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3/8 A36 Steel Plate

3/8″ A36 Steel Plate

3/8-inch (approx. 9.5mm) thick A36 hot-rolled steel plate conforms to ASTM A36 standards, offering good weldability, formability, and moderate strength. With a yield strength of ≥250 MPa, it is widely used in structural components, machinery frames, equipment bases, and various load-bearing parts. It provides precise cutting tolerance and excellent flatness, making it a versatile carbon steel choice for industrial and construction applications.

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More Details About 3/8 A36 Steel Plate

The market price of 3/8-inch steel plate is affected by purchase volume, custom specifications, and supply and demand trends. The current mainstream quotations are as follows: Retail pricing is based on single sheets (regular 48×48 inches) with a unit price of approximately 567-590 US dollars; Bulk purchases (≥1 ton) are quoted per ton, ranging from 430-480 US dollars/ton; Weight-based pricing is 0.50-0.70 US dollars/pound, which is consistent with the theoretical weight conversion logic of 15.28 pounds/square foot.
Key price-influencing factors include: fluctuations in raw material (iron ore, scrap steel) costs, price surcharges for custom sizes (non-standard width and length), additional fees for secondary processing (cutting/bending), and logistics and transportation distance. For bulk purchases exceeding 5 tons, a 3%-5% negotiation margin is available. We welcome your inquiry!
  • Thickness: 3/8 inch
  • Regular Width: 48 inches, 60 inches (customizable to other widths on demand)
  • Regular Length: 96 inches, 120 inches, 240 inches (supports fixed-length cutting; maximum customizable length up to 480 inches)
  • Material Standard: Complies with ASTM A36 standard
  • Plate Flatness Tolerance: Flatness ≤ 0.125 inches
  • Theoretical Weight: 15.28 lbs/square foot (based on a steel density of 0.283 lbs/cubic inch)
  • Surface Quality: Hot-rolled pickled surface, smooth and flat, free of cracks, inclusions, scale and other defects
  • Processing Characteristics: Supports secondary processing such as plasma cutting, laser cutting, bending, welding, etc.
  1. Mechanical Strength: Yield strength ≥ 250MPa, tensile strength 400-550MPa, featuring excellent load-bearing and impact resistance, suitable for structural stress-bearing scenarios.
  2. Processing Performance: Exceptional weldability, supporting various welding methods such as arc welding and gas shielded welding; superior cold working performance, easy to cut, bend and stamp forming with low processing loss.
  3. Dimensional Accuracy: Thickness tolerance complies with ASTM A36 standard, flat plate surface without obvious defects, ensuring high assembly fit.
  4. Practical Characteristics: Carbon steel material offers good atmospheric corrosion resistance and high cost-effectiveness, with strong stability under normal temperature working conditions, no need for complex maintenance, and adaptable to general needs of multiple industries.
  1. Construction Engineering: Suitable for structural components such as workshop frames, floor bearing beams, and support columns. With stable mechanical properties, it ensures the load-bearing safety of buildings and adapts to the construction of the main structure of industrial and civil buildings.
  2. Machinery Manufacturing: Can be processed into equipment bases, machine tool accessories, conveyor mechanical supports, etc. Relying on excellent processability, it achieves precise forming and meets the assembly and stress requirements of mechanical parts.
  3. Engineering Equipment: Used in construction machinery chassis, tower crane structural components, container skeletons, etc. Its impact resistance and easy welding characteristics adapt to outdoor complex working conditions, ensuring the stable operation of equipment.
  4. General Industry: Suitable for general components such as pipe supports, warehouse shelves, and steel structure platforms. With outstanding cost-effectiveness and versatility, it supports customizable processing on demand and covers the basic industrial needs of multiple industries.

Q：How strong is a 3/8 steel plate?

A：A 3/8-inch (9.525mm) thick A36 steel plate offers strength tailored to general industrial structural needs, with mechanical properties complying with ASTM A36 standards: yield strength ≥ 250MPa and tensile strength ranging from 400-550MPa. It can stably withstand longitudinal tension and transverse loads, boasting excellent impact resistance.
Under normal temperature conditions, this thickness of steel plate resists deformation from regular mechanical vibration and external extrusion. Welded joints maintain strength close to the base material without significant performance degradation. In scenarios like building load-bearing and mechanical support, it sustains static or dynamic loads long-term, retaining structural stability even after cold processing with no risk of fracture. As a versatile industrial material balancing strength and practicality, it fully meets load-bearing and structural safety requirements for most non-extreme working conditions.

Q：How much is a 4×8 sheet of 3/8 steel?

A：A 4×8 feet (approximately 1.22×2.44 meters) 3/8-inch (9.525mm) thick A36 steel plate has a current retail price of about 560-590 US dollars. Converted by weight (approximately 489.6 pounds / 0.222 tons), the unit price is consistent with the market trend of 0.50-0.70 US dollars per pound or 430-480 US dollars per ton.

The price is affected by procurement channels and additional services: direct purchase from steel mills or bulk purchases (≥5 tons) can enjoy a 3%-5% discount; secondary processing such as custom cutting and bending requires a 10%-20% surcharge; logistics costs are calculated by distance, with short-distance transportation about 20-50 US dollars per plate, and long-distance transportation needing additional calculation.
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