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1.2379 D2 SKD11 Hot Forged Big Size ESR Cold Work Tool Steel Bar For Rollers

1.2379 D2 SKD11 Hot Forged Big Size ESR Cold Work Tool Steel Bar For Rollers

1.2379 D2 SKD11 Hot Forged Big Size ESR Cold Work Tool Steel Bar For Rollers
CategoriesRound Forgings
Brandfushun
Model1.2379 D2 SKD11
size range300-1000mm
shaperound
Processhot forged
Delivery Condtionannealed
Surface Conditionsmooth, bright
FOB portShanghai
Terms of PaymentL/C, T/T
Update TimeMar 29,2024
Detail Information

Introduce:

Cold rolling is a forming process which takes place below recrystallization temperature. It involves further reduction of already hot-rolled strip and a determining of the mechanical and technological properties of the same strip. Due to specific requirements during processing, cold rolling isregarded as a speciality within the diverse application areas of cold-work tool steels. They nevertheless have uses in other fields such as back-up rolls, straightening and section-bending rolls.

Application
These materials are used in large machinery in the cold forming of steel, such as cold rolled strip rollers, cold rolled profile rollers, welded tube forming rollers, etc.

Standard:

Similar Grades: 

ASTM

Material No.

DIN

EN

D2

1.2379

X155CrVMo12-1

X160CrMoV121

Chemical Composition:

Grade

C

Mn

Si

P

S

Cr

Mo

V

1.2379

1.45-1.6

0.20-0.60

0.10-0.6

0.03 max

0.03 max

11.0-13.0

0.7-1.0

0.7-1.0

Size & Process

Round Size Rnage:300-1000mm

Steel-making: EF/EAF+ESR 

Process: Hot Forged

Delivery condition: Annealed

Surface condition: Bright

Heat treatment:

Annealed(+A) max: 255HB
Annealing: slow cooling at 650ºC-850ºCfurnace
Quenching: Preheat 650ºC~750ºC increased to 1010ºC, air-cooled,  or into the 996ºC to keep the salt bath, then cooled.
Tempering: The cold work D2 tool steel general tempering temperature is 170ºC-190ºC , Double tempering of Double tempering of D2 tool steel is recommended. 

d2 steel
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