 20 ft and 40 ft (custom cut available) |
| Surface Finish | Hot-rolled mill finish, optional galvanized or primed |
Each shipment is accompanied by EN 10204 Type 3.1 mill test certificates verifying chemical composition and mechanical properties. We also offer galvanized and primer-coated A36 angle steel for projects requiring enhanced corrosion protection in outdoor or marine-adjacent environments.
Key Applications of A36 Angle Steel
The versatile mechanical profile of A36 structural angle finds extensive application across multiple industries. In building construction, it serves as shelf angles, lintels, and connection brackets in steel-framed structures. Infrastructure projects rely on A36 angle for bridge cross-bracing, transmission tower members, and guardrail supports. In industrial manufacturing, fabricators use it for equipment frames, conveyor supports, and machinery bases. The grade's outstanding weldability—compatible with SMAW, GMAW, FCAW, and SAW processes—makes it a preferred choice for shops requiring efficient, high-throughput fabrication without specialized procedures.
Get a Competitive Quote for A36 Angle Steel
Partner with a trusted mill-direct supplier committed to premium-grade A36 angle steel at competitive pricing. Our dedicated structural steel team provides tailored solutions—from single-bundle orders to full-truckload project quantities—with fast turnaround and reliable global logistics.

- 24/7 customer support available
- Free samples for quality evaluation
- Competitive pricing for bulk orders
- Professional technical consultation
Contact us today to get your free quote within 24 hours!

Ratings & Reviews
Know your supplier
Factory Introduction
Hongji Profiles Co., Ltd. is a professional manufacturer and supplier specializing in the R&D, production and sales of high-quality steel profiles. With years of experience in the metallurgical industry, we have earned a solid reputation for reliability, precision and customer-centric service, providing global clients with premium steel profile solutions for diverse industrial and architectural needs.
Our core business covers a full range of steel profiles, including angle steel, channel steel, I-beams, H-beams, C-section steel, Z-section steel, flat steel and custom special steel profiles. These products are widely applied in building structures, bridges, transmission towers, industrial machinery, automotive components and shipping. We strictly control material selection, adopting high-quality steel grades such as S235JR, S355JR, SS400, A36 and Q355 series to ensure excellent mechanical properties, durability and corrosion resistance.
Customer visits
FAQ
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 Ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request