Thick 1.1/4" Carbon Steel Sheet

A 1.1/4" carbon steel plate ASTM A36 (31.75 mm) is a hot-rolled thick plate, recognized for its combination of mechanical strength, ductility and excellent weldabilityManufactured in accordance with standards. ASTM A36 e NBR 6650It is widely used in metal structures, industrial foundations, bridges, tanks, and heavy engineering components. All the material has Certification and traceability guaranteed. of the plants CSN e Usiminas.

Technical characteristics of 1.1/4" A36 Carbon Steel Sheet

With a thickness of 31.75 mma A36 thick sheet It exhibits excellent formability, allowing cutting, bending, rolling, and welding without loss of structural strength. Its mechanical behavior under load offers high safety in critical structures, as the material deforms in a controlled manner before rupture—an essential characteristic for applications in civil and industrial engineering.

Mechanical and chemical properties

• Standard: ASTM A36 / NBR 6650
• Nominal thickness: 1.1/4" (31.75 mm)
• Yield point (Fy): ≥ 250 MPa
• Tensile strength (Fu): 400 – 550 MPa
• Minimum stretch: 20%
• Modulus of elasticity: 200 GPa
• Density: 7.85 g/cm³
• Typical chemical composition (%): C ≤ 0.26 | Mn 0.60–1.20 | Si ≤ 0.40 | P ≤ 0.04 | S ≤ 0.05

Main advantages of ASTM A36 structural steel

• High mechanical strength: It withstands heavy loads and stresses in structural applications.
• Controlled ductility: The material deforms before failure, increasing safety in metal constructions.
• Excellent weldability: Compatible with all major welding processes (MIG, TIG, electric arc and coated electrode).
• Ease of shaping: Ideal for industrial cutting, bending and machining.
• Certification and traceability: supplied with reports from the plants CSN e Usiminas.

Typical applications of 1.1/4" A36 steel sheet.

A A36 thick sheet metal, 31.75 mm It is widely used in segments that require reliable structural performance.

• Construction of metal bridges and walkways
• Machine bases and metal foundations
• Tanks and pressure vessels
• Industrial platforms and offshore structures
• Mining components and heavy equipment
• Metal buildings and structural columns

Customized processing and supply

A I'm buying it provides ASTM A36 plates Tailor-made industrial services that include:

• CNC cutting (plasma, oxyfuel and waterjet)
• Bending, rolling and technical chamfering
• Precision trimming and squaring
• Heavy machining and dimensional control

Quality control and certification

All A36 sheets are accompanied by chemical and mechanical reports according to ASTM A6 e NBR 6650, guaranteeing complete traceability of origin and compliance with international quality standards. The manufacturing process follows rigorous controls to ensure uniformity and structural performance across all thicknesses.

International standards and equivalencies

• Brazil: NBR 6650 / NBR 11888 / NBR 5915
• United States: ASTM A36
• Europe: EN 10025 S275JR
• Germany: DIN 17100 St 37-2
• Japan: JIS SS400

Why choose Compraço?

• Leading distributor in A36 structural thick plates with national stock;
• Direct partnership with CSN e Usiminas for certified supply;
• Specialized technical support and custom cutting;
• Complete quality control and traceability of origin;
• Best cost-benefit ratio and complete support for industrial customers.

Carbon Steel Plate 1.1/4" ASTM A36 Certified quality, proven performance, and reliable supply for a wide range of sectors in the metal construction and industrial industries. Consult us. I'm buying it and discover the best conditions for your project.