USA UNS UNS S44020 Martensitic special steel and UNS S44020 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
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Steel Grades | Special Steel | UNS S44020 | UNS | USA | Martensitic special steel |
ASTM 431 |
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UNS S43100 |
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AISI 440A |
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ASTM 440A |
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UNS S44002 |
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AISI 440B |
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ASTM 440B |
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UNS S44003 |
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ASTM 440C |
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UNS S44004 |
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) | N(%) |
---|---|---|---|---|---|---|---|---|
0.95-1.20 | Max 1.00 | Max 1.25 | Max 0.04 | Max 0.10-0.35 | 16.0-18.0 | Max 0.75 | 0.40-0.60 | Max 0.08 |
Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
---|---|---|---|---|---|---|
635 (≥) | 869 (≥) | 44 | 12 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 312 |
Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
---|---|---|---|---|---|---|---|
44 | - | - | 0.13 | - | |||
648 | 155 | - | 21.3 | 312 | - | ||
663 | - | 42 | 44.2 | 222 | 441 |
Heat treated : 1924°C - 1827°C
Grade | Standard | Country | Application |
---|---|---|---|
UNS G10300 | UNS | USA | General use carbon steel bar |
UNS G10050 | UNS | USA | General use carbon steel bar |
UNS G10060 | UNS | USA | General use carbon steel bar |
UNS G10080 | UNS | USA | General use carbon steel bar |
UNS G10110 | UNS | USA | General use carbon steel bar |
ASTM 1012 | ASTM | USA | General use carbon steel bar |
UNS G10120 | UNS | USA | General use carbon steel bar |
UNS G10130 | UNS | USA | General use carbon steel bar |
UNS G10150 | UNS | USA | General use carbon steel bar |
UNS G10160 | UNS | USA | General use carbon steel bar |
UNS G10170 | UNS | USA | General use carbon steel bar |
UNS G10180 | UNS | USA | General use carbon steel bar |
UNS G10190 | UNS | USA | General use carbon steel bar |
UNS G10200 | UNS | USA | General use carbon steel bar |
UNS G10210 | UNS | USA | General use carbon steel bar |
UNS T72301 | UNS | USA | Carbon tool steel |
W2-A | ASTM | USA | Carbon tool steel |
UNS T72302 | UNS | USA | Carbon tool steel |
UNS S42800 | UNS | USA | Martensitic special steel |
UNS S43100 | UNS | USA | Martensitic special steel |
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