S355G8+M Offshore Steel Plates

 

 

 

.

 

S355G8+M Offshore Steel Plates Specifications :
  •  Steel Standard: EN 10225
  •  Rolling Type: Oil and offshore platform steel plate
  •  Thickness:10 – 100m
  •  Width: 2000mm, 2050mm, 2500mm, 3050mm and 3500mm
  •  Length:6m, 12m and 14m
  •  Heat Treatment: Thermo-Mechanical Control Process (TMCP)

Designation

  •  Standard Number: EN10225
  •  S – from structural
  •  Minimum Yield at <16 mm: 355 MPa
  •  G10 – to designate the steel grade
  •  Thermomechanically Rolled: +M

Tolerence

  •  Surface: EN10163-B3
  •  Thickness: EN10029:10-B
  •  Length & Width: EN10029:10
  •  Flatness: EN10029:10-T5L


Manufacturing Process

  •  Vacuum degassed
  •  Full killed
  •  Fine Grain Treated


Mill Tests

  •  Tensile Test
  •  Hardness Test
  •  Impact Test: -40C or -50C
  •  Deep Etch Test
  •  Drop Weight Test
  •  Through Thickness: EN10164 Z35
  •  UT: EN10160 S1

 

Steel Grade

Standard

Steel Grade

EN10225

S355G2+N

S355G3+N

S355G7+N

S355G8+N

S355G9+N

S355G10+N

S355G5+M

S355G6+M

S355G7+M

S355G8+M

S355G9+M

S355G10+M

S420G1+M

S420G2+M

S420G1+QT

S420G2+QT

S460G1+M

S460G2+M

S460G1+QT

S460G2+QT

 

Chemical composition for S355G8+M Offshore Steel Plates (Ladle Analysis Max%)

C max.

Si

Mn

S

max.

P

max.

Cr

max.

Mo

max.

Nb

max.

V

max.

Ti

max.

Ni

max.

Cu

max.

Al(tot)

N

max.

S355G8+M

S355G8+N

0.14

0.15
/0.55

1.00
/1.65

0.007

0.02

0.25

0.08

0.04

0.06

0.025

0.5

0.3

0.015
/0.055

0.01

a.For t > 75 mm maximum Mo of 0.20% shall apply for +M condition.

b. For t > 40 mm the minimum Ni content shall be 0.30%.

 

Mechanical property for S355G8+M Offshore Steel Plates

Grade

Mechanical Property

Tensile Strength(MPa)

Yield Strength(MPa)

% Elongation in 2 in.(50mm) min

Impacting Test Temperature(°C)

S355G8+M

460-630

355-320

22

-40


 

Structural Steel Grades Available Ex-Stock
Standard
Grade
Minimum Thickness (mm)
Maximum Thickness (mm)
EN10025 - 3
S355 NL
6
200
EN10025 - 3
S460 NL
6
80
EN10025 - 4
S355 ML
10
100
Dillinger
DI-MC TMCP Plates
10
100
Dillinger
Dillimax 690T
6
200
EN10025 - 6
S690QL
6
200
Dillinger
Dillimax 890 T
6
100
EN10025 - 6
S890QL
6
100

 

Types of S355G8+M Offshore Structural Steel Plates:
S355G8+M
S355G8+M En10225 offshore structure steel plates
EN10225 Grade S355G8+M Offshore platform Steel plate
S355G8+M steel plate

EN10225 Grade S355G8+M Offshore Structural Steel Plate

EN10225 Grade S355G8+M Welding Structural Steel Plate .
EN10225 Grade S355G8+M drilling platform Steel plate
EN10225 Grade S355G8+M steel plate oil platform steel plate

 

Technical Requirements & Additional Services
  •   Z TEST (Z15,Z25,Z35)
  •   Low temperature impacting test
  •   Ultrasonic test under EN 10160,ASTM A435,A577,A578
  •   Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
  •   Shot blasting and Painting,Cutting and welding as per end user’s demands

 

Brand correspondence
Group
EN 10225:2009
BS 7191:1989
API 2W
S355G2+N
1
S355G2+N
355D
S355G3+N
1
S355G3+N
355E
S355G5+M
1
S355G5+M
355D
S355G6+M
1
S355G6+M
355E
S355G7+N
2
S355G7+N
355EM
S355G7+M
2
S355G7+M
355EM
S355G8+N
3
S355G8+N
355EMZ
S355G8+M
3
S355G8+M
355EMZ
S355G9+N
2
S355G9+N
S355G9+M
2
S355G9+M
S355G10+N
3
S355G10+N
S355G10+M
3
S355G10+M
API 2W-50
S420G1+M
S420G2+M

 

Dimensions
Grade Minimum thickness (mm) Maximum thickness (mm)
S355G2+N 5 20
S355G3+N 40
S355G5+M 20
S355G6+M 40
S355G7+N 80
S355G7+M 50
S355G8+N 80
S355G8+M 50
S355G9+N 80
S355G9+M 50
S355G10+N 80
S355G10+M 50
S420G1+M 30
S420G2+M

 

Product Analysis
Type of analysis
CEV (%)
PCM (%)
S355G2+N
Cast
0.43
-
S355G3+N
Cast
0.43
-
S355G5+M
Cast
0.43
-
S355G6+M
Cast
0.43
-
S355G7+N
Product
0.43
0.24
S355G7+M
Product
0.43
0.24
S355G8+N
Product
0.43
0.24
S355G8+M
Product
0.43
0.24
S355G9+N
Product
(0.43)
0.22
S355G9+M
Product
(0.41)
0.21
S355G10+N
Product
(0.43)
0.22
S355G10+M
Product
(0.41)
0.21
() Non guaranteed indicative values
CEV = C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15
PCM = C+Si/30+(Mn+Cu+Cr)/20+Ni/60+Mo/15+V/10+5*B

Dealer & Distributors Of Below Manufacturers In India
JSW Steel Ltd.
POSCO
Salzgitter AG
Nippon Steel & Sumitomo Metal
JSW Steel Ltd.
POSCO

Salzgitter AG

Nippon Steel & Sumitomo Metal
APERAM
Essar Steel
SSAB
JFE Steel Corporation
APERAM
Essar Steel
SSAB
JFE Steel Corporation