+86 371 86151927
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Description: ASTM A131 marine grade A ms steel plate is ordinary strength shipbuilding steel with a specified minimum yield point of 34 ksi [235 Mpa]. A131 marine grade A ms ...
ASTM A131 marine grade A ms steel plate is ordinary strength shipbuilding steel with a specified minimum yield point of 34 ksi [235 Mpa]. A131 marine grade A ms steel is usually in forms of structural steel plates, shapes and bars for use in ship construction. The min. thickness we can supply for ASTM A131 marine grade A ms steel plate with certificate is 3mm. The marine grade A ms steel plate is always certified by ABS, LR, BV, DNV GL, RINA, NK, CCS, KR, RMRS and so on classification societies as the end user’s requirements.
ASTM A131 marine grade A ms steel plate chemical composition:
(heat analysis, % max unless otherwise specified)
C | Mn, min. | Si | P | S | C+Mn/6 |
0.21 | 2.5xC | 0.50 | 0.035 | 0.035 | 0.40 |
Notes: The contents of nickel, chromium, molybdenum, and copper are to be determined and reported. When the amount does not exceed 0.02 %, these elements may be reported as≤0.02 % .
ASTM A131 marine grade A ms steel plate mechanical property:
Grade | Mechanical Property | Charpy V Impact Test | ||||
Thickness | Yield | Tensile | Temperature | Transverse | Longitudinal | |
ASTM A131 grade A | mm | Min Mpa | Mpa | 20℃ | J | J |
t≤50 | 235 | 400-520 | - | - | ||
50<t≤70 | 235 | 400-520 | 24 | 34 | ||
70<t≤100 | 235 | 400-520 | 27 | 41 |
Notes:Impact tests are not required when the material is produced using fine grain practice and normalized.
A131 marine grade A ms steel equivalent grades:
ABS | LR | BV | DNV | GL | RINA | NK | CCS | KR | RMRS |
AB/A | LR A | BV A | NV A | GL-A | RINA A | KA | CCSA | RA | RMRS A |
Charpy V-notch test shall be made on ASTM A131 marine grade A ms steel plate over 2 in. [50mm] in thickness. The marine grade A ms steel plate is mainly used in the shipbuilding industry for the construction of structural parts of ships, barges and marine equipment.
+86 371 86151927
+86 371 86151527
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