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ATI Allvac® Vasco® 4340 Specialty Steel, Heat Treatment: 899°C (1650°F) Q+T

Category Metal , Ferrous Metal , Alloy Steel
Manufacturer ATI Allvac
Trade Name Vasco®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF ATI Allvac® Vasco® 4340 Specialty Steel, Heat Treatment: 899°C (1650°F) Q+T.pdf
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Material Notes:
Data provided by Allvac.Applications: Rocket motor cases, ordnance hardware, aircraft structural components, transmission gears, components, fasteners.
Physical Properties Metric English Comments
Density 7.83 g/cc
0.283 lb/in³
Mechanical Properties Metric English Comments
Hardness, Brinell 422
422
Estimated from Rockwell C value for Brinell test with 3000 kg load/10 mm diameter ball
Hardness, Knoop 463
463
Estimated from Rockwell C value.
Hardness, Rockwell C 45
45
Hardness, Vickers 442
442
Estimated from Rockwell C value.
Tensile Strength, Ultimate 1724 MPa
250000 psi
Tensile Strength, Yield 1517 MPa

@Strain 0.200 %
220000 psi

@Strain 0.200 %
Elongation at Break 8.0 %
8.0 %
Reduction of Area 18 %
18 %
Component Elements Properties Metric English Comments
Carbon, C 0.41 %
0.41 %
Chromium, Cr 0.80 %
0.80 %
Iron, Fe 96 %
96 %
as balance
Manganese, Mn 0.70 %
0.70 %
Molybdenum, Mo 0.25 %
0.25 %
Nickel, Ni 1.9 %
1.9 %
Phosphorous, P 0.018 %
0.018 %
Silicon, Si 0.23 %
0.23 %
Sulfur, S 0.020 %
0.020 %
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