Technical conditions for offshore plates of S460G1+Q S460G1+Q manufacturer from China Gloria Steel

Technical conditions for offshore plates of S460G1+Q

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.: S460G1+Q

Production Capacity: 3000~5000T

Delivery Date: 30 days

Means of Transport: Ocean

Packing: Standard seaworthy export p...

The technical conditions apply to plates of S460G1+Q with thickness not more than 150mm. (8mm-150mm)

Technical conditions for offshore plates of S460G1+Q

1. Scope

The technical conditions apply to plates of S460G1+Q with thickness not more than 150mm. (8mm-150mm)

2. Adopt standard:

EN10225 Weld-able structural steels for fixed offshore structures — Technical delivery conditions

3. Dimension, Shape, Weight and Permissible Deviation

The dimension, shape, weight and permissible deviation shall meet the requirements of EN10029.

Thickness tolerance: -0.30mm

Flatness: 4mm/m

Surface shot blasting or peeled.

4. Technical conditions

4.1 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	V	Al	Nb	Ti	Cu
Max 0.14	0.15- 0.55	Max 1.65	Max 0.020	Max 0.007	Max 0.25	Max 0.70	Max 0.25	Max 0.080	0.015- 0.055	Max 0.040	Max 0.025	Max 0.30

Max 0.14

0.15- 0.55

Max 1.65

Max 0.020

Max 0.007

Max 0.25

Max 0.70

Max 0.25

Max 0.080

0.015- 0.055

Max 0.040

Max 0.025

Max 0.30

Note:

a. Cr+Mo+Ni+Cu <0.90%

b. Nb+V<0.09%

c. Nb+V+Ti<0.11%

4.2 Steel making process: EAF+LF/VD

4.3 Mechanical properties

The mechanical properties of S460G1+Q shall meet the requirement as table 2.

Table 2 Mechanical properties

Thickness mm	Mechanical properties
Thickness mm	Yield strength MPa	Tensile strength MPa	Elongation %
8-40	Min 460	540-700	Min 17
41-100	Min 420	520-680	Min 17
101-150	Min 400	500-660	Min 17

4.4 Impact properties

Impact test in the longitudinal and transverse for plates of S460G1+Q shall meet the requirements per table 3.

Table 3 Impact properties

Charpy-V Impact Test temp. Celsius degree	Longitudinal 1/4 Thickness	Longitudinal 1/2 Thickness
	Average impact energy		Average impact energy
-40C	Min 60J	-40C	Min 60J

Charpy-V Impact

Test temp.

Celsius degree

Longitudinal 1/4 Thickness

Longitudinal 1/2 Thickness

Average impact energy

-40C

Min 60J

-40C

Min 60J

4.5 Grain size

Grain size for plates shall be according to S460G1+Q.

4.6 Surface quality

The surface quality of plates shall be accordance with EN10163-2:2004.

4.7 Ultrasonic inspection

Plates shall be ultrasonic inspected per EN10160 S2E2.

4.8 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	Direction	Test menthod
1	Hardness	1	/	According to EN10225
2	Tensile test	1 (per heat treatment pc)	Transverse
3	Charpy-V impact test at -40C	6 (per heat treatment pc)	T/4 Longitudinal
4	Charpy-V impact test at -40C	6 (per heat treatment pc)	T/2 Longitudinal