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Brand Name : Gnee
Model Number : AISI M42 1.3247 SKH59
Certification : SGS
Place of Origin : Tianjin
MOQ : 1000 Kilogram
Price : $0.60 / Kilogram
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability : 1000 Ton/Tons per Month
Packaging Details : Steel strip packed,Standard Export Seaworthy Package.Suit for all kinds of transport,or as required
Steel grade : AISI M42 1.3247 SKH59
Alloy or not : Is Alloy
Technique : Hot Rolled
Application : Structural Steel Bar,Die Steel Bar,Tool Steel Bar
Standard : ASTM,DIN,GB,AISI,JIS
Shape : Round
Length : 1m-6m,as your request
Material : Die alloy steel round bars
Surface : black or bright
Product name : Alloy Steel Round Bar 40Cr 4140 D2 alloy steel round bars
Diameter : 12mm-650mm
Delivery condition : within15 days after received the deposit
AISI M42 1.3247 SKH59 Round Steel Bar Round Bar Round Bar Rod Round Steel Bar Stock
Product name | Round bar rod |
Diameter | 8-650mm |
Color | Black,mill,polished,brush,etc |
Technique | Cold rolled/Hot rolled |
Application | To prevent the hull from being corroded by chemical corrosion, electro chemical corrosion and sea life and microorganisms. Auto parts, aviation, aerospace hardware tools, chemical and other industries. It is used in make ship body ,decks etc. |
M42 Tool Steel | SKH59 | HS 2-9-1-8 | 1.3247 High Speed Steel. SAE M42 Tool Steel is high cobalt high speed steel. And High Speed Steel toughness and is mainly used for high toughness precision wear-resistant metal cold die.Moreover it also can be used for the cutting tool and the knife in the cooling.
AISI high speed steel material M42 tool steel is a molybdenum-series high-speed steel alloy with an additional 8% cobalt. (HSS Steel M42) 8% Cobalt tool bits are designed for machining work hardening alloys and other tough materials. They have increased water resistance and tool life. This improves performance and retention of the cutting edge.
Supply Form & Size & Tolerance
Round bar | ||||
Diameter | 1-16mm | 10-50mm | 50-180mm | 180-300mm |
Process | Cold Drawn | Hot Rolled | Hot Forged | Free Forging |
Flat bar | ||||
Thickness | 1-2.5mm | 1.5-20mm | 20-300mm | |
Width | Max 800mm | Max 800mm | Max 800mm | |
Process | Cold Drawn | Hot Rolled | Hot Forged |
Remark:Tolerance can be customized as per requests
Chemical Composition
Standard | Grade | C | Mn | P | S | Si | Cr | V | Mo | W | Co |
ASTM A600 | M42 | 1.05-1.15 | 0.15-0.4 | 0.03 | 0.03 | 0.15-0.65 | 3.5-4.25 | 0.95-1.35 | 9.0-10.0 | 1.15-1.85 | 7.75-8.75 |
DIN EN ISO 4957 | 1.3247 | 1.05-1.15 | 0.4 | 0.03 | 0.03 | 0.7 | 3.5-4.5 | 0.90-1.30 | 9.0-10.0 | 1.20-1.90 | 7.50-8.50 |
JIS G4403 | SKH59 | 1.05-1.15 | 0.4 | 0.03 | 0.03 | 0.7 | 3.5-4.5 | 0.90-1.30 | 9.0-10.0 | 1.20-1.90 | 7.50-8.50 |
Physical Property
Density,g/cm3 | 8.1 |
Modulus of elasticity,N/mm2 | 220x 10^3 |
Thermal conductivity,W/m °C | 20 |
Specific heat,J/kg °C | 429 |
Electrical Resistivity,ohm*mm2/m | 0.52 |
Machinability | 35-40% of a 1% carbon steel |
Thermal Expansion
Temperature | 10^-6 m/(m*K) | 10^-6 in/in °F | |
°F | °C | ||
212 | 100 | 11 | 6.2 |
392 | 200 | 11.5 | 6.5 |
572 | 300 | 11.9 | 6.7 |
752 | 400 | 12.3 | 6.9 |
932 | 500 | 12.4 | 7 |
1112 | 600 | 12.5 | 7 |
1292 | 700 | 12.5 | 7 |
Mechanical Property
Hardness, Rockwell C(oil quenched from 1163°C, 5 minutes) | 65.8 |
Hardness, Rockwell C (oil quenched from 1177°C, 5 minutes) | 65.5 |
Hardness, Rockwell C (oil quenched from 1204°C, 5 minutes) | 64.3 |
Izod impact unnotched (oil quenched at 1191°C; 510°C temper temperature) | 13.6 J |
Izod impact unnotched (oil quenched at 1191°C; 622°C temper temperature) | 24.4 J |
Poisson's ratio | 0.27-0.30 |
Elastic modulus | 190-210 GPa |
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AISI M42 1.3247 SKH59 Hot Rolled Steel Round Bar , 20mm Round Bar Images |