Shipbuilding Plates

Shipbuilding Plates

Shipbuilding Plates are marine structural steel plates manufactured to international shipbuilding standards. Available in general-strength and high-strength grades, they provide excellent weldability, impact toughness, and structural reliability for ship hulls, offshore structures, decks, bulkheads, and marine engineering projects.
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Description
Technical Parameters

Product Overview

 

Shipbuilding Plates are marine structural steel plates manufactured to international shipbuilding standards. Available in general-strength and high-strength grades, they provide excellent weldability, impact toughness, and structural reliability for ship hulls, offshore structures, decks, bulkheads, and marine engineering projects.

 

China shipbuilding plates Distributors

China marine steel plate Manufacturers

 

Technical Specifications

 

Item

Specification

Product Grade

A, B, D, E, AH32, DH32, EH32, FH32, AH36, DH36, EH36, FH36, AH40, DH40, EH40, FH40

Standard

ASTM, EN, JIS, GB, ABS, LR, DNV, BV, CCS, NK, KR, RINA certified specifications

Available Thickness

5–150 mm

Available Width

1,500–4,000 mm

Available Length

3,000–18,000 mm

Delivery Condition

Hot Rolled (HR), Normalized (N), TMCP, Quenched & Tempered (selected grades)

Edge Type

Mill Edge (ME), Trimmed Edge (TE)

Surface Condition

As Rolled, Shot Blasted, Shop Primer (optional)

 

Typical Applications

Ship hull structures

 

Bulkheads

 

Upper decks

 

Hatch covers

 

Offshore platform structures

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CTL&SL
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Grinding Polishing
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Cutting
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Beveling
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Forming
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Maching
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Auto Welding
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Heat treatment
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Painting
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Engineering Services

CTL & SL SERVICE

Steel Plate Leveling Machine

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Processing Services

 

  • Flame cutting for custom plate dimensions and complex profiles.
  • Plasma cutting for high-precision components.
  • CNC machining for finished structural parts.
  • Edge milling and beveling for welding preparation.
  • Plate leveling to improve flatness before fabrication.
  • Drilling and hole processing according to drawings.
  • Shot blasting and shop primer coating for corrosion protection.

 

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Steel plate rolling

steel plate rolling services

Press Brake Forming

Press Brake Forming

Steel Plate Rolling

 

Quality Assurance

Inspection Process

 Raw material identification (PMI)


 Chemical composition analysis

Tensile strength test

Yield strength test

Elongation test

Charpy V-notch impact test

Ultrasonic Testing (UT)

Surface defect inspection

Dimensional inspection

Flatness inspection

Thickness measurement

Visual inspection before shipment

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Groove cutting robot

groove cutting machine

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V-type, Y-type, X-type and U-type grooves

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Certifications

 

Certification

Meaning

ISO 9001:2000

Quality Management System

ISO 14001:2004

Environmental Management System

ABS Approval

American Bureau of Shipping certification

DNV Approval

Det Norske Veritas marine certification

LR Approval

Lloyd's Register certification

BV Approval

Bureau Veritas certification

CCS Approval

China Classification Society certification

NK Approval

Nippon Kaiji Kyokai certification

KR Approval

Korean Register certification

RINA Approval

Italian Register of Shipping certification

Mill Test Certificate EN 10204 3.1

Manufacturer's inspection certificate with test results

 

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China shipbuilding steel plate Manufacturers

China steel plates for shipbuilding Manufacturers

 

Packaging & Shipping

 

Export Packing: Steel strips bundling, wooden spacers, reinforced edge protection, export-worthy packaging.


Rust Protection: Anti-rust oil, waterproof wrapping, PVC sheet or tarpaulin covering available.


Loading Method: Steel lifting belts or magnetic lifting equipment to prevent surface damage.


Container Loading: 20GP, 40GP, flat rack, or break bulk vessel according to plate size.


Shipping Method: Sea freight, multimodal transport, or customer-designated forwarder.


Marking: Heat number, grade, dimensions, purchase order number, and customer markings available.

 

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steel plate for 100,000 m³ ammonia storage tank

steel plate for 100,000 m³ ammonia storage tank

steel plate for 100,000 m³ ammonia storage tank

 

FAQ

 

Q: What is the difference between Grade A, D, E and F?

A: The main difference is impact test temperature. Grade A is tested at 20°C, B at 0°C, D at −20°C, E at −40°C, while F grades provide even lower-temperature toughness for demanding marine applications.

Q: What are the yield strengths of AH32, AH36 and AH40?

A: AH32: 315 MPa minimum, AH36: 355 MPa minimum, AH40: 390 MPa minimum.

Q: Can different grades and sizes be loaded in one shipment?

A: Yes. Mixed grades, thicknesses, and dimensions can be consolidated into one container.

Q: Do you keep shipbuilding plates in stock?

A: Common grades and standard thicknesses are regularly stocked for faster delivery, subject to inventory.

Q: What are the equivalent grades between different classification societies?

A: Equivalent grades can be supplied according to ABS, LR, DNV, BV, CCS, NK, KR, and RINA requirements based on approved specifications.

Q: Can the plates be cold formed and welded?

A: Yes. Shipbuilding plates offer good weldability and can be cold formed using appropriate fabrication procedures for the selected grade.

Q: Which export documents can you provide?

A: We can provide the Commercial Invoice, Packing List, Bill of Lading, Mill Test Certificate (EN 10204 3.1), Certificate of Origin, inspection reports, and other documents required for customs clearance.

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