Aisi M2 1.3343 SKH51 25mm Round Bar Structural Alloy steel

1000 Kilogram
$0.60 / Kilogram
Aisi M2 1.3343 SKH51 25mm Round Bar Structural  Alloy steel
Features Gallery Product Description Request A Quote
Steel Grade: AISI M2 1.3343 SKH51
Alloy Or Not: Is Alloy
Technique: Hot Rolled
Application: Structural Steel Bar,Die Steel Bar,Tool Steel Bar
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
High Light:

Aisi M2 25mm round bar


SGS 25mm round bar

Basic Infomation
Place of Origin: Tianjin
Brand Name: Gnee
Certification: SGS
Model Number: AISI M2 1.3343 SKH51
Payment & Shipping Terms
Packaging Details: Steel strip packed,Standard Export Seaworthy Package.Suit for all kinds of transport,or as required
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 1000 Ton/Tons per Month
Product Description

Aisi M2 1.3343 Skh51 Round Steel Bar Round Bar Round Bar Rod Round Steel Bar Stock


Diameter: 10mm-1000mm (optional)
Length: 1000mm-12000mm Straightness: 3mm/M max(optional)
Process: Forged from vacuum degassed ingots.
Delivery condition: Hot forged Rough machined (black surface after Q/T) Turned (optional)
Delivery Time: 25 days
Heat treatment: Normalized / Annealed / Quenched / tempered (optional)
Technical Data: According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing
Properties: Prime quality 80mm sae 1020 steel round bar sizes
Test: Ultrasonic test according to SEP 1921-84 Class C/c and D/d (optional)
Marking: Grade, heat NO. length will be stamped one each bar with required color
Payment: 30% advance by TT, Balance pay before the shipment against shipping documents or irrevocable LC at sight

JIS SKH51 tool steel have good hot-hardness and high quenching hardness. Its others name have Wind steel or Sharp steel, mean even quenching cooling in air can be hardened, and very sharp. Normal use in Tool, Forging industry, Screw industry, etc. Tool industry: scraper, hob cutter, milling cutter, drill bit, etc.

AISI M2 Steel Round Bar Sheet Plate, JIS SKH51, DIN 1.3343 M2 high speed tool steel is tungsten-molybdenum high-speed steel with a well-balanced carbon composition and high toughness. It is also called JIS SKH51 and DIN 1.3343 steel.

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
ASTM A600 M2 0.78-0.88 0.15-0.4 0.03 0.03 0.2-0.40 3.75-4.50 1.75-2.2 4.5-5.5 5.5-6.75
DIN EN ISO 4957 1.3343 0.86-0.94 0.40 0.03 0.03 0.45 3.80-4.50 1.70-2.0 4.7-5.2 6.0-6.70
JIS G4403 SKH51 0.80-0.88 0.40 0.03 0.03 0.45 3.80-4.50 1.70-2.1 4.5-5.5 5.9-6.70
GB/T 9943 W6Mo2Cr4V2 0.80-0.90 0.15-0.4 0.03 0.03 0.2-0.45 3.80-4.40 1.75-2.2 4.5-5.5 5.5-6.75

Physical Property

Density,g/cm3 8.1
Melting point,°C 1430
Modulus of elasticity,N/mm2 217 x 10^3
Thermal conductivity,W/m °C 19
Specific heat,J/kg °C 460
Electrical Resistivity,ohm*mm2/m 0.54
Machinability 50-60% of a 1% carbon steel

Thermal Expansion

10^-6 m/(m*K)

10^-6 in/in °F
°F °C
212 100 11.5 6.5
392 200 11.7 6.6
572 300 12.2 6.9
752 400 12.4 7
932 500 12.7 7.1
1112 600 13 7.3
1292 700 12.9 7.3

Mechanical Property

Hardness, Rockwell C (tempered at 620°C, quenched at 1200°C) 62
Hardness, Rockwell C (as hardened, quenched at 1200°C) 65
Compressive yield strength (when tempered at 150°C) 3250 MPa
Izod impact unnotched (when tempered at 150°C) 67 J
Abrasion (loss in mm 3 , as-hardened; ASTM G65) 25.8
Abrasion (loss in mm 3 , tempered at 690°C; ASTM G65) 77.7
Poisson's ratio 0.27-0.30
Elastic modulus 190-210 GPa

AISI M2 1.3343 SKH51 Round Steel Bar Round Bar Round Bar RodAISI M2 1.3343 SKH51 Round Steel Bar Round Bar Round Bar Rod



Q: What is your time of making a sample

A: Usually we will take 1~3 days to make the sample


Q: What is your MOQ?
A: Usually 20 feet containers ( 25 tons) for section steel

Q: What is your delivery time?
A: For stocks, we can send the goods to loading port within 7 days after receiving your deposit
For production period, it usually needs about 15days- 30 days after receiving the deposit

Q: What is your service?
A: We will try our best to satisfy your per request.
We prepare to provide the pre-sales serves, service during sales and afer-sales service for coustomes by the way of advance service, value added service and personalized service.

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Fax : 86-372-5055180
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