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Cold Work Steel ( DIN-1.2379) (D-2)

Cold Work Steel ( DIN-1.2379) (D-2)
Cold Work Steel ( DIN-1.2379) (D-2)
Product Code : 30
Brand Name : TGK SPECIAL STEEL PVT. LTD
Product Description

Cold Work Steel( DIN-1.2379) (D-2)

Steel Properties : 12% ledeburitic chromium steel. Maximum wear resistance, good toughness. Best cutting-edge endurance and resistance to tempering, can be nitrided after special heat treatment.

Applications : Thread rolling rolls and thread rolling dies, cold extrusion tools, cutting and stamping tools for sheet thicknesses up to 6mm, precision cutting tools up to 12 mm. Cold pilger mandrels, circular-shear blades, deep-drawing tools, pressure pads and highly resistant plastic moulds.

E.S.R. materials, high compression strength and fine robustness. The spheroical annealed make it easily processed by shearing and cutting with no crake while processing.

Applied in thickness no less than 2mm punch mould, all kind of small mould for shearing and cutter together with screw rolled or slappered mould as well as some other forming mould like rulers.

Similar steel grade :

BRAZIL

AUSTRIA

GERMANY

SLOVANIA

ITALY

JAPAN

S.KORIA

CHEZ. REP

VILLARES

BOHLER

DEW

GRODITZ

RAVNE

LUCCHINI

HITACHI

NIPPON
SANYO
DOOSAN

POLDI

VD2
K110
1.2379
1.2379
OCR12VM
DUYOS2379
SLD
KD11V
QC11
STD 11
2002K

Chemical Composition: (%) 

Indian
Chemical Analysis Typical Value % (Min - Max)
Delivery Condition
IS
C
S
P
Si
Mn
Ni
Cr
Mo
V
W
other
Heat
Treatment
Hardness
XT8W6M05Cr4V2
1.45-
1.60
0.03
0.03
0.10-
0.60
0.20-
0.60
***
11.0-
13.0
0.70-
1.00
0.70-
1.00
***
***
Annealed
HB255

Production process:

Round Bar :

EAFLFVDESR→BLOOM FORGED (5TONS HAMMER)   (FORGED & TURNED) - 81.0-610.0mm  
(HOT ROLLED & PEELED) - 14.5-80.0mm ANNEALED CONDITION
  (COLD GROUND) - 4.5-14.4mm  

Flat Bar :
EAFLFVD  
FORGED
 
 
(5TONS HAMMER)
HOT ROLLED (850) ANNEALED CONDITION
 
HOT ROLLED (910)
 


UT STANDARD : REDUCTION RATIO : DELIVERY STATUS :
SEP 1921, (DEC.84)E/e As 1:4 or 1:5 As Hot rolled & forged, delivery condition : Annealed


Size : Round

Cold Drawn/Ground Bar
Hot Rolled Annealed & Peeled Bar
Forged + Annealed + Turned Bar
4.5 - 14.4mm
14.5 - 80.0mm
81.0 - 610.0mm

Size : Hot Rolled Flat Bars / Sand Blasted & Machined Straight

Thickness
Width
14mm - 100mm
100mm - 710mm
SIZE : SHEET
1.2mm - 10mm

Size : Sheet

1.2mm - 8.00mm

1) Heat Treatment Condition :
Quenching temperature : 1000-1040℃
Cooling Medium : Oil-cooling or air-cooling
Tempering temperature : 180-200℃, by two times;
Tempering Hardness : 63.0HRC

2) Heat Treatment Condition :
Quenching temperature : 1060-1080℃
Cooling Medium : Oil-cooling or air-cooling
Tempering temperature : 500-540℃, by two times;
Tempering Hardness : 59.0 - 61.0HRC

 


TGK SPECIAL STEEL PVT. LTD.

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