H21 Hot Work Tool Steel/3Cr2W8V/1.2581/SKD5

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H21 Hot Work Tool Steel/3Cr2W8V/1.2581/SKD5
Posting date : Jul 31, 2014
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Free Member Scince Sep 20, 2011
Payment Terms
T/T,L/C
Keyword :
TOOL STEEL
Category
METALS | Iron and steel
Contact
Amy Wang
Selling Leads Detail
Company Info
 
Quick Detail
Place of Origin
China [CN]
Brand Name
RISUN
HS-CODE
72-
Package & Delivery Lead Time
Detailed Description

Product Name: 3Cr2W8V/H21/1.2581/SKD5/round bar/flat bar/hot work tool steel/die steel/mould steel

 

Chemical Composition

Standard

Steel Grade

C

Si

Mn

P

S

Cr

Mo

V

W

DIN

1.2581

0.25-0.35

0.15-0.30

0.20-0.40

0.035

0.035

2.50-2.80

-

0.30-0.40

8.00-9.00

ASTM

H21

0.26-0.36

0.15-0.50

0.15-0.40

0.030

0.030

3.00-3.75

-

0.30-0.60

8.50-10.0

GB

3Cr2W8V

0.30-0.40

≤0.40

≤0.40

0.030

0.030

2.20-2.70

-

0.20-0.50

7.50-9.00

 

 

Specification

Round bar

Diameter

Length

-

Forged round bar šφ50~450

2000~6000

-

 Rolled round bar φ10~80

 2000~6000

-

Flat bar

Thickness(mm)

Width(mm)

Length(mm)

Forged plate  š20~300

50~710

2000~6000

Rolled plate 10~65

155~610

2000~6000

 

 

Characteristics

  1. High intensity and hardness under at high temperature. Hardness can reach 300HBS at 650„ƒ.
  2. Fault surface within 80mm in thickness can be fully hardened.
  3. Relatively high phrase transformation temperature good hot fatigue resistance to alternation of heat and cold.
  4. Plasticity and toughness are comparatively low.

 

Application

  1. For making mould which is working at high temperature and stress but without impact load.
  2. For making mould which can afford high compressive stress, bending stress and tensile stress.
  3. For making metal parting tool which is working under high temperature.

 

Delivery condition

Annealing, hardness is below 255HB.

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