105crw6 DIN1.2419 Sks31 O7 Cold Working Die Steel

Product Details
Customization: Available
Type: Round
Standard: AISI, ASTM, DIN, JIS, BS
Manufacturer/Factory, Trading Company

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  • 105crw6 DIN1.2419 Sks31 O7 Cold Working Die Steel
  • 105crw6 DIN1.2419 Sks31 O7 Cold Working Die Steel
  • 105crw6 DIN1.2419 Sks31 O7 Cold Working Die Steel
  • 105crw6 DIN1.2419 Sks31 O7 Cold Working Die Steel
  • 105crw6 DIN1.2419 Sks31 O7 Cold Working Die Steel
  • 105crw6 DIN1.2419 Sks31 O7 Cold Working Die Steel
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Basic Info.

Model NO.
105CrW6 DIN1.2419 SKS31 O7
Technique
Hot Forged or Hot Rolled
Shape
Round,Flat or Square
Surface Treatment
Black Surface, Grinded,Peeled,Milled,Polished
Special Use
Mold Steel
Application
Tool Steel Bar
Size Range
Round Bar:Dia12~420mm Flat Bar:2~420 X 30~1500mm
Smelting Process
Ef, Eaf, ESR
Delivery Condition
Hot Rolled, Forged, Annealed,Quenched and Tempered
Surface Condition
Black Surface, Grinded,Peeled,Milled,Polished
Transport Package
Seaworth Packing
Specification
Round Bar: Dia12~420mm Flat Bar: 2~420 X 30~1500mm
Trademark
FUSHUN
Origin
Huangshi, Hubei
HS Code
7228600000
Production Capacity
5000tons/Year

Product Description

105crw6 DIN1.2419 Sks31 O7 Cold Working Die Steel105crw6 DIN1.2419 Sks31 O7 Cold Working Die Steel105crw6 DIN1.2419 Sks31 O7 Cold Working Die Steel105crw6 DIN1.2419 Sks31 O7 Cold Working Die SteelIntroduction:

O7 Cold Working Die Steel is one kinds of oil hardening cold working die steel, which consists of chromium and manganese, and has higher tungsten content than grade O1. The O7 steel has the best wear resistance among the O series steels, however, it has relatively low hardenability.

Applications:

Cutting and punching tools for sheet thickness up to 6 mm, also for paper and plastics, roll shear blades for sheet thickness up to 6 mm, small bending and drawing tools, thread cutting tools, reamers, woodworking tools, gauges and other measuring tools, small inserts and plastic moulds.

Quality Standard:

ASTM A681 - 08 Standard Specification for Tool Steels Alloy.
BS EN ISO 4957 Tool Steel
JIS G4404 Alloy Tool Steel

All Grades Comparison:

ASTM Material No. EN JIS GB
O7 1.2419 105WCr6 SKS31 CrWMn

Chemical Composition(%)

Steel Grade C Si Mn P S Cr V W Mo
O7 1.10-1.30 0.10-0.60 0.20-1.00 0.030 max 0.030 max 0.35-0.85 0.15-0.40 1.00-2.00 0.30 max
SKS31 0.95-1.05 0.35 max 0.90-1.20 0.030 max 0.030 max 0.80-1.20 / 1.00-1.50 /
105WCr6 1.00-1.10 0.1-0.40 0.80-1.10 0.030 max 0.030 max 0.90-1.10 / 1.00-1.30 /
CrWMn 0.90-1.05 0.40 max 0.80-1.10 0.030 max 0.030 max 0.90-1.20 / 1.20-1.60 /

HEAT TREATMENT:

· FORGING: Hot forming temperature: 1050-850°C
· SOFT ANNEALING: Heat to 720-750°C, cool slowly in furnace. This will produce a maximum Brinell hardness of 230.
· STRESS RELIEVING:Stress relieving to remove machining stresses should be carried out by heating to approx. 650°C, holding for 1-2 hours at heat, followed by air cooling. This operation is performed to reduce distortion during heat treatment.
· HARDENING:Harden from a temperature of 800-830°C followed by oil quenching or warm bath quenching approx. 200°C. Hardness after quenching is 63-65 HRC.
· TEMPERING: Tempering temperature: See the data bellow.
Tempering Temperature Hardness(HRC)
100°C 64
200°C 61
300°C 58
400°C 54
500°C 49
600°C 41
650°C 30

Mill′s test certificate:

EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.
 105crw6 DIN1.2419 Sks31 O7 Cold Working Die Steel

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