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Baosteel Offshore Structural Steel Plate API 2W-50, S355G10+M,…

Main product introduction

Hull Structural Steel Plate

ClassificationSteel GradeThickness(mm)
Normal strength hull structural steel plate
A/B
≤50
≤130
D
≤35
≤130
E
≤130
High strength hull structural steel plate
AH32/ DH32
≤20
≤40
≤100
AH36/DH36
≤20
≤40
≤100
EH32/EH36
≤100
AH/DH/EH32/36
≤80
AH40/DH40/EH40
≤68
Classification
Steel Grade
Thickness(mm)
High toughness hull structural steel plate
FH32/FH36/FH40
≤68
Large container hull structural steel plate
D47/E47
≤80

Offshore Structural Steel Plate

ClassificationSteel GradeThickness (mm)
Extra high strength hull structural steel plate
AQ/DQ/EQ 43/47/51/56
≤88
A/D/E 420/460/500/550
AQ/DQ/EQ 63/70
≤178
A/D/E 620/690
A514Q/517Q
≤178
Offshore structural steel plate
API 2H GR 42/GR50
≤100
API 2Y GR50/GR60
≤80
API 2W GR50/GR60
≤80
S355G7/8/9/10+N
≤100
S355G7/8/9/10+M
≤80

Subsea Pipelines

Classification

Steel GradeThickness(mm)

Pipeline

API 5L X65MO
≤31.8
API 5L X70MO
≤31.8

Composition and Properties

API Series

Chemical Composition (wt.%)

CSiMn PSAITi、Cu、Ni、NbCeqPcm
0.070.21.480.0040.0010.053added0.36-0.380.17-0.19

Mechanical Property

GradeThicknessYSTSEL
mmMPaMPa%
API 2W-50
8043354837
API Specification
345-483≥448≥23

EN10225 Series

Chemical Composition (wt.%)
CSiMnPSAITi、Cu、Ni、NbCeqPcm
0.070.231.50.010.0010.041added0.36-0.380.17-0.19

Mechanical Property

GradeThicknessYSTSEL
mmMPaMPa%
S355G10+M
63.542655128
EN10225 Standard
≥325460-620≥22

EQ Series

Grade

Thickness (mm)CSiMn PS
EQ56
500.080.141.10.0070.001
EQ70
880.080.191.090.0040.001

Grade

Thickness (mm)AICu,Ni,V,Ti,Cr,Mo,BCeqPcm 
EQ56
500.05added0.43-0.510.20-0.23 
EQ70
880.056added0.53-0.580.23-0.26 

Mechanical Property

GradeThicknessYSTSEL
mmMPaMPa%
EQ56
5073677220
ABS specification
≥550670-835≥16
EQ70
8877379819
ABS specification
≥690770-940≥14

ASTM Series

Grade

ThicknessCSiMnPS
(mm)
A517GrQ
880.130.210.00440.0005
(A517GrQ-M)
A514GrQ
(A517GrQ-M)
EQ70
1780.170.261.130.00490.0008
ASTM
≤1500.14-0.210.15-0.350.95-1.30≤0.035≤0.035
A517/A517M
Standard
ABS
≤88≤0.20≤0.551.7≤0.030≤0.030
Specification
(EQ70)
GradeThicknessCr,Ni,Mo,VCeqPcm
(mm)Al,Nb,Ti,B
A517GrQ
88added0.61-0.820.27-0.35
(A517GrQ-M)
A514GrQ
(A517GrQ-M)
EQ70
1780.73-0.850.35-0.39
ASTM
≤150added––
A517/A517M
Standard
ABS
≤88––
Specification
(EQ70)

Grade

ThicknessTS ReHTS RmEL A50
(mm)MpaMpa%
A517GrQ
8877283222
A514GrQ
(EQ70)
17876585321
ASTM
≤150≥690795-930≥14
A517/A517M
Standard
ABS
≤88≥690770-940≥14
Specification
(EQ70)

Subsea pipelines

Grade

ThicknessCSiMnPSCu/Ni
(mm)
X65MO
28.6/30.20.040.21.52≤0.015≤0.002added
X70MO
31.80.040.21.68≤0.015≤0.002added
GradeThicknessCrAlNb/TiCeqPcm
(mm)
X65MO
28.6/30.2added0.03added0.33-0.400.13-0.16
X70MO
31.8added0.03added0.35-0.420.13-0.17

Grade

ThicknessYSTSEL
(mm)MPaMPa%
X65MO
28.6450-620540-758≥28
X65MO
30.2485-620540-758≥28
X70MO
31.8485-620570-758≥28

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