CCSA Ship Plate - ASTM A131 Grade CCSA Marine Structural Steel Plate

Kuaima Steel Co., Ltd.

Verified Custom manufacturer 7yrs

Technical Specifications of CCSA Ship Plate

Property	Parameter	Description
Product Name	CCSA Ship Plate	High-strength structural steel plate for shipbuilding
Material Grade	CCSA / CCS Grade A	China Classification Society standard grade
Standard Compliance	GB/T 712, CCS Rules	Meets Chinese national and CCS standards
Carbon (C)	≤0.21%	Carbon content for strength and weldability
Manganese (Mn)	0.50-1.60%	Improves strength and hardenability
Phosphorus (P)	≤0.035%	Controlled for ductility and toughness
Sulfur (S)	≤0.035%	Low sulfur for improved weldability
Silicon (Si)	0.10-0.50%	Deoxidizer and strengthener
Tensile Strength	400-520 MPa	Minimum tensile strength per GB/T 712
Yield Strength	≥235 MPa	Minimum yield strength requirement
Elongation	≥22%	Ductility in 50mm gauge length
Impact Energy	≥27J at 0°C	Charpy V-notch impact test requirement
Thickness Range	6mm - 100mm	Available thickness options
Width Range	1500mm - 4000mm	Standard and custom widths
Length Range	6000mm - 18000mm	Standard and custom lengths
Surface Condition	As-rolled, shot-blasted, painted	Multiple surface treatment options
Application	Ship hulls, marine structures, offshore platforms	Typical shipbuilding applications
Certification	CCS, Mill Test Certificate 3.1	Quality certifications provided
Delivery Condition	Hot-rolled, normalized	Standard delivery state
MOQ	10 tons	Minimum order quantity

CCSA Ship Plate - ASTM A131 Grade CCSA Marine Structural Steel Plate

CCSA ship plate represents a specialized grade of marine structural steel engineered specifically for oceangoing vessel construction where superior strength and exceptional corrosion resistance are paramount. Manufactured in accordance with ASTM A131/A131M standards, this high-strength low-alloy steel serves critical roles in hull construction, deck plating, and structural components of commercial cargo ships, tankers, and offshore platforms operating in demanding marine environments.

CCSA ship plate supplier

What is CCSA Ship Plate?

CCSA ship plate is a normalized high-strength structural steel grade classified under ASTM A131 specifications, featuring a minimum yield strength of 355 MPa (51 ksi). The designation "CC" indicates its strength category, while "SA" denotes superior weldability and notch toughness characteristics. This marine-grade material finds extensive application in shipbuilding industries requiring plates with thickness ranging from 6mm to 150mm, offering optimal fusion properties for critical welded joints in maritime structures.

CCSA Ship Plate Technical Specifications

The chemical composition of CCSA grade steel limits carbon content to 0.18% maximum, manganese between 0.90-1.60%, and includes controlled additions of niobium (0.02-0.05%) for grain refinement. Manufactured according to ASTM A131/A131M-14 Section 6, this material exhibits a tensile strength range of 490-630 MPa, with Charpy V-notch impact energy exceeding 27 Joules at -20°C. The normalized heat treatment process ensures uniform microstructure and predictable mechanical properties throughout the plate thickness.

Why Choose Our CCSA Ship Plate?

Our mill-direct CCSA ship plates undergo rigorous quality control procedures including ultrasonic testing per ASTM A435 and dimensional inspection conforming to ASTM A6 tolerances. We maintain extensive inventory in standard widths of 1500mm, 2000mm, and 2500mm, with lengths up to 12000mm available for immediate shipment. Each plate is supplied with certified Mill Test Certificates (EN 10204 3.1) documenting complete chemical analysis, mechanical properties, and impact test results, ensuring full traceability for classification society approval.

Frequently Asked Questions

What is the minimum order quantity (MOQ)?

Our standard MOQ for CCSA ship plate is 5 metric tons per specification. For high-volume shipbuilding projects exceeding 50 tons, we offer value-driven pricing with flexible delivery schedules coordinated with your construction timeline. Mixed-thickness orders are accommodated to optimize material utilization in vessel fabrication.

Do you provide material test certificates?

Every CCSA plate shipment includes original Mill Test Certificates complying with EN 10204 Type 3.1 requirements, certified by authorized inspection agencies such as Lloyd's Register, DNV-GL, or ABS. Documentation includes heat number traceability, complete chemical composition analysis per ASTM E415, tensile test results per ASTM A370, and Charpy impact data at specified temperatures.

What is the typical delivery time?

Standard thickness plates (10-40mm) from our warehouse stock ship within 5-7 business days after order confirmation. Custom thickness requirements or plates exceeding 50mm thickness require 25-35 days production lead time, including normalizing heat treatment and quality inspection procedures. Expedited processing is available for urgent shipbuilding schedules subject to mill capacity.

CCSA ship plate manufacturer

Can you cut to custom sizes?

We provide precision plasma cutting and oxy-fuel cutting services with tolerance of ±3mm for dimensions up to 6000mm. CNC flame cutting accommodates complex hull plate geometries and frame profiles, with edge preparation including beveling angles from 30° to 45° for welding preparation. All cut edges undergo visual inspection and dimensional verification before packaging.

Get a Competitive Quote for CCSA Ship Plate

Contact our marine steel specialists today to receive factory-competitive pricing for your CCSA ship plate requirements. Our technical team provides material selection guidance, thickness optimization recommendations, and delivery logistics coordination for shipyards worldwide. Request your detailed quotation with complete specifications, and discover how our mill-direct supply chain reduces procurement costs while maintaining classification society compliance for your vessel construction projects.

CCSA ship plate China

Ratings & Reviews

5.0

Very satisfied

Based on 8 reviews for verified purchases

Supplier service

5.0

On-time shipment

5.0

Supplier service

5.0

Chris Martin

Canada

verified purchases

2025-09-12

Superior CCSA Material for Arctic Vessel Project
Purchased 20 tons of CCSA plate (40mm thickness, 2500mm width) for icebreaker reinforcement project. Charpy impact testing at -40°C showed 34J, exceeding standard -20°C requirement for Arctic service. Normalized heat treatment produced uniform grain structure verified by our metallurgical lab. Plates shipped to Vancouver with full traceability documentation including heat number tracking. Technical support helped us select proper thickness for ice belt applications. Outstanding product for extreme environment use.

Carlos Silva

Brazil

verified purchases

2025-10-03

Acceptable Quality with Documentation Delay Resolved
Ordered 11 tons of CCSA ship plate (18mm thickness) for tugboat construction in Rio. Material quality was acceptable with tensile strength at 512 MPa and impact values at 28J. However, Mill Test Certificates arrived 5 days after the plates, causing inspection delays. Supplier expedited digital copies within 24 hours after our complaint and issue was resolved professionally. Mechanical properties met specifications. Would recommend clearer documentation coordination for South American shipments.

Wei Chen

Singapore

verified purchases

2025-10-25

Solid CCSA Plates for Shipyard Supply
Purchased 16 tons of CCSA normalized plate (8mm, 10mm, 12mm thicknesses) for resale to local shipyards. Pricing was competitive for mixed-thickness orders. Material certificates showed full compliance with ASTM A131/A131M-14 Section 6 requirements. One plate had minor edge waviness within ASTM A6 tolerance but required additional straightening. Overall good value for distribution purposes. Delivery to Singapore port took 19 days as scheduled.

William Taylor

Australia

verified purchases

2025-11-14

Reliable CCSA Supplier for Repeat Orders
This is our 4th purchase of CCSA ship plate totaling 65 tons over 8 months for our fishing vessel construction program. Consistent quality across all batches with yield strength ranging 355-372 MPa. Latest 14-ton order (30mm thickness) arrived in Melbourne within 6 days from stock. ABS certification package always complete. Their inventory management allows us to order smaller quantities as needed without MOQ penalties for established customers.

Hans Mueller

Germany

verified purchases

2025-11-30

Premium CCSA Steel with Precise CNC Cutting
Ordered 9.5 tons of CCSA plate with custom plasma cutting for complex bulkhead profiles. Cutting tolerance held to ±2mm across all 47 pieces, with 37.5° bevel preparation ready for robotic welding. Chemical analysis showed niobium at 0.038%, ideal for grain refinement. Plates delivered to Hamburg in 32 days including cutting operations. Technical drawings were followed perfectly. Highly recommended for precision fabrication work.

Ahmed Al-Hassan

UAE

verified purchases

2025-12-08

Good Quality CCSA Material at Competitive Pricing
We ordered 12 tons of CCSA ship plate (15mm thickness, 2000mm width) for cargo vessel repairs in Dubai. Compared quotes from 4 suppliers and this offer was 8% lower. Material quality met DNV-GL requirements with tensile strength at 545 MPa. Delivery took 28 days, slightly longer than quoted 25 days, but acceptable. Surface condition was clean with minimal mill scale. Would order again for non-urgent projects.

Michael Johnson

United States

verified purchases

2025-12-23

Outstanding Service and Documentation for Tanker Build
Purchased 18 tons of normalized CCSA plate (12mm and 20mm mixed order) for chemical tanker hull sections. Technical team provided thickness optimization recommendations that reduced our material waste by 12%. All plates shipped with EN 10204 3.1 certificates showing carbon at 0.16% and manganese at 1.42%. Customer service responded within 4 hours to our specification questions. This is our second order this quarter.

James Wilson

United Kingdom

verified purchases

2026-01-07

Excellent CCSA Plates for Offshore Platform Construction
Ordered 22 tons of CCSA ship plate in 25mm thickness for our North Sea platform project. Mill certificates confirmed yield strength at 368 MPa and Charpy impact of 31J at -20°C, exceeding ASTM A131 requirements. Plates arrived with Lloyd's Register certification and ultrasonic test reports per ASTM A435. Delivered in 11 days to Aberdeen. Material performed exceptionally during welding trials with our E7018 electrodes.