Technical conditions for plates of LR EH36 LR EH36 manufacturer from China Gloria Steel

Technical conditions for plates of LR EH36

Price:	2000.0~5000.0 USD
Payment Terms:	T/T,L/C
Place of Origin:	Guangdong, China (Mainland)


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Product Detail

Model No.: LR EH36

Production Capacity: 3000~5000T

Delivery Date: 30 days

Means of Transport: Ocean

Packing: Standard seaworthy export p...

The technical conditions apply to plates of EH36 with thickness not less than 120mm. (100mm-200mm)

Technical conditions for plates of LR EH36

1. Scope

The technical conditions apply to plates of EH36 with thickness not less than 120mm. (100mm-200mm)

2. Dimension, Shape, Weight and Permissible Deviation

The dimension, shape, weight and permissible deviation shall meet the requirements of LR rules..

The flatness of plates shall be =< 5mm/1m and =<8mm/2m.

3. Technical conditions

3.1 Chemical composition (Ladle analysis)

The chemical composition of plates shall be accordance with the following table 1.

Table 1 Chemical composition (Ladle analysis)

C	Si	Mn	P	S	Cr	Ni	Mo	Cu	TAL	Nb	V	Ti
Max 0.18	0.10- 0.50	0.90- 1.60	Max 0.035	Max 0.035	Max 0.20	Max 0.40	Max 0.08	Max 0.35	Min 0.020	0.02- 0.05	0.05- 0.10	Max 0.02

TAL

Max 0.18

0.10- 0.50

0.90- 1.60

Max 0.035

Max 0.20

Max 0.40

Max 0.08

Max 0.35

Min 0.020

0.02- 0.05

0.05- 0.10

Max 0.02

3.2 Carbon equivalent (CEq)

Carbon equivalent shall be not more than 0.43 for plates of EH36.

Carbon equivalent shall be calculated as follows:

CEq=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15 (%)

3.3 Tensile properties

The tensile properties of E36 shall meet the requirement as table 2.

Table 2 Tensile properties

Thickness mm	Direction	Yield strength MPa	Tensile strength MPa	Elongation %
120 1/4 T	Transverse	Min 355	490-630	Min 21
120 1/2 T	Transverse	Min 335	Min 480	Min 18

3.4 Impact properties

Impact test in the longitudinal and transverse for plates of EH36 shall meet the requirements per table 3.

Table 3 Impact properties

Sampling place	Test direction	Test temp. Celsius degree / Average impact energy
Sampling place	Test direction	0C	-20C	-40C	-60C
1/4 of Thickness	Longitudinal	Min 50J	Min 50J	Min 50J	Measured value
1/4 of Thickness	Transverse	Min 34J	Min 34J	Min 34J	Measured value
1/2 of Thickness	Longitudinal	Min 25J	Min 25J	Min 25J	Measured value
1/2 of Thickness	Transverse	Min 17J	Min 17J	Min 17J	Measured value

3.5 Grain size

Grain size for plates shall be according to LR rules.

3.6 Surface quality

The surface quality of plates shall be accordance with LR rules

3.7 Ultrasonic inspection

Plates shall be ultrasonic inspected per ASTM A578/A578M level B.

3.8 Hot rolled of compression ratio

The compression ratio of Steel plate have to no less than 3:1

3.9 Test method and inspection rules

Test items, sampling quantity, sampling method and test method shall conform to table 4.

Table 4 Test items for plates

No.	Test item	Quantity, Piece	Sampling method	Test menthod
1	Chemical composition (Ladle analysis)	1 (per batch furnace number)	According to LR rules	According to LR rules
2	1/4 T Tensile test	1
3	1/2 T Tensile test	1
4	Impact test at -40C	3
5	Grain size	2