Grade-b-shipsteel

LR, ABS, NK, GL, DNV, BV, KR, RINA, CCS Grade B Shipbuilding steel plate

Capable Classification Society Quality Authentication from LR, ABS, NK, GL, DNV, BV, KR, RINA, CCS Grade B steel,ASTM A131 Grade B steel plate is a kind of shipbuilding steel which is mainly for shipbuilding and platform. Grade B shipbuilding steel plate is a common tensile strength steel. As a professional A131 Grade B shipbuilding steel plate exporter, Bebon international can supply high quality Grade B steel plate in most competitive price. ASTM A 131 shipbuilding steel plates can be used in the manufacture of the ship's hull structure whose weight is below 10000 tons.

Grade B shipbuilding steel plate specification:
Thickness: 6mm-200mm, Width: 1500mm-4000mm, Length: 6000mm-180000mm

Grade B steel  Chemical Composition


Grade

C max

Si max

Mn

P max

S max

Grade B

0.21

0.35

 0.80-1.20

0.035

0.035

Note: CE: C+1/6Mn ≤ 0.40% Cu ≤ 0.35%,Ni ≤ 0.30%≤

Grade B steel  Mechanical Property


Grade

Rm
(MPa)

Re(MPa) min

A% min

Akv/J min

Grade B

400-520

235

22

E.T °C

Thickness (mm)

0

 50

>50-70

>70-100

L

C

L

C

L

C

27

20

34

24

41

27

 Note: In the list , Rm: .tensile strength,Re: Yield strength,A%: elongation, E.T: experimental temperature,L: lengthways, C: crosswise.

Grade B steel Condition Of Delivery


Grade

category

The thickness of steel

≤ 12

>12.5-25

>25-35

>35-50

>50-100

Grade B

Plate/sheet

 A(-)

A(50)

N(50),TM(50)
CR(25)
AR*(25)

Profile steel

-

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.

 

Grade B steel Contrast in the different standards


ASTM A131M

TOCT 5521

JIS G3106

BS LR

GB712

Grade B

Grade B

SM400B
SM400C

Grade B

Grade B

Grade B steel plate Available Specification


variety 
Thickness (mm) Width (mm) Longth/ inner diameter (mm)
Shipbuilidng plate cutting edges 6~200 1500~3000 3000~15000
non- cutting edges 1300~3000
Shipbuilidng coil cutting edges 1.2~19 1500~2000 760+20~760-70
non-cutting edges 1510~2010

Grade B steel plate theoretical weight


Thickness (mm) 
theoretical weight Thickness (mm) theoretical weight
Kg/ft2 Kg/m2 Kg/ ft2 Kg/m2
6 4.376 47.10 25 18.962 196.25
7 5.105 54.95 26 20.420 204.10
8 5.834 62.80 28 21.879 219.80
10 7.293 78.50 30 23.337 235.50
11 8.751 86.35 32 25.525 251.20
12 10.21 94.20 34 26.254 266.90
14 10.939 109.90 35 27.713 274.75
16 11.669 125.60 40 29.172 314.00
18 13.127 141.30 45 32.818 353.25
20 14.586 157.00 48 35.006 376.80
22 16.044 172.70 50 36.464 392.50
24 18.232 188.40      

Grade B steel plate dimensional deviation


nominal thickness(mm)
The thickness deviation with following width (mm)
≤1200 >1200~1500 >1500~1800 >1800
>6.0~8.0 ±0.29 ±0.30 ±0.31 ±0.35
>8.0~10.0 ±0.32 ±0.33 ±0.34 ±0.35
>10.0~12.0 ±0.35 ±0.36 ±0.37 ±0.43

nominal thickness(mm)

 

minus deviation (mm) The thickness deviation with following width (mm)
> 1000 ~1200 > 1200 ~1500 > 1500 ~1700 > 1700 ~1800 > 1800 ~2000 > 2000 ~2300 > 2300 ~2500 > 2500 ~2600 2600 ~2800 > 2800 ~3000
>12~25 -0.8 +0.2 +0.2 +0.3 +0.4 +0.6 +0.8 +0.8 +1.0 +1.1 +1.2
>25~30 -0.9 +0.2 +0.2 +0.3 +0.4 +0.6 +0.8 +0.9 +1.0 +1.1 +1.2
>30~34 -1.0 +0.2 +0.3 +0.3 +0.4 +0.6 +0.8 +0.9 +1.0 +1.2 +1.3
>34~40 -1.1 +0.3 +0.4 +0.5 +0.6 +0.7 +0.9 +1.0 +1.1 +1.3 +1.4
>40~45 -1.2 +0.4 +0.5 +0.6 +0.7 +0.8 +1.0 +1.1 +1.2 +1.4 +1.5
bs 4360 430b steel for la paz auto parts tube prime quality s690ql 60mm thick hot rolled carbon plate astm grade specifications gr b gr wpb gr 60 high strength rina ah32 suppliers katalor china supplier corrugated steel sheet european standard s355j2 angle bar stock what is fast delivery sma490cp weather corten plate ss 202 304 316 310 420 sold 90m q345b telecom angle steel tower factory price hot rolled flat bar sizes supply en 10025 5 s355j2w corten steel for bridge HC350 600CPD Z steel properties steel round bar grade a42 chemical composition welded european standard s235j2 h shape steel s275jr equal angle dimension st460 ts large diameter lsaw welded ms carbon steel pipe api 5l gr b hot forging d3 1.2080 mould steel cold work plate exporter ss400 steel bar specification yield strength We Export to Following Countries:
Get In touch with
Product SERVICE ONLINE Contact us Steel Material Our Live Inventory:
Shipbuilding steel plate stock
Boiler steel plate stock
Weathering steel plate stock
Hot rolled steel sheet plate stock
Carbon steel plate stock
Alloy steel plate plate stock
Gas cylinder steel plate stock
Q235B steel plate plate stock
A36 steel plate plate stock
Q345B steel plate stock
09CuPCrNi-A steel plate stock
Pipeline steel plate stock
Low-carbon steel plate stock
Pressure vessel steel plate stock
Seamless steel pipe plate stock
Automotive steel plate stock
Wear-resistant steel plate plate stock
Low-alloy steel plate stock
Hot rolled coil plate stock
flat steel plate stock
Cowden Steel plate stock
Weather resistant steel plate stock
Marine engineering steel plate stock
ss400 steel bar specification yield strength Plate Manufacturer
ss400 steel bar specification yield strength Super Mirror Sheet / Plate Supplier
cold rolled ss400 steel bar specification yield strength plate distributor
ss400 steel bar specification yield strength Steel Plate dealer
ss400 steel bar specification yield strength hot rolled distributor
Carbon Steel diamond checkered platess400 steel bar specification yield strength Resistant exporter
High Quality ss400 steel bar specification yield strength Decorative Plate importer
Carbon Steel plate 3mm thick ss400 steel bar specification yield strength trader
ss400 steel bar specification yield strength Carbon Steel Plates 2B NO.1 stockist
ss400 steel bar specification yield strength Steel plates/sheet for elevator decoration stockholder
Best Quality Sales for ss400 steel bar specification yield strength Steel Plate for Structural Steel
ss400 steel bar specification yield strength Steel Plates manufacturer
1mm thick ss400 steel bar specification yield strength Plates dealer
ss400 steel bar specification yield strength sheet/ ss400 steel bar specification yield strength plate trader
ss400 steel bar specification yield strength plate stockholder
ss400 steel bar specification yield strength Steel plate manufacturer
ss400 steel bar specification yield strength Tested Plates supplier
ss400 steel bar specification yield strength finish metal sheet plate distributor
ss400 steel bar specification yield strength Resistant Steel suppliers
ss400 steel bar specification yield strength Sheet dealer
ss400 steel bar specification yield strength for construction importer
ss400 steel bar specification yield strength Sheet Price Per kg
ss400 steel bar specification yield strength polished sheet prime quality plate supplier
ss400 steel bar specification yield strength Steel sheet/plate factory
HIC Tested ss400 steel bar specification yield strength Quality Steel Plates trader
ss400 steel bar specification yield strength Sheet Price in India
2mm Thick ss400 steel bar specification yield strength Steel Plate exporter
ss400 steel bar specification yield strength plate supplier
Manufacturer preferential supply High Quality ss400 steel bar specification yield strength Steel plate
export heat resistant 6mm ss400 steel bar specification yield strength plate manufacturer
About

SIBE STEEL GRADE is specialized in steel plate export. As a professional and reliable steel plate supplier, we have built cooperation with over 30 countries and regions, including USA, Europe, Saudi Arabia, Egypt, Bangladesh, Sri Lanka, Korea, Vietnam, Myanmar and so on.

For any steel plates we do not have in stock, we have developed relationships with a large number of manufacturers, mill depots, and master distributors, which enables us to locate and supply even the most unusual sizes and grades as per customer requirements - so called "one station" services...

Read More
Contact us
Add: Henan, China

Our professional team will reply to you within one business day. Please feel free to contact us!