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Stainless Steel Angles - ASTM Certified Mill Direct Manufacturer
China
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 Stainless Steel Angles
| Property | Parameter | Description |
|---|---|---|
| Product Name | Stainless Steel Angles | Hot-rolled or laser-fused equal/unequal leg angle bars |
| Material Grade | 304/304L, 316/316L, 321, 310S | Equivalent to EN 1.4301/1.4307, 1.4401/1.4404, JIS SUS304/SUS316 |
| Standard Compliance | ASTM A276/A484, EN 10056, GB/T 706 | International structural and dimensional standards for stainless steel angles |
| Carbon (C) | ≤ 0.08% (304), ≤ 0.03% (304L/316L) | Low carbon variants improve intergranular corrosion resistance |
| Chromium (Cr) | 18.0–20.0% (304), 16.0–18.0% (316) | Primary element for corrosion resistance and passivation layer formation |
| Nickel (Ni) | 8.0–10.5% (304), 10.0–14.0% (316) | Enhances ductility, toughness, and austenitic structure stability |
| Molybdenum (Mo) | 2.0–3.0% (316/316L) | Improves pitting and crevice corrosion resistance in chloride environments |
| Tensile Strength | ≥ 515 MPa (304), ≥ 485 MPa (316) | Per ASTM A276 minimum requirements |
| Yield Strength | ≥ 205 MPa (304), ≥ 170 MPa (316) | 0.2% offset yield strength per ASTM A276 |
| Elongation | ≥ 40% (304), ≥ 40% (316) | Measured on 50 mm gauge length, indicating excellent formability |
| Size Range – Equal Leg | 20×20×3 mm to 200×200×24 mm | Standard equal leg angle profiles; custom sizes available on request |
| Size Range – Unequal Leg | 30×20×3 mm to 200×150×18 mm | Unequal leg configurations for asymmetric load applications |
| Length | 6 m, 9 m, 12 m or cut-to-length | Standard mill lengths; custom cutting service available |
| Surface Finish | Hot-rolled (No.1), pickled, shot-blasted, polished | Additional finishes such as 2B, BA, or mirror polish upon request |
| Application | Structural framing, chemical plants, food processing, marine equipment | Widely used in construction, petrochemical, pharmaceutical, and architectural projects |
| Certification | ISO 9001, EN 10204 3.1 MTC, PED, NACE MR0175 | Mill test certificates provided with each shipment |
| Packaging | Bundled with steel strips, waterproof paper, wooden crates | Seaworthy export packaging; custom packing per buyer requirements |
| MOQ | 1 metric ton | Smaller quantities negotiable for special grades or sizes |
Stainless Steel Angles - ASTM Certified Mill Direct Manufacturer
Stainless steel angles are among the most versatile structural profiles used across construction, industrial fabrication, and architectural applications worldwide. As an ASTM-certified mill direct manufacturer, we produce premium-grade stainless steel angle bars that meet rigorous international standards including ASTM A276, ASTM A484, and EN 10088. Our vertically integrated production facility enables us to deliver superior quality angles at cost-effective mill-direct rates, eliminating intermediary markups while maintaining strict dimensional tolerances. Whether you require equal leg or unequal leg configurations, hot-rolled or laser-fused profiles, our comprehensive inventory and custom manufacturing capabilities ensure your project specifications are met with precision and reliability.
What Is Stainless Steel Angle?
A stainless steel angle is an L-shaped structural profile formed by two legs joined at a 90-degree vertex. Manufactured through hot rolling or laser fusion welding processes, these profiles combine the inherent corrosion resistance of stainless steel alloys with excellent structural load-bearing capacity. Available in equal leg configurations (e.g., 50mm × 50mm) and unequal leg configurations (e.g., 75mm × 50mm), stainless steel angles serve critical roles as structural supports, frame reinforcements, edge protectors, and decorative trim elements in environments demanding long-term durability against moisture, chemicals, and elevated temperatures.
Stainless Steel Angle Technical Specifications
Our stainless steel angles are manufactured to exacting standards across multiple grades and dimensions to satisfy diverse engineering requirements.
| Parameter | Specification |
|---|---|
| Common Grades | 304/304L, 316/316L, 321, 310S, 2205 Duplex |
| Leg Size Range | 20mm × 20mm to 200mm × 200mm (equal); 30mm × 20mm to 200mm × 150mm (unequal) |
| Thickness Range | 2mm – 25mm |
| Length | 6m, 12m standard; custom lengths available |
| Tensile Strength (304) | 515 MPa minimum per ASTM A276 |
| Yield Strength (304) | 205 MPa minimum |
| Density (304) | 7.93 g/cm³ at 20°C |
| Surface Finish | Mill finish, No.1, pickled, polished (No.4, BA, mirror) |
| Tolerances | Per ASTM A484 / EN 10056-2 |
| Production Method | Hot-rolled, laser-fused |
Grade 304 stainless steel angles offer outstanding anti-corrosion properties suitable for general-purpose structural and architectural use, with a maximum carbon content of 0.08% and chromium content of 18%–20%. For marine environments or chemical processing facilities requiring enhanced resistance to chloride pitting, our 316L angles contain 2%–3% molybdenum and maintain a low carbon content of 0.03% maximum, significantly reducing susceptibility to intergranular corrosion after welding.
Applications of Stainless Steel Angle Bars
Stainless steel angles find extensive application across industries where structural integrity and corrosion resistance are non-negotiable. In construction and architecture, they serve as structural framing members, curtain wall supports, and decorative corner trims. The food and pharmaceutical sectors utilize electropolished angles for hygienic equipment frames that withstand repeated CIP (clean-in-place) washdowns. In petrochemical plants, 316L and duplex 2205 angles provide reliable performance in high-chloride, high-temperature piping support systems operating at temperatures up to 300°C. Marine infrastructure, wastewater treatment facilities, and power generation plants also rely on these profiles for long service life with minimal maintenance.
Get a Competitive Quote for Stainless Steel Angles
As a mill direct manufacturer with over 50,000 metric tons of annual production capacity, we deliver premium stainless steel angles at competitive pricing with reliable lead times. Our technical team is ready to assist with grade selection, custom sizing, and project-specific certification requirements.
- 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!
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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.
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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
