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Latrobe Lescalloy® D6AC VAC-ARC High Strength Alloy Steel

Category Metal , Ferrous Metal , Alloy Steel , Low Alloy Steel , Carbon Steel , Medium Carbon Steel
Manufacturer Latrobe Steel
Trade Name Lescalloy®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Latrobe Lescalloy® D6AC VAC-ARC High Strength Alloy Steel.pdf
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Material Notes:
LESCALLOY D6AC VAC-ARC steel is a medium carbon, low alloy, ultra high strength steel primarily designed for high strength structural applications requiring strength leaves up to 280,000 psi. This alloy provides a high yield strength to tensile strength ratio, combined with good ductility. A tough and fibrous fracture is exhibited to as low as -210°F in impact testing; also the notch toughness is excellent. It has been selected for fracture toughness critical applications at a variety of strength levels. The deep hardening characteristics of D6AC steel make it applicable for fairly large sections. Lescalloy D6AC VAC-ARC steel is produced by the consumable electrode vacuum arc remelting process to provide optimum cleanliness and preferred ingot structure, which in turn provide optimum transverse mechanical properties.Heat Treatment - Austenitized at 1650°F. Oil quenched and air cooled, or salt quenched at 400-425°F for 10 minutes and air cooledInformation Provided by Timken Latrobe Steel.Timken sold Latrobe in December 2006. They are now Latrobe Specialty Steels Co.
Physical Properties Metric English Comments
Density 7.86 g/cc
0.284 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell C 36
36
650°C Temper
46
46
510°C Temper Temperature
53
53
316°C Temper Temperature
Tensile Strength, Ultimate 1570 MPa
228000 psi
510°C Temper Temperature
1930 MPa
280000 psi
316°C Temper Temperature
Tensile Strength, Yield 1345 MPa
195100 psi
510°C Temper Temperature
1724 MPa
250000 psi
316°C Temper Temperature
Elongation at Break 7.0 %
7.0 %
316°C Temper Temperature
7.0 %
7.0 %
510°C Temper Temperature
Reduction of Area 23 %
23 %
316°C Temper Temperature
25 %
25 %
510°C Temper Temperature
Modulus of Elasticity 210 GPa
30500 ksi
76.5 GPa

@Temperature 649 °C
11100 ksi

@Temperature 1200 °F
163 GPa

@Temperature 427 °C
23700 ksi

@Temperature 801 °F
Machinability 50 - 55 %
50 - 55 %
AISI B1112 Screw Stock
Thermal Properties Metric English Comments
CTE, linear 13.16 µm/m-°C

@Temperature 38.0 - 93.0 °C
7.311 µin/in-°F

@Temperature 100 - 199 °F
16.1 µm/m-°C

@Temperature 316 - 704 °C
8.95 µin/in-°F

@Temperature 601 - 1300 °F
Component Elements Properties Metric English Comments
Carbon, C 0.46 %
0.46 %
Chromium, Cr 1.1 %
1.1 %
Iron, Fe 95.74 %
95.74 %
Manganese, Mn 0.75 %
0.75 %
Molybdenum, Mo 1.0 %
1.0 %
Nickel, Ni 0.60 %
0.60 %
Silicon, Si 0.25 %
0.25 %
Vanadium, V 0.10 %
0.10 %
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