ASTM A131 DH32 steel

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Reference: ASTM A131 DH32 steel. Check grade designation, product form and ordering requirements.

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ASTM A131 DH32 steel Description

ASTM A131 DH32 steel. Check the complete grade, product form, applicable edition and ordered dimensions.

Specify the classification society, ordered thickness, delivery condition, impact temperature, test orientation and required mill certificate.

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Legacy technical note · verification required

ASTM A131 DH32 special steel plate for ships and ocean engineering. DH32 steel plate itself has high-quality properties such as high strength, high toughness, fatigue resistance, impact resistance, wear resistance, corrosion resistance, weather resistance, welding machine and easy processing. ABS DH32 marine grade steel plate is mainly used in shipbuilding and marine engineering. DH32 marine grade steel plate needs to be impacted at -20°C to ensure its low temperature performance. DH32 marine steel plates are widely used in the construction of hulls, bulk carrier cranes and cryogenic marine vessels. The classification society certification of DH32 steel plate is: CCS DNV GL LR BV NK KR RINA ABS and other nine major classification societies certification.

DH32 shipbuilding steel plate is a high-strength steel plate, where D is the grade, H is a high-strength steel plate, and 32 is the yield strength. The ship plate increases the performance requirements in the thickness direction of the steel plate, that is, the Z-direction performance, and adds the Z-direction backward LR-DH32-z15. ASTM A131 DH32 marine plate is high-strength high-strength structural steel for hull. Shipbuilding steel generally refers to the steel for hull structure, which refers to the steel used to make the hull structure produced according to the requirements of the classification society's production specifications. It is often ordered, scheduled, and sold as special steel, generally including ship plates, section steel, etc.

ASTM A131 DH32 steel Datasheet

Legacy technical note · verification required

Thickness: 3mm-150mm
Width: 1220 - 4220mm
Length: 5000-18000mm
Standard: ASTM A131
Classification Societies: ABS, LR, BV, DNV GL, RINA, NK, CCS, KR, RMRS
Surface Treatment: Clean, blasting and painting according to customer requirement
Export packing: Waterproof paper, and steel strip packed.
Standard Export Seaworthy Package.Suit for all kinds of transport,or as request
Capacity: 250,000 tons/year

ASTM A131 DH32 steel Chemical composition

(heat analysis, % max unless otherwise specified)

Legacy technical table · verification required

Confirm every value against the applicable edition, thickness and material certificate.

Legacy technical table
C	Si	Mn	P	S	Al	Cb	V	Ti	Cu	Cr	Ni	Mo	Ca	N
0.18	0.10-0.50	0.90-1.60	0.035	0.035	0.015	0.02-0.05	0.05-0.10	0.02	0.35	0.20	0.40	0.08	0.005	-

Notes: 1) The contents of any other element intentionally added is to be determined and reported.

If the content of soluble aluminum is not less than 0.015 %, the minimum required silicon content does not apply.
Columbium and niobium are considered interchangeable names for the same element and both names are acceptable for use in A01 standards.
The indicated amount of aluminum, columbium (niobium), and vanadium applies if any such element is used singly.
Ca element need not be reported on the mill sheet unless intentionally added.

ASTM A131 DH32 steel Mechanical Properties

Legacy technical table · verification required

Confirm every value against the applicable edition, thickness and material certificate.

Legacy technical table
ABS DH32	Strength		CharpyVImpactTest
Thickness	Yield strength	Tensile strength	Temperature	Transverse	Longitudinal
mm	Min(Mpa)	Mpa		J	J
t≤50	315	440-590		-20℃	22	31
50<t≤70	315	440-590		-20℃	26	38
70<t≤100	315	440-590		-20℃	31	46

Equivalent Grade of ASTM A131 DH32 steel

Legacy technical table · verification required

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Legacy technical table
ABS	LR	BV	DNV	GL	RINA	NK	CCS	KR
ABS DH32	LR DH32	BV DH32	DNV DH32	GL DH32	RINA DH32	NK DH32	CCS DH32	KR DH32

Source and scope

IACS, Unified Requirement W11, hull structural steels · W11 and scope of Rec. 197. IACS identifies W11 as the normal and higher-strength hull structural steel rule. Apply the project’s classification society rules and approved material documentation.
ASTM A131/A131M, ASTM steel standards catalogue · Structural steel for ships entry. ASTM lists A131/A131M as a specification for structural steel for ships. The project’s class approval and ordering conditions are separate checks.

Apply the cited scope to the matching designation and form. Confirm any remaining technical values with the applicable edition or material certificate.