ASTM A131 AH36 shipbuilding steel plate AH36 hull steel coil

Description: ASTM A131 AH36 shipbuilding steel plate/coil, also known as marine steel, is a high-strength steel designed for the shipbuilding industry. Due to its strength, light weight and good weldability, this grade of steel is very suitable for building small and ...

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ASTM A131 AH36 steel Description

ASTM A131 AH36 shipbuilding steel plate/coil, also known as marine steel, is a high-strength steel designed for the shipbuilding industry. Due to its strength, light weight and good weldability, this grade of steel is very suitable for building small and large ships and various other structures. According to their different classification societies, they can also be divided into ABS, NK, LR, KR, DNV, CCS, RINA, GL, etc.

AH36 shipbuilding steel plate is a special steel plate for marine platforms and marine engineering, also known as high-strength plate, low-alloy high-strength plate, high-strength welded plate, where A is the quality grade, H is the high-strength building material, 36 is the maximum compressive value, and the yield strength is 355Mpa high-strength ship steel,

ASTM A131 AH36 steel Datasheet

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 AH36 steel Chemical composition

(heat analysis, % max unless otherwise specified)

C	Si	Mn	P	S	Al	Cb	V
0.18	0.10-0.50	0.90-1.60	0.035	0.035	0.015	0.02-0.05	0.05-0.10
Ti	Cu	Cr	Ni	Mo	Ca	N
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.

1, AH36 marine steel plate/coil with 0.5 in. [12.5 mm] and under thickness may have a minimum Mn content of 0.70 %.
2, If the content of soluble aluminum is not less than 0.015 %, the minimum required silicon content does not apply.
3, Columbium and niobium are considered interchangeable names for the same element and both names are acceptable for use in A01 standards.
4,The indicated amount of aluminum, columbium (niobium), and vanadium applies if any such element is used singly.
5, Ca element need not be reported on the mill sheet unless intentionally added.

ASTM A131 AH36 steel Mechanical Properties

ABS AH36	Strength		CharpyVImpactTest
Thickness	Yield strength	Tensile strength	Temperature	Transverse	Longitudinal
mm	Min(Mpa)	Mpa		J	J
t≤50	355	490-620		0℃	24	34
50<t≤70	355	490-620		0℃	27	41
70<t≤100	355	490-620		0℃	34	50

The main delivery status of ASTM A131 AH36 shipbuilding steel plates are: normalized (N), control rolled (CR), thermomechanical control processed (TM), or quenched and tempered (QT) when so specified. For Z direction test, we can meet standards of Z15, Z25 and Z35. Charpy V-notch test is necessary for ABS marine grade steel plates AH36 with thickness over 1/4 in. [6.4 mm].