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39MnCrB5-2 structural alloy steel
39MnCrB5-2 steel plate

39MnCrB5-2 alloy steel is used for mechanical parts and all kinds of engineering components and contains one or several kinds of a certain amount of alloy element in steel.

39MnCrB5-2 Alloy structural steel is widely used in ships,vehicles,aircraft,missiles,weapons,railways,Bridges,pressure vessels and so on. Delivery Condition:Hot forged,hot rolled,cold rolled,cold drawn.

39MnCrB5-2 alloy steel plate/sheet chemical composition %

C

Si
max

Mn

P max

S max

Nmax

B

0.17-0.23

0.40

1.10-1.40

0.025

0.035

0.009

0.0008-0.0050

39MnCrB5-2 alloy steel sheet/plate Mechanical properties at room temperature in the quenched and tempered condition


Grade

Mechanical properties for the ruling section
with a diameter (d) or for flat products thickness (t) of

 

39MnCrB5-2

 

d ≤ 16 mm t ≤ 8 mm

16 mm < d ≤ 40 mm 8 mm < t ≤ 20 mm

Remin(Mpa)

Rm(Mpa)

A min(%)

Zmin(%)

KVbmin(J)

Remin(Mpa)

Rm(Mpa)

Amin(%)

Zmin(%)

KVbmin(J)

900

1100-1350

12

50

~

850

1050-1250

12

50

40

Size Range:

 

Diameter(mm)

Thickness (mm)

Width (mm)

Length(mm)

Round

1.0-1000

-

-

2000-11800

Square

10-1000

-

-

2000-11800

flat

-

20-800

80-2000

2000-11800

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Related Product:

20MnB5,27MnCrB5-2,30MnB5,33MnCrB5-2,38MnB5,28Mn6

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