Grade	Fine grains elements	category	The thickness of steel
			≤ 12	>12.5-20	>20-25	>25-35	>35-50	>50-100
AH36	Nb+V or V	Plate/ sheet	A(50)	N(50),CR(50),TM(50)				N(50),CR(25),TM(50)
		Profile steel		N(50),CR(50),TM(50),AR*(25)				-
	Al or Al+Ti	Plate/ sheet	A(50)		AR*(25)		-
					N(50),CR(50),TM(50)			N(50),CR(25),TM(50)
		Profile steel	A(50)	N(50),CR(50),TM(50),AR*(25)				-

Note: 1. delivery condition: A =Any ; N=Normalized ; CR=Control Rolled ; TM=TMPC, Temperature - deformation control rolling; AR= Can be hot rolled with the agreement of Classification Society ; CR=Can be control rolled with the agreement of Classification Society .
2. The Figure in the ( ) means the sampling volume to do the impact test, the unit is Ton.(-) means without impact test.

AH36 steel plate Contrast in the different standard

ASTM A131M	TOCT 5521	BS LR	GB712
AH36	A36	AH36	A36

AH36 DH36 EH36 Hot Rolled Shipbuilding Steel Plate CCS ABS GL LR Classification Society Certification

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AH36 DH36 EH36 Hot Rolled Shipbuilding Steel Plate CCS ABS GL LR Classification Society Certification

AH36 shipbuilding steel plate specification: Thickness: 4mm to 260mm, Width: 1200mm to 4000mm Length: 3000mm to 18000mm. AH36 steel Chemical Composition %:

Grade

C

max

Si

max

Mn

P

max

S

max

Als

min

Ti

max

Cu

max

Cr max

Ni max

Mo max

Nb

V

AH36

0.18

0.50

0.90-1.60

0.035

0.035

0.015

0.02

0.35

0.20

0.40

0.08

0.02-0.05

0.05-0.10

Note: Generally speaking CE will be ≤ 0.40%. If the delivery condition is TMPC, the CE will be : ≤ 0.38% (thickness ≤ 50mm),≤0.40%( when the thickness >50-100). Ceq% =(C+Mn)/6+(Cr+Mo+V)/5+(Ni+Cu)/15.

AH36 steel plate Mechanical Property

Grade

Rm (MPa)

Re(MPa) min

A% min

Akv/J min

AH36

490-630

355

21

E.T °C

Thickness (mm)

0

≤ 50

>50-70

>70-100

L

C

L

C

L

C

34

AH36 shipbuilding steel plate specification:
Thickness: 4mm to 260mm,
Width: 1200mm to 4000mm
Length: 3000mm to 18000mm.

AH36 steel Chemical Composition %:

Cr
max

Ni
max

Mo
max

Rm
(MPa)

Plate/
sheet

Plate/
sheet