ABS Grade EQ AQ DQ FQ 70 steel plate/pipe is a high-strength Marine structural steel with excellent toughness, high strength and good weldability. Its chemical composition includes elements that enhance corrosion resistance and reduce the risk of intergranular corrosion. ABS Grade EQ AQ DQ FQ 70 steel plate/pipe are commonly used in ship structure and offshore platform construction. This Marine structural steel meets U.S. Bureau of Navigation standards and is a high-strength, tempered and quenched steel plate. ABS Grade EQ AQ DQ FQ 70 steel plate/pipe has a good application prospect in Marine structures.
Konpozisyon chimik –ABS Grade EQ AQ DQ FQ 70 steel plate/pipe
Grade | C max | Si max | Mn | P max | S max | N max. |
AQ 70 | 0.21 | 0.55 | 1.7 | 0.03 | 0.03 | 0.02 |
AK 70 | 0.2 | 0.55 | 1.7 | 0.025 | 0.025 | 0.02 |
EQ 70 | 0.2 | 0.55 | 1.7 | 0.025 | 0.025 | 0.02 |
FQ 70 | 0.18 | 0.55 | 1.6 | 0.02 | 0.02 | 0.02 |
Mechanical Properties-ABS Grade EQ AQ DQ FQ 70 steel plate/pipe
YIELD STRENGTH (MIN ksi) |
TENSILE STRENGTH (ksi) |
ELONGATION A5 (MIN %) |
REDUCTION OF AREA, AVERAGE 1) (MIN %) |
REDUCTION OF AREA 2) (MIN %) |
---|---|---|---|---|
100 | 112 – 136 | 14 | 25 | 15 |
100 | 112 – 136 | 14 | 35 | 25 |
Impact Properties-ABS Grade EQ AQ DQ FQ 70 steel plate/pipe
GRADE | TEST TEMPERATURE (°F) |
MIN LONGITUDINAL AVERAGE ENERGY 2) (ft-lbs) |
---|---|---|
AQ 70 1) | 32 | 51 |
DQ 70 | -4 | 51 |
EQ 70 | -40 | 51 |
NFI STEEL can supply steel grades below ABS:
AB/AH 32 | AB/DH 32 | AB/EH 32 | AB/FH 32 |
AB/AH 36 | AB/DH 36 | AB/EH 36 | AB/FH 36 |
AB/AH 40 | AB/DH 40 | AB/EH 40 | AB/FH 40 |
AB/AQ 47 | AB/DQ 47 | AB/EQ 47 | AB/FQ 47 |
AB/AQ 51 | AB/DQ 51 | AB/EQ 51 | AB/FQ 51 |
AB/AQ 56 | AB/DQ 56 | AB/EQ 56 | AB/FQ 56 |
AB/AQ 63 | AB/DQ 63 | AB/EQ 63 | AB/FQ 63 |
AB/AQ 70 | AB/DQ 70 | AB/EQ 70 | AB/FQ 70 |
AB/A | AB/B | AB/D | AB/E |
NFI STEEL‘s ABS Grade EQ AQ DQ FQ 70 STEEL PLATE/PIPE offers ABS DNV LR BV RINA NK KR RS CCS product certification and the fastest construction time.