Technical Help

AISI

-

-

H13

H13 ESR

H11 ESR

H11

H13

H13

L6

DIN/EN

1.2367/8418

-

1.2344

1.2344 ESR

1.2343 ESR

1.2343

CR7V

1.2344

1.2714

JIS

DAC55

DAC3

SKD61

SKD61 ESR

FDAC ESR

SKD6

SKD61

SKD61

-

Delivery Hardness (HB)

≤200HB

≤200HB

≤230HB

≤200HB

≤200HB

≤230HB

≤230HB

180-210HB

≤248HB

Austenitizing temperature℃

1010~1030

1010~1040

1010~1040

1010~1040

1000~1030

1000~1030

1010-1050

1020-1050

980-1050

Hardness of Quenched Sample (HRC)

46~50

45~52

42~52

44~52

42~50

42~50

48-56

30-56

36-52

Product Features

Die-casting mold steel of ultra-high performance

To meet and exceed die-casting material requirement of NADCA207 specification

Universal hot work die steel

High quality hot work die steel

hot work and plastic die steel of high heat resistance

Hot work and plastic die steel

Hot working die steel

Pressure-resistant hot-working die steel.

High heat resistance hot forging die steel

Application

aluminum/magnesium alloy die-casting molds, copper alloy die-casting molds and extrusion molds with complex structure and long life

medium and large molds of die-casting, hot forming, hot forging, hot extruding with aluminum/

magnesium material

tools and plastic molds of hot forging, extruding and stamping

high pressure die casting, hot extruding, pressure casting molds and plastic molds

plastic molds with high requirements for toughness and surface

plastic molds with a thickness of more than 400mm; and auto lamp molds, automobile bumper and dashboard molds, etc.

hot stamping dies and hot forging dies.

aluminum alloy die-casting molds, and hot extrusion and perforation molds.

hot forging tools; extrusion tools; hot shearing, thermoforming and hot compressing tools

AISI

P20+Nb

P20+Ni

420

P20+Ni+V

P20

DIN/EN

1.2738

1.2738H

1.2083

XPM

1.2311

JIS

HPM7

PAC5000

SUS420

-

-

Delivery Hardness (HB)

Pre-hardened

Pre-hardened

Pre-hardened

Pre-hardened

Pre-hardened

Austenitizing temperature℃

Pre-harden

Pre-harden

Pre-harden

Pre-harden

Pre-harden

Hardness of Quenched Sample (HRC)

32~38

34~40

31~36

36~42

28~34

Product Features

Improved plastic mold steel of grade 718

Improved plastic mold steel of grade 1.2738

Plastic mold steel of high mirror surface with corrosion resistance

Improved plastic mold steel of grade 1.2738

universal pre-hardened plastic mold steel

Application

Suitable for large section plastic molds such as household appliances

plastic molds of super-large cross section by compression molding and injection molding

Suitable for plastic molds produced in a weak-acid environment, with good polishing performance

plastic molds of large cross section by compression molding and injection molding

Suitable for most universal plastic molds

AISI  

-

A4

DIN/EN

ASSAB 88

CALMAX (from ASSAB)

JIS

DC53

-

Delivery Hardness (HB)

≤235HB

≤230HB

Austenitizing temperature℃

1010~1100

850~950

Hardness of Quenched Sample (HRC)

60~65

58~64

Product Features

Chrome steel with better toughness than that of grade 1.2379, anti-chipping and anti-cracking

Cold-work die steel of high-strength and toughness, impact-resistance which has better toughness than that of grade DC53

Application

Electrical-Discharge-Machining stamping dies, cold forging, deep drawing and thread rolling dies, punches, etc.

Cold stamping dies, cold extrusion dies, cold heading dies, cold shearing of plates