Extra High strength ship plate,also be called Ultra-high strength ship plate which has the highest mechanical properties.Naval steel plateGrade FQ70's tensile strength shall reach 770-940Mpa,and used in minus 60 centigrade ocean surroundings.According to the different temperatures in Charp V-noth impacting,these high strength ship plates were divided as Grade AQ,DQ,EQ and FQ.
■ Full Data
Technical Requirements for Extra high strength ship plate:
♦ Grade AQ done Low temperature impacting under 0 degree centigrade
♦ Grade DQ done Low temperature impacting under minus 20 degree centigrade
♦ Grade EQ done Low temperature impacting under minus 40 degree centigrade
♦ Grade FQ done Low temperature impacting under minus 60 degree centigrade
Additional Services from Xinsteel:
♦ Z-test under Z15,Z25 and Z35
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.2
♦ Shot blasting and Painting,Cutting and welding as per end user's demands
♦ Ultrasonic Test according to ASTM A435/A435M,A578/A578M Level A/B/C,EN 10160 S0E0-S3E3
Inquiry >>
ship@gescosteel.com 86 15824687445
ABS Grade AQ56 Shipbuilding Steel Plate Chemical Composition and Mechanical Property
| C max | Si max | Mn | P max | S max | N max. |
|
0.21 |
0.55 | 1.70 |
0.030 |
0.030 |
0.020 |
| Yield Strength (MPa) min. | Tensile Strength (MPa) | Elongation min. % |
| 550 | 670-830 | 16 |
ABS Grade DQ56 Shipbuilding Steel Plate Chemical Composition and Mechanical Property
| C max | Si max | Mn | P max | S max | N max. |
|
0.20 |
0.55 | 1.70 |
0.025 |
0.025 |
0.020 |
| Yield Strength (MPa) min. | Tensile Strength (MPa) | Elongation min. % |
| 550 | 670-830 | 16 |
ABS Grade EQ56 Shipbuilding Steel Plate Chemical Composition and Mechanical Property
| C max | Si max | Mn | P max | S max | N max. |
|
0.20 |
0.55 | 1.70 |
0.025 |
0.025 |
0.020 |
| Yield Strength (MPa) min. | Tensile Strength (MPa) | Elongation min. % |
| 550 | 670-830 | 16 |
ABS Grade FQ56 Shipbuilding Steel Plate Chemical Composition and Mechanical Property
| C max | Si max | Mn | P max | S max | N max. |
|
0.18 |
0.55 | 1.60 |
0.020 |
0.020 |
0.020 |
| Yield Strength (MPa) min. | Tensile Strength (MPa) | Elongation min. % |
| 550 | 670-830 | 16 |
|
Equivalent steel grade of AB/AQ51 |
|||||||
|
DNV |
GL |
LR |
BV |
CCS |
NK |
KR |
RINA |
|
NV A500 |
GL-A500 |
LR/AH50 |
BV/A500 |
CCS/A500 |
K A51 |
R A51 |
RI/A500 |
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