Shipbuilding Steel Plate for Sale - High-Strength Marine Grade ASTM A131

Tianjin TISCO International Trade Co., Ltd.

Verified Custom manufacturer · 5 yrs ·

China

Customizable Rock-bottom price

$740 1-49 ton Base price

$705 50-99 ton 4.7% off

$690 ≥100 ton 6.8% 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$ 740.00

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 Shipbuilding Steel Plate

Property	Parameter	Description
Product Name	Shipbuilding Steel Plate	Marine-grade structural steel for vessel construction
Material Grade	AH32, DH32, EH32, AH36, DH36, EH36	International marine steel grades per classification societies
Standard Compliance	ASTM A131, EN 10025-2, GB/T 712, JIS G3106	Meets major international shipbuilding standards
Carbon (C)	≤0.18%	Controlled carbon content for weldability
Manganese (Mn)	0.90-1.60%	Enhances strength and toughness
Phosphorus (P)	≤0.035%	Low phosphorus for improved ductility
Sulfur (S)	≤0.035%	Controlled for weldability and corrosion resistance
Silicon (Si)	0.10-0.50%	Deoxidizer and strength enhancer
Tensile Strength	440-570 MPa	Minimum tensile strength per ASTM A131
Yield Strength	≥315 MPa (AH32/DH32/EH32)	Minimum yield strength for Grade 32
Elongation	≥22%	Ductility in 50mm gauge length
Impact Toughness	≥34J at -20°C (Grade D/E)	Charpy V-notch impact energy
Thickness Range	6mm - 150mm	Available plate thickness options
Width Range	1500mm - 4000mm	Standard and custom widths
Length Range	6000mm - 18000mm	Standard and custom lengths
Surface Treatment	Shot blasting, primer coating	Surface preparation for corrosion protection
Application	Hull structure, deck, bulkhead, offshore platforms	Marine and offshore engineering applications
Certification	CCS, ABS, DNV-GL, LR, BV, RINA	Classification society certifications
Packaging	Steel strapping, waterproof covering	Standard export seaworthy packaging
MOQ	10 tons	Minimum order quantity

Shipbuilding Steel Plate for Sale - High-Strength Marine Grade ASTM A131

Shipbuilding steel plate for sale represents a specialized category of structural steel engineered specifically for marine vessel construction and offshore platform fabrication. These premium-grade plates deliver exceptional mechanical strength, superior corrosion resistance in harsh saltwater environments, and reliable weldability for critical hull construction. Designed to meet stringent classification society requirements, our marine-grade steel plates serve shipyards, naval contractors, and offshore engineering firms requiring certified materials for vessels operating in demanding oceanic conditions.

What is Shipbuilding Steel Plate for Sale?

Shipbuilding steel plate for sale comprises hot-rolled structural steel manufactured to exacting standards established by international maritime organizations. These plates undergo controlled rolling processes to achieve optimal grain structure, ensuring consistent mechanical properties throughout the thickness range. Certified to ASTM A131, Lloyd's Register, and DNV GL specifications, marine-grade steel plates feature enhanced impact toughness at low temperatures and proven resistance to seawater corrosion through specialized chemical compositions.

Shipbuilding Steel Plate for Sale Technical Specifications

Our marine-grade steel plates comply with ASTM A131/A131M-14 standards, available in grades A, B, D, E, AH36, DH36, and EH36. Typical yield strength ranges from 235 MPa for Grade A to 355 MPa for higher strength grades. Tensile strength spans 400-490 MPa for ordinary strength grades and 490-620 MPa for higher strength variants. Charpy V-notch impact testing confirms minimum energy absorption of 27 Joules at specified temperatures ranging from 0°C to -40°C depending on grade classification.

Why Choose Our Marine-Grade Steel Plates

Our shipbuilding steel plate inventory undergoes rigorous third-party inspection by classification societies including ABS, BV, and CCS. Each plate receives mill test certificates documenting complete chemical analysis and mechanical property verification. We maintain extensive stock in thicknesses from 6mm to 100mm, widths up to 3,500mm, and lengths reaching 18,000mm. Mill-direct sourcing enables cost-effective pricing while ensuring full traceability to certified steel mills holding ISO 9001:2015 and ISO 14001:2015 certifications.

Shipbuilding steel plate supplier

Frequently Asked Questions

What is the minimum order quantity (MOQ)?

Our standard minimum order quantity stands at 10 metric tons per specification. For specialized grades such as EH36 or DH40, we accommodate smaller quantities of 5 metric tons to support prototype vessel construction and repair projects. Mixed-grade orders combining different thicknesses can meet the 10-ton threshold collectively.

Do you provide material test certificates?

Every shipment includes original mill test certificates (MTC 3.1 per EN 10204) documenting chemical composition, mechanical properties, and heat treatment records. Classification society certificates from Lloyd's Register, DNV GL, or ABS accompany plates requiring third-party verification. Ultrasonic testing reports and impact test results are provided for grades requiring enhanced quality assurance.

Shipbuilding steel plate wholesale

What is the typical delivery time?

Stock items ship within 7-10 working days following order confirmation and payment receipt. Custom-rolled plates requiring specific dimensions or non-standard grades necessitate 35-45 days for production and quality inspection. Expedited processing is available for urgent vessel repair requirements, with priority scheduling reducing lead times to 20-25 days for most specifications.

Can you cut to custom sizes?

Our processing facility offers precision plasma cutting, oxy-fuel cutting, and water jet cutting services to customer-specified dimensions. Tolerance levels meet ±2mm for linear cuts and ±3mm for complex contours. Edge beveling for weld preparation, drilling, and countersinking services are available to reduce on-site fabrication requirements. CNC cutting from approved drawings ensures dimensional accuracy for complex hull plate geometries.

Get a Competitive Quote for Shipbuilding Steel Plate

Request a detailed quotation for marine-grade steel plates by submitting your specifications including grade designation, dimensions, quantity requirements, and delivery location. Our technical sales team provides comprehensive material recommendations aligned with your vessel classification requirements and project timeline. Contact us today to discuss volume pricing, material certifications, and logistics coordination for your shipbuilding project.

Shipbuilding steel plate China

Ratings & Reviews

4.5

Based on 8 reviews

5 5

4 2

3 1

2 0

1 0

Chris Martin

Canada

2025-08-27

Perfect Grade A Stock for Multiple Vessel Repairs

Procured 20 tons of Grade A shipbuilding steel plate in mixed thicknesses (6mm, 10mm, 12mm) for our vessel repair inventory in Vancouver. The supplier's flexibility with mixed-specification orders met our 10-ton MOQ while providing variety for different repair scenarios. All plates came with proper CCS classification certificates and complete traceability documentation. Delivery within 7 days from stock was impressive. We've used this material on 6 different repair projects over the past 3 months with consistent welding performance. Carbon content averaging 0.19% provides optimal balance for our fabrication requirements.

William Taylor

Australia

2025-09-19

Acceptable Quality with Documentation Delay

Ordered 12 tons of Grade D shipbuilding plate (14mm thickness) for our patrol boat project in Perth. Material quality met ASTM A131 specifications with proper Charpy impact values at 0°C. However, mill test certificates arrived 5 days after the steel delivery, causing minor project documentation delays. Supplier resolved this by expediting digital copies via email. Plates required additional surface preparation due to heavier mill scale than expected. Tensile strength at 445 MPa was within acceptable range. Once documentation issues were sorted, the material performed adequately during fabrication and welding operations.

Hans Mueller

Germany

2025-10-04

Solid AH36 Material with Acceptable Lead Time

Purchased 28 tons of AH36 grade plate (15mm thickness, 2800mm width) for our ferry construction project in Hamburg. Germanischer Lloyd certification provided. Yield strength tested at 361 MPa, meeting requirements. Delivery took 42 days, slightly longer than the 35-day estimate due to mill production scheduling. Material quality was good overall with consistent mechanical properties. Edge preparation service would improve value proposition. Pricing was reasonable for certified marine-grade material. The supplier's technical documentation was thorough, facilitating our internal quality approval process.