ABS FQ51 steel plate

Nov 04, 2025 Leave a message

ABS Grade FQ51,ABS FQ51 steel plate,ABS FQ51 ship plate is mainly used to make ship cranes owning to its alloy elements and high strength property.When supplying ship steel plate ABS FQ51,low temperature impacting test shall be done under minus 60 centigree,about the impacting energy values,the end user can indicate it in their technical requirement list.

 

Steel Standard:ABS (American Bureau of Shipping)

Rolling Type:Extra high strength ship plate

Thickness:6mm-250mm

Width:1500mm-4200mm

Length:3000mm-18000mm

Heat Treatment:Quenched and Tempered

 

Technical Requirements & Additional Services for ABS FQ51 steel plate:
High tension test
Z-Test (Z15,Z25,Z35)
Low temperature impacting test
Ultrasonic test under ASTM A435,A577,A578
Cetificated by ABS,LR,GL,BV,DNV,KR,NK,CCS,RINA
Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
Shot blasting and Painting,Cutting and welding as per end user's demands

 

ABS FQ51 Extra high Strength Chemical Composition in Tempering and Quenching

Grade

The Element Max (%)

C

Si

Mn

P

S

N

ABS FQ51

0.18

0.55

1.60

0.025

0.025

0.02

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】%

 

 

ABS FQ51 Extra high strength property in tempering and quenching

Grade

Mechanical Property

Charpy V Impact Test

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

Min Mpa

Mpa

Min %

-60

J

J

ABS FQ51

500

610-770

16

33

50

Note: Energy 1 is transverse impact test, Energy 2 is longitudinal