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ABS marine grade steel plates AH40 shipbuilding plate properties

ABS marine grade steel plates AH40 shipbuilding plate properties

ABS marine grade steel plates AH40 shipbuilding plate properties

Thickness: 3-150mm
Width: 1220-4200mm
Length: 5000-18000mm Note:coil thickness≤25mm

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ABS marine grade steel plates AH40 shipbuilding plate is high strength structural steel for ships. There are equivalent grades of ABS AH40, which are differed by being certified by different classification societies, such as BV AH40, CCS AH40, NV A40, GL-A40, RA40, LR AH40, KA40, RINA AH40, and so on. ABS marine grade steel plates AH40 shipbuilding plate shall be normalized, control rolled, thermomechanical control processed, or quenched and tempered. We can do Z direction test: Z15, Z25, Z35 for ABS marine grade steel plates AH40 and so on shipbuilding plates.

ABS marine grade steel plates AH40 shipbuilding plate properties - chemical composition:
(heat analysis, % max unless otherwise specified)
Notes: 1) The contents of any other element intentionally added is to be determined and reported.

  1. ABS marine grade steel plates AH40 with 0.5 in. [12.5 mm] and under thickness may have a minimum Mn content of 0.70 %.
  2. If the content of soluble aluminum is not less than 0.015 %, the minimum required silicon content does not apply.
  3. The indicated amount of aluminum, columbium (niobium), and vanadium applies if any such element is used singly.
  4. Ca element need not be reported on the mill sheet unless intentionally added.

C

Si

Mn

P

S

Al Min.

Cb

V

Ti

Cu

Cr

Ni

Mo

Ca

N

0.18

0.10-0.50

0.90-1.60

0.035

0.035

0.015

0.02-0.05

0.05-0.10

0.02

0.35

0.20

0.40

0.08

0.005

-


ABS marine grade steel plates AH40 shipbuilding plate properties - mechanical property:


ABS AH40

Strength

CharpyVImpactTest

Thickness

Yield strength

Tensile strength

Temperature

Transverse

Longitudinal

mm

MinMpa

Mpa

0℃

J

J

t≤50

390

510-650

26

39

50<t≤70

390

510-650

31

46

70<t≤100

390

510-650

37

55

ABS marine grade steel plates AH40 shipbuilding plate shall do Charpy V-notch test when the thickness ≥ 1/4 in. [6.4 mm]. With high strength, good toughness, corrosion resistance, welding performance and so on advantages, ABS marine grade steel plates AH40 are widely used to build offshore engineering structures in ocean, coastal and inland navigation areas.

 

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