Steel Plates for Building Foundations - Mill Direct

Zhonghe Building Materials Co., Ltd.

Verified Custom manufacturer · 3 yrs ·

China

Customizable Rock-bottom price

$598 1-49 ton Base price

$572 50-99 ton 4.3% off

$559 ≥100 ton 6.5% off

Price validity: subject to market conditions

Supplier's customization ability

Drawing-based customization
Sample-based customization
Full customization

Quantity

Minimum order quantity: 1 ton

Shipping total: To be negotiated

Subtotal of goods US$ 598.00

Start order request

Payment and delivery

Payment:: by contract — deposit, balance after your inspection
Lead time:: confirmed with the quotation
Packaging:: standard export packing
Samples:: available on request

Product details

Technical Specifications of Steel Plates for Building Foundations

Property	Parameter	Description
Product Name	Steel Plates for Building Foundations	Structural steel plates designed for load-bearing foundation systems
Material Grade	A36 / A572 Gr.50 / S235JR / S355JR / Q235B / Q345B	International equivalents: A36≈S235JR≈Q235B; A572 Gr.50≈S355JR≈Q345B
Standard Compliance	ASTM A36 / ASTM A572 / EN 10025-2 / GB/T 700 / GB/T 1591	Meets international structural steel standards for foundation applications
Chemical Composition (C)	≤0.26% (A36) / ≤0.23% (A572 Gr.50)	Low carbon content ensures good weldability and ductility
Chemical Composition (Mn)	0.80–1.20% (A36) / 1.35% max (A572 Gr.50)	Manganese enhances strength and toughness
Chemical Composition (P / S)	P ≤0.04% / S ≤0.05%	Controlled phosphorus and sulfur for improved impact resistance
Chemical Composition (Si)	≤0.40%	Silicon content supports deoxidation and strength
Tensile Strength	400–550 MPa (A36) / 450–620 MPa (A572 Gr.50)	Per ASTM A36 / ASTM A572; sufficient for heavy structural loads
Yield Strength	≥250 MPa (A36) / ≥345 MPa (A572 Gr.50)	Minimum yield strength ensuring structural integrity under foundation loads
Elongation	≥20% (A36) / ≥18% (A572 Gr.50)	High elongation provides ductility and resistance to brittle fracture
Thickness Range	6 mm – 150 mm	Custom thicknesses available; common foundation plates: 20–80 mm
Width Range	1000 mm – 4500 mm	Wide plates available for large base plate and mat foundation applications
Length Range	2000 mm – 18000 mm	Cut-to-length service available per project requirements
Surface Finish	Hot-rolled (HR) / Blast-cleaned Sa2.5 / Primer coated	Surface treatment options to prevent corrosion in underground environments
Application	Column base plates, mat foundations, pile caps, anchor plates, retaining walls	Widely used in commercial, industrial, and infrastructure building foundations
Certification	Mill Test Certificate (MTC) per EN 10204 3.1 / 3.2; ISO 9001:2015	Full traceability documentation provided with each shipment
Packaging	Bundle with steel strips; waterproof paper / plastic film wrapping	Seaworthy packaging available for export; stacked on wooden pallets
MOQ	5 Metric Tons per grade/size	Mixed grades accepted; custom cutting and processing available

Steel Plates for Building Foundations - Mill Direct

Steel plates for building foundations serve as one of the most critical structural components in modern civil and commercial construction, providing the load-bearing capacity and dimensional stability that deep foundation systems demand. Whether you are engineering a high-rise tower, an industrial warehouse, or a bridge abutment, the performance of your foundation steel directly determines the safety and longevity of the entire structure. Mill-direct supply eliminates intermediary markups, giving contractors and procurement teams access to certified plate stock at cost-effective rates without compromising on metallurgical integrity. Our inventory covers a broad range of thicknesses, from 6 mm up to 150 mm, and includes grades engineered to withstand compressive loads exceeding 250 MPa, aggressive soil chemistry, and cyclic seismic stress. Every plate ships with full mill test reports, third-party inspection options, and traceability documentation aligned with international construction standards, ensuring your project meets regulatory requirements from groundbreaking through final inspection.

What Are Steel Plates for Building Foundations?

Steel plates for building foundations are flat-rolled carbon or low-alloy steel products specifically selected and processed to anchor, reinforce, or form structural base elements in construction projects. They finds extensive application in base plates beneath steel columns, raft foundation reinforcement, pile cap connections, and shear transfer assemblies. Common certified grades include ASTM A36, ASTM A572 Grade 50, EN 10025 S355, and GB/T 700 Q235B, each chosen to match specific load and environmental conditions.

steel plates for building foundations supplier

Steel Plates for Building Foundations Technical Specifications

Our foundation-grade steel plates are produced to the following verified parameters:

Parameter	Specification
Available Grades	ASTM A36 / A572 Gr.50, EN S355JR, Q345B
Thickness Range	6 mm – 150 mm
Width Range	1,000 mm – 4,500 mm
Length Range	2,000 mm – 18,000 mm
Yield Strength (A572 Gr.50)	345 MPa minimum
Tensile Strength (A572 Gr.50)	450 – 620 MPa
Charpy Impact (S355JR)	27 J minimum at 20°C
Density	7.85 g/cm³ at 20°C
Surface Finish	Hot-rolled, shot-blasted, or primer-coated
Applicable Standards	ASTM A6, EN 10029, GB/T 709

All plates undergo ultrasonic testing per ASTM A578 or EN 10160 upon request, and dimensional tolerances are maintained within ±0.3 mm on thickness per EN 10029 Class B, ensuring precise fit-up during foundation assembly and reducing on-site fabrication time.

steel plates for building foundations manufacturer

Get a Competitive Quote for Steel Plates for Building Foundations

Partner with a mill-direct supplier that understands the precision and reliability your foundation projects require. We offer fast quotation turnaround, flexible cut-to-size processing, and logistics solutions for both domestic and international construction sites. Reach out now and receive a detailed, no-obligation proposal tailored to your exact grade, dimension, and volume 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!

steel plates for building foundations wholesale

Ratings & Reviews

4.5

Based on 8 reviews

5 5

4 2

3 1

2 0

1 0

Rachel M.

United Kingdom

2025-02-02

Initial width tolerance issue – fully resolved and redelivered

We ordered 30 tonnes of S355JR plates at 1,800 mm width and 25 mm thickness for raft foundation reinforcement in Manchester. On arrival, approximately 12 plates measured 1,812 mm width, outside the EN 10029 tolerance band we specified. We raised the non-conformance immediately. To their credit, the supplier acknowledged the issue within 24 hours, arranged collection, and delivered replacement plates within eight working days at no additional cost. The replacement batch was fully compliant. Quality control on the first batch should have caught this, but the after-sales response was professional. We are cautiously open to ordering again.

Fatima A.

UAE

2025-02-24

Competitive pricing on primer-coated plates for Dubai site

Sourced 70 tonnes of Q345B plates in 35 mm thickness with primer coating for a high-rise foundation project in Dubai Marina. The primer-coated finish was consistent and met our project specification for corrosion protection in saline soil conditions. Delivery to Jebel Ali Port took 26 days, which was slightly longer than the initial 22-day estimate due to vessel scheduling, though the supplier communicated the delay proactively. Mill certificates were compliant with our engineer's requirements. Pricing was competitive and the quotation was detailed and transparent. We would consider this supplier again for future UAE projects.

Oliver B.

Germany

2025-03-18

Good value EN S355JR stock, minor documentation delay resolved

We ordered 45 tonnes of EN S355JR plates at 40 mm thickness for a mixed-use development foundation in Frankfurt. Material quality was solid – tensile strength tested at 512 MPa and thickness tolerances met EN 10029 Class B. Our only issue was that the third-party inspection certificate arrived two days after the shipment departed, which caused a brief administrative hold at our end. The supplier resolved this by providing a digital pre-release copy going forward for all future orders. Price per tonne was around 8% below our previous European distributor. Overall a worthwhile sourcing decision.

Know your supplier

Zhonghe Building Materials Co., Ltd.

3 yrs on Sinoali.com

Located in China

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Zhonghe Building Materials Co., Ltd. is a professional industrial manufacturer and supplier focusing on high-quality building materials. We specialize in a full range of steel building materials, covering reinforcing steel bars, galvanized steel products, corrugated steel sheets, structural steel pipes and other related metal construction materials.

Equipped with advanced production lines and precision testing equipment, the company implements strict full-process quality control and holds authoritative industry qualification certificates. We maintain sufficient spot inventory, adopt standardized export packaging, and ensure stable delivery cycles to meet global customer demands.

Our products are widely applied in construction engineering, machinery manufacturing, shipbuilding, energy and infrastructure projects. Adhering to the principle of quality first and customer-oriented service, we are committed to providing reliable building material solutions and long-term stable cooperation for global clients.