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Competitive Prices ASTM A588 Steel I-Beams
| Brand Name | Royal |
| Technique | Hot Rolled |
| Application | Construction building |
| Processing Service | Bending, Welding, Punching, Cutting |
| Grade | A588 |
| Length | 6-12m |
| DELIVERY TIME | Within 10-15 Days |
| Payment Term | T/T (30% Deposit) |
| Size | 150x150x7x10mm, 300x300x10x15mm, 400x400x13x21mm |
| ASTM A588 steel beam chemical composition (heat analysis) | |||||||||
| Steel grade | Carbon, max, % | Manganese, % | Phosphorus, max, % | Sulfur, max, % | Silicon, % | Nickel, max, % | Chromium, % | Copper | Vanadium, % |
| A588 grade A | 0.19 | 0.80 - 1.25 | 0.04 | 0.05 | 0.30 - 0.65 | 0.4 | 0.40 - 0.65 | 0.25 - 0.40 | 0.02 - 0.10 |
| ASTM A588 steel beam mechanical property | |||||
| Steel grade | Styles | Tensile Sstrength, ksi [MPa] | Yield point, min, ksi [MPa] | Elongation in 8 in. [200 mm], min, % | Elongation in 2 in. [50 mm], min, % |
| A588 grade A | Steel angles | 70 [485] | 50 [345] | 18 | 21 |
| Item | Weight (kg/m) | Depth (mm) | Width (mm) | Web thickness (mm) | Flange thickness (mm) |
| IPE 80 | 6 | 80 | 46 | 3.8 | 5.2 |
| IPE 100 | 8.1 | 100 | 55 | 4.1 | 5.7 |
| IPE 120 | 10.4 | 120 | 64 | 4.4 | 6.3 |
| IPE 140 | 12.9 | 140 | 73 | 4.7 | 6.9 |
| IPE 160 | 15.8 | 160 | 82 | 5 | 7.4 |
| IPE 180 | 18.8 | 180 | 91 | 5.3 | 8 |
| IPE 200 | 22.4 | 200 | 100 | 5.6 | 8.5 |
| IPE 220 | 26.2 | 220 | 110 | 5.9 | 9.2 |
| IPE 240 | 30.7 | 240 | 120 | 6.2 | 9.8 |
| IPE 270 | 36.1 | 270 | 135 | 6.6 | 10.2 |
| IPE 300 | 42.2 | 300 | 150 | 7.1 | 10.7 |
| IPE 330 | 49.1 | 330 | 160 | 7.5 | 11.5 |
| IPE 360 | 57.1 | 360 | 170 | 8 | 12.7 |
| IPE 400 | 66.3 | 400 | 180 | 8.6 | 13.6 |
| IPE 450 | 79.1 | 450 | 190 | 9.4 | 14.6 |
| IPE 500 | 90.7 | 500 | 200 | 10.2 | 16 |
| IPE 550 | 106 | 550 | 210 | 11.2 | 17.2 |
| IPE 600 | 124.4 | 600 | 220 | 12 | 19 |
| Item | Weight (kg/m) | Depth (mm) | Width (mm) | Web thickness (mm) | Flange thickness (mm) |
| IPN 80 | 5.9 | 80 | 42 | 3.9 | 5.9 |
| IPN 100 | 8.3 | 100 | 50 | 4.5 | 6.8 |
| IPN 120 | 11.1 | 120 | 58 | 5.1 | 7.7 |
| IPN 140 | 14.3 | 140 | 66 | 5.7 | 8.6 |
| IPN 160 | 17.9 | 160 | 74 | 6.3 | 9.5 |
| IPN 180 | 21.9 | 180 | 82 | 6.9 | 10.4 |
| IPN 200 | 26.2 | 200 | 90 | 7.5 | 11.3 |
| IPN 220 | 31.1 | 220 | 98 | 8.1 | 12.2 |
| IPN 240 | 36.2 | 240 | 106 | 8.7 | 13.1 |
| IPN 260 | 41.9 | 260 | 113 | 9.4 | 14.1 |
| IPN280 | 47.9 | 280 | 119 | 10.1 | 15.2 |
| IPN 300 | 54.2 | 300 | 125 | 10.8 | 16.2 |
| IPN320 | 61 | 320 | 131 | 11.5 | 17.3 |
| IPN 340 | 68 | 340 | 137 | 12.2 | 18.3 |
| IPN 360 | 76.1 | 360 | 143 | 13 | 19.5 |
Ready to discover more sizes?
Hot Rolled Black:Standard state
Hot-dip galvanizing: ≥85μm (compliant with ASTM A123), salt spray test ≥500h
Coating: Liquid paint was evenly sprayed onto the surface of the steel beam using a pneumatic spray gun.
| Category | Options | Description | MOQ | Lead Time | Inspection |
| Dimensions | Height (H), Width (B), Web Thickness, Flange Thickness, Length | Available in standard specifications or customized dimensions | 20 Tons | 7–15 Days | Dimensional accuracy and length tolerance |
| Surface Finish | Black Steel, Shot Blasted, Oiled, Painted, Hot-Dip Galvanized | Various surface treatments for corrosion protection and project requirements | 20 Tons | 10–20 Days | Surface quality and coating thickness inspection |
| Processing Services | Cutting, Drilling, Beveling, Welding, Prefabrication | Value-added fabrication according to customer drawings and specifications | 20 Tons | 15–30 Days | Drawing compliance and weld quality verification |
| Packaging & Marking | Custom Labels, Steel Bundling, End Protection, Waterproof Wrapping | Export-standard packaging for safe transportation and easy identification | 20 Tons | 3–7 Days | Packaging condition and marking inspection |
1. Bridge Construction
ASTM A588 I-Beams are widely used in highway bridges, railway bridges, and pedestrian bridges. Their weathering steel properties provide excellent atmospheric corrosion resistance, reducing maintenance costs and extending service life.
2. Industrial and Commercial Buildings
Used as primary structural members in factories, warehouses, power plants, and commercial buildings. A588 I-Beams offer high strength and durability, especially in exposed outdoor environments.
3. Transportation Infrastructure
Commonly applied in overpasses, sign support structures, transportation terminals, and utility structures where long-term corrosion resistance is required without frequent repainting.
4. Marine and Coastal Structures
Suitable for ports, docks, waterfront facilities, and coastal infrastructure. The alloying elements in A588 steel help improve resistance to harsh weather conditions, making it an economical choice for outdoor structural applications.
1) There are branches in the United States and Guatemala
2)5,000 tons of inventory ensures timely delivery.
3)We have complete export certifications to ensure safe export, and provide ISO 9001, CE, MEC, and other certificates.
Packaging
ASTM A588 I-Beams are produced with high strength steel strapping which are heat treated then tightly wrapped with waterproof cloth to prevent moisture and rust. Wooden blocks and reinforced ends are used to avoid the beam from bending and impact while transporting.Custom marking are available according to customer requirements.
Shipping
ASTM A588 I-Beams can be sent either in container or bulk vessel according to size of beam and quantity. The cargo is tightly packed and fastened for safe transportation. We support FOB, CFR, CIF and DDP terms, pre delivery inspection by third party like SGS, BV and TUV optional to guarantee product quality and compliance.
Q1: What is the advantage of ASTM A588 I-Beam compared to standard carbon steel I-Beams?
A: ASTM A588 contains alloying elements that form a protective rust-like patina, providing superior atmospheric corrosion resistance and reducing long-term maintenance costs.
Q2: Does ASTM A588 I-Beam require painting or galvanizing?
A: In many outdoor applications, A588 can be used unpainted due to its weathering properties. However, painting or additional coatings may be recommended for highly corrosive environments.
Q3: Is ASTM A588 I-Beam suitable for bridge and infrastructure projects?
A: Yes. Its high strength and excellent weather resistance make it a popular choice for bridges, transportation infrastructure, and other exposed structural applications.
Q4: Can you provide customized lengths and fabrication services?
A: Yes. We offer custom lengths, cutting, drilling, welding, beveling, and prefabrication services based on project drawings and specifications.
Q5: What documents and certifications can you provide?
A: We can supply Mill Test Certificates (MTC), packing lists, certificates of origin, and third-party inspection reports from SGS, BV, or TUV upon request.
Address
Bl20, Shanghecheng, Shuangjie Street, Beichen District, Tianjin, China
Phone
+86 13652091506




















