4140

AISI 4140 機械性質

請問

有人知道AISI 4140 的降伏應力 與 彈性模數嗎請告訴我 查詢的地點 或 網址 謝謝
翻機械便覽或Google查一下就很多了。

彈性模數應該都一樣

但降伏應力每個地方查到都會有差距

要注意一下。

AISI 4140 Steel

annealed at 815°C (1500°F) furnace cooled 11°C (20°F)/hour to 665°C (1230°F)

air cooled

25 mm (1 in.) roundPhysical PropertiesMetricEnglishComments檢視圖片Density7.85 g/cc0.284 lb/in³ Mechanical Properties檢視圖片Hardness

Brinell197197 Hardness

Knoop219219 Converted from Brinell hardness.Hardness

Rockwell B9292 Converted from Brinell hardness.Hardness

Rockwell C1313 Converted from Brinell hardness. Value below normal HRC range

for comparison purposes only.Hardness

Vickers207207 Converted from Brinell hardness.Tensile Strength

Ultimate655 MPa95000 psi Tensile Strength

Yield415 MPa60200 psi Elongation at Break25.7 %.7 % in 50 mmReduction of Area56.9 V.9 % Modulus of Elasticity205 GPa29700 ksi Typical for steelBulk Modulus140 GPa20300 ksi Typical for steelPoisson