ASTM A572 GR50 3/8" Carbon Steel Plate

A ASTM A572 Gr 50 3/8" carbon steel plate(9.50mm / 10mm) is ahot rolled thick platehigh strength and low alloy (HSLA – High Strength Low Alloy), manufactured according to American standardsASTM A572 / A572M – Grade 50This material is widely used in metal structures and industrial applications that require excellent mechanical strength, superior weldability and reliable performance under static and dynamic stresses.

Technical description of ASTM A572 Gr 50 3/8" sheet

With a thickness of9.50 mm, theASTM A572 Gr 50 platecombines high mechanical strength with good ductility, allowing for reduced structural weight without compromising design integrity. Its refined ferritic-pearlitic microstructure providesgreat balance between strength, conformability and toughness, making it ideal for use in large metal equipment and structures.

Mechanical properties and chemical composition

• Standard: ASTM A572 / A572M – Grade 50
• Nominal thickness:3/8" (9.50 mm)
• Yield strength (Fy):≥ 345 MPa
• Tensile strength (Fu):450 – 620 MPa
• Minimum stretch:18%
• Modulus of elasticity:200 GPa
• Density:7.85 g/cm³
• Typical chemical composition (%): C ≤ 0.23 | Mn 0.60–1.35 | Si ≤ 0.40 | P ≤ 0.04 | S ≤ 0.05 | Cu ≥ 0.20

Main features and advantages

• High structural strength:enables lighter and more economical constructions without compromising safety.
• Excellent weldability:low carbon content and good toughness ensure safe and uniform welds.
• Good conformability:suitable for cutting, bending, chamfering, calendering and industrial trimming.
• Compatibility with galvanizing and painting:protects against corrosion and extends the life of the structure.
• Certification and traceability:provided with original reports from the plantsCSN e Usiminas.

ASTM A572 Gr 50 3/8" Sheet Applications

A ASTM A572 Gr 50 3/8" steel plateIt is widely used in structural, civil and industrial projects that require strength and reliability:

• Metal bridges, viaducts and walkways
• Metal structures for buildings and industrial warehouses
• Platformsoffshoreand naval
• Mining and cargo transportation equipment
• Agricultural and road implements
• Transmission towers and wind energy
• Tanks, silos and welded structures for heavy boilermaking

International equivalences and correspondences

• Europe:EN 10025 S355J2 / S355JR
• Germany:DIN 17100 St 52-3 N
• Japan:JIS SM490A
• Observation:ASTM A572 Gr 50 is a HSLA and non-weathering structural steel.

Improvements and customization

A PurchaseprovidesASTM A572 Gr 50 3/8" platesin custom cut with services ofCNC plasma, oxyfuel, bending, chamfering and calendering. All processes follow strict standards of dimensional accuracy and complete batch tracking, ensuring technical reliability and superior quality.

Quality control and certification

AllASTM A572 Gr 50 plateshavequality and traceability certification of the CSN and Usiminas plants. Each batch is accompanied by chemical and mechanical reports issued in accordance with ASTM standard requirements, ensuring performance and safety in critical structural applications.

Why buy from Compraço

• National distribution with agile deadlines;
• Large stock of ASTM A572 Gr 50 thick plates;
• Specialized technical assistance in structural steels;
• Original plant reports (CSN / Usiminas);
• Excellent value for money and after-sales support.

Frequently asked questions

Is ASTM A572 Gr 50 a weathering steel?

No. TheASTM A572 Gr 50It is a high-strength, low-alloy structural steel designed for mechanical and structural applications. For weathering steels, ASTM A588 or SAC 350 are used.

Can this sheet be galvanized or painted?

Yes. TheASTM A572 Gr 50 steelIt is fully compatible with industrial painting and hot-dip galvanizing processes, providing greater corrosion protection and extended service life.

Do you do custom cutting?

Yes. APurchasesupplies ASTM A572 Gr 50 3/8" sheets with custom cutting and high-standard industrial finishing.

Search ASTM A572 Gr 50 3/8" carbon steel plate(9.50 mm) with certified quality and immediate delivery?Talk toPurchase— a reference in structural steel in Brazil — and guarantee specialized technical support and the best conditions for your project.