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Thickness: 2mm-350mm
Width: 1200mm-4200mm
Length: 3000mm-18000mm
Surface Treatment: Shot blasting and painting or coated
Additional technical services for ASTM A131 Grade B shipbuilding steel plate from BBN STEEL which including Heat treatment(Normalized, TMCP, Quenched and Tempered, N+T), Z-test (Z15, Z25, Z35), Ultrasonic Examination, Low temperature impacting test, DWTT, PWHT and cutting & welding into special pieces for end users.
A131 Grade B steel Chemical Composition:
|
Grade |
The Element Max (%) |
|||||
|
C |
Si |
Mn |
P |
S |
C+Mn/6 |
|
|
A131 Grade B |
0.21 |
0.35 |
0.80 |
0.035 |
0.035 |
0.40 |
Crack Sensitivity: Pcm = (C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B)%
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
A131 Grade B steel property:
|
Grade |
|
Mechanical Property |
Charpy V Impact Test |
||||
|
Thickness |
Yield |
Tensile |
Elongation |
Degree |
Energy 1 |
Energy 2 |
|
|
A131 Grade B |
mm |
Min Mpa |
Mpa |
Min % |
0 |
J |
J |
|
t≤50 |
235 |
400-520 |
21% |
14 |
20 |
||
|
50＜t≤70 |
235 |
400-520 |
21% |
17 |
25 |
||
|
70＜t≤100 |
235 |
400-520 |
21% |
20 |
30 |
||
|
Note: Energy 1 is transverse impact test, Energy 2 is longitudinal |
|||||||
ASTM A131 Grade B Application:
Main application of A131 Grade B shipbuilding steel plate is building decks of ships, vessels and boats, other normal repairing works in shipyards.
GB T 5312 Carbon and carbon-manganese steel seamless steel tubes and pipes are mainly for ship use, also known as shipbuilding steel pipes. Under GB T 5312, there are mainly 5 steel grades: grade 320, 360, 410, 460 and 490. Each grade covers three levels: I, II, III.
Angle steel, commonly known as angle iron, is a long strip of steel whose sides are perpendicular to each other. There are equal angle steels and unequal angle steels. The two sides of equal angle steel are equal in width. The unequal angle steel is also known as L shape profile steel.
Flat bar steel can be produced according to the user's needs, with fixed thickness, width and length. It can reduce the cutting process for users, reduce the consumption of labor and materials, and also reduce the processing loss of raw materials.
Bulb flat steel for shipbuilding
The bulb flat steel is a kind of medium section material which is mainly used in the field of shipbuilding and bridge building, and the shipbuilding bulb flat steel is an auxiliary medium section material for shipbuilding.
The steel for shipbuilding and oil platform---FH40, is the high tensile strength steel.The shipbuilding steel FH40 is the Hull structural steel.We can provide FH40 shipbuilding steel plate price.
The steel for shipbuilding and oil platform---EH40, is the high tensile strength steel.The shipbuilding steel EH40 is the Hull structural steel.We can provide EH40 shipbuilding steel plate price.
If you are interested in our company or products, welcome to visit our company or local offices; you can also get contact with us through online consulting, demand table submission, e-mails and telephones. Our staff shall wholeheartedly provide product information, application knowledge and good service for you.
BBN SHIP STEEL FACTORY
