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CCS Grade EH32 Shipbuilding Steel Plate - Certified High-Strength Marine Steel

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The CCS EH32 shipbuilding steel plates we supply have been certified by the China Classification Society (CCS) and comply with the national standard GB/T 712. Designed specifically for extreme marine conditions, this product offers excellent yield strength and impact toughness at temperatures as low as -40°C, making it an ideal material for shipbuilding and offshore engineering. We offer TMCP or normalised heat treatment options and are open to third-party testing.

Certification :
CCS Rules
Standard :
GB/T 712
Grade :
CCS Grade EH32 (CCSEH32)
Thickness :
5.0 - 150.0 mm
Width :
1500.0 - 4000.0 mm
Length :
6000.0 - 18000.0 mm

Special thickness, width, and length can be negotiated separately.
We also provide customized processing services.If you have any questions, please contact us.

Overview

1. What is CCS EH32 Shipbuilding Steel Plate?

CCS EH32 shipbuilding steel plate is a high-strength, low-alloy structural steel for marine applications. Certified by the China Classification Society (CCS), it is suitable for critical structures in ships and offshore engineering projects operating in harsh marine environments, such as cold and polar regions. CCS EH32 shipbuilding steel plate offers excellent low-temperature toughness (-40°C), high strength, good weldability and corrosion resistance. It is widely used in high-stress critical areas of large bulk carriers, oil tankers, container ships, polar vessels and offshore platforms, effectively ensuring structural safety in harsh marine environments.

2. Meaning of the Designation

CCS: Certified by the China Classification Society

E: Quality Grade E (requiring impact toughness at -40°C)

H: High-strength steel

32: Minimum yield strength: 315 MPa (≈ 32 kgf/mm²)

Available Specifications and Dimensions

Product	CCS Grade EH32 Shipbuilding Steel Plate
Certification	CCS
Grade	EH32
Material Category	Heigh-Strength Structural Steel for Ship and Ocean Engineering
Thickness	5 - 150 mm
Width	1500 - 4000 mm
Length	6000 - 18000 mm
Delivery Conditions	Normalized (N), Thermo-Mechanical Controlled Processed (TMCP).
Surface Conditions	The surface is in its original condition; surface treatments such as sandblasting, rust removal, oiling and painting are available.
Testing	Tensile test, Charpy V-notch impact test, Ultrasonic testing (UT), Z-direction property test (Grades Z15/Z25/Z35), Dimensional inspection.
Applications	For high-stress critical areas on large bulk carriers, oil tankers, container ships, polar vessels and offshore platforms.
MOQ	50 tons (small orders can be negotiated).
Delivery Time	15 - 20 days after order confirmation (urgent orders accepted).
Packaging	Standard export packaging for sea freight (waterproof paper + steel strapping) or customised as required.
Country of Origin	China

Chemical Composition

Chemical Composition (Heat Analysis, wt %)

Grade	C	Si	Mn	P	S	Cu	Cr	Ni	Nb	V	Ti	Mo	Als
CCS EH32	≤ 0.18	≤ 0.50	0.90 - 1.60	≤ 0.025	≤ 0.025	≤ 0.35	≤ 0.20	≤ 0.40	0.02 - 0.05	0.05 - 0.10	≤ 0.02	≤ 0.08	≥ 0.015

Carbon Equivalent (wt %)

Thickness (mm)	5 - 50	50 - 150
Typical CEV (wt %)	≤ 0.36	≤ 0.38

Calculation formula (IIW): CEV = C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15

Mechanical Properties

Tensile Test

Grade	Yield Strength (ReH), MPa	Tensile Strength (Rm), MPa	Elongation (A), %
CSS EH32	≥ 315	450 - 570	≥ 22

Charpy (V-notch) Impact Test

Grade	Thickness, mm	Temperature, ℃	Impact Energy, KV₂ / J
Grade	Thickness, mm	Temperature, ℃	Longitudinal	Transverse
CCS EH32	≤ 50	- 40	≥ 31	≥ 22
	> 50 - 70	- 20	≥ 38	≥ 26
	> 70 - 150	- 20	≥ 46	≥ 31

Applications

1. Shipbuilding

Hull structures, decks, bulkheads, keels and frames for bulk carriers, oil tankers, container ships and general cargo ships.

Critical structural components for vessels operating in cryogenic and harsh marine environments.

2. Offshore Engineering

Offshore oil and gas platforms, jacket structures, decks and living quarters.

Offshore wind power infrastructure, cross-sea bridges and other offshore engineering equipment.

Fixed offshore platforms and floating production facilities.

3. Other Applications

Ship repair, heavy marine equipment, and structural components requiring high strength and excellent low-temperature toughness.

FAQ

# 1Q:What are the delivery conditions for CCS EH32 shipbuilding steel plates?

The steel plates are typically supplied in a TMCP (Thermomechanically Controlled Process) or normalised condition, designed to ensure they meet the required low-temperature toughness specifications.

# 2Q:Does your CCS EH32 shipbuilding steel plate support third-party inspection?

Yes, all our shipbuilding steel plates are subject to official third-party inspections by organisations such as SGS. All inspection costs and testing procedures are negotiable in accordance with the customer’s requirements.

# 3Q:Is CCS EH32 shipbuilding steel suitable for use in extremely low-temperature environments?

Yes. As a Grade E high-strength structural steel for marine applications, CCS EH32 shipbuilding steel plate has undergone Charpy V-notch impact testing at -40°C. For applications requiring even lower temperatures, we can supply plates certified for impact toughness at -60°C upon request.

# 4Q:What is the difference between CCS DH32 and EH32?

The main difference between the two lies in the temperature at which the impact toughness test is conducted.

CCS DH32 requires impact testing to be carried out at -20°C;

CCS EH32 requires impact testing to be carried out at -40°C.

Consequently, EH32 offers superior low-temperature impact resistance, making it more suitable for extremely cold marine environments and providing greater safety.