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We offer steel and steel fabrication services

We are a first-class steel service center with industry-leading technology, offering a wide range of steel and processing services to our customers.

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Ship Steel Plate
AH32 marine steel manufacturer
AH32 marine steel
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DH32 marine steel supplier
DH32 marine steel
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AH36 marine steel factory
AH36 marine steel
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Shipbuilding steel plate manufacturer
Shipbuilding steel plate
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Ship's steel plate

Ship's steel plate refers to the hot-rolled steel plates produced according to the requirements of the classification society construction specifications for the manufacture of ship hull structures.

Types

Commonly used hull structural steel plates are GB712 general strength steel (A, B, D, E grade) steel plate, high strength steel (AH32, DH32, EH32, AH36, DH36, EH36 grade) steel plate; GB5312 high quality carbon steel (CIO, C20) steel plate for shipbuilding; GB9945 A, B grade steel ball flat steel for shipbuilding, etc.

Species specifications

The structural steel plates for ship hulls are divided into strengths according to their minimum yield points.
The general strength structural steel of China Classification Society Code is divided into four quality grades: A, B, D and E. The high strength structural steel of China Classification Society Code is divided into three strength grades and four quality grades.
A32 A36 A40
D32 D36 D40
E32 E36 E40
F32 F36 F40

Ship's steel plate

ASTM A131 Steel Plate Chemical Composition (max.)

Grade

C

Mn

Si

P

S

Others

Grade A

0.21

2.5xC

0.50

0.035

0.035

Grade B

0.21

0.60

0.35

0.035

0.035

Grade D

0.21

0.60

0.01-0.35

0.035

0.035

Grade E

0.18

0.70

0.01-0.35

0.035

0.035

AH32/DH32/EH32

0.18

0.90-1.60

0.10-0.50

0.035

0.035

Cb 0.02-0.05, V 0.05-0.10,
Ti 0.02, Cu 0.35, Cr 0.20,
Ni 0.40, Mo 0.08,
Als min. 0.015

AH36/DH36/EH36

AH40/DH40/EH40

FH32/FH36/FH40

0.16

0.90-1.60

0.10-0.50

0.025

0.025

ASTM A131 Steel Plate Mechanical Properties

Grade

Yield Strength

Tensile Strength

Elongation in 8 in.

Elongation in 2 in.

min. MPa)

MPa

min. %

min. %

Grade A, B, D, and E

235

400-520

21

24

AH32 DH32 EH32 FH32

315

440-590

19

22

AH36 DH36 EH36 FH36

355

490-620

19

22

AH40 DH40 EH40 FH40

390

510-650

19

22

ASTM A131 Steel Plate Charpy V-Notch Impact Test Temperature

Grade

Temperature ⁰F [⁰C]

Grade A

68 [20]

Grade B AH32 AH36 AH40

32 [0]

Grade D DH32 DH36 DH40

-4 [-20]

Grade E EH32 EH36 EH40

-40 [-40]

FH32 FH36 FH40

-76 [-60]

Standard

Shipbuilding and Offshore Structure Steel Grades

ASTM A131

Grade A

Grade B

Grade D

Grade E

AH32

DH32

EH32

FH32

AH36

DH36

EH36

FH36

AH40

DH40

EH40

FH40

EN 10225

S355G2+N

S355G3+N

S355G5+M

S355G6+M

S355G7+M

S355G7+N

S355G8+M

S355G8+N

S355G9+N

S355G9+M

S355G10+N

S355G10+M

S420G1+Q

S420G1+M

S420G2+Q

S420G2+M

S460G1+Q

S460G1+M

S460G2+Q

S460G2+M

API SPEC 2H

API 2H-42

API 2H-50


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APPLICATION FIELD

Industries We Proudly Serve

Building Construction
Building Construction
Specific requests for on-site construction are generally required and we will work with our clients to meet their needs.
Oil & Gas
Oil & Gas
We supply high strength steel to the oil and gas industry and our equipment is customized to cut advanced high strength steel for the oil and gas industry.
Medica Equipment
Medica Equipment
Kuaima steel supplies hospital beds and related furniture applications that require low micro surface finishes for plating applications.
Spaceflight
Spaceflight
Our high-quality steels and aircraft-grade metals also play an important role in specialty aerospace parts.
Agriculture
Agriculture
Kuaima Steel has been a proud supplier of steel to the agriculture and farming industry, and we understand the ups and downs that the industry has experienced.
Heavy Equipment
Heavy Equipment
We also supply several exercise equipment manufacturers with special high surface quality and high strength applications.

FAQ

We are a well known worldwide exporter of 304 Stainless Steel P
Q : What are your payment terms?
A : Our payment terms: 30% T/T deposit and 70% on B/L copy or L/C at sight, before you pay the balance. We will show you product and packaging photos.
Q : How long is your delivery time?
A : Generally, it takes 10-15 working days for stock, and 20-30 working days if there is no stock. According to the order quantity
Q : Can you accept customization?
A : Yes. Can be customized according to customer requirements
Q : How about the MOQ? If my first order is small, will you accept it?
A : We will try our best to support your trial order quantity, so even if it is 1 piece or 1 kg, we can start cooperation; because we are confident to make a second order with the company.
Q : How about your after-sales service?
A : As a professional steel export company, we provide promotion and technical support for all questions and questions.