Stainless Hlau Qib 309S - High Temp Alloy Steel Qib

Feb 05, 2026

Tso lus

Stainless Steel Grade 430 - Magnetic Stainless Steel GradeStainless Steel Grade 321 - High Temperature Resistant GradeStainless Steel Grade 201 - High Hardness Industrial Grade

Tshuaj muaj pes tsawg leeg

 

Cov lus hauv qab no qhia cov tshuaj muaj pes tsawg leeg ntawm qib 309S stainless hlau.

Element Cov ntsiab lus (%)
Hlau, Fe 60
Chromium, Cr 23
Nickel, Nia 14
Manganese, Mn 2
Silicon, Sib 1
Carbon, C 0.080
Phosphorus, P 0.045
Sulfur, S 0.030

 

 

Lub cev muaj zog

Lub cev muaj zog ntawm qib 309S stainless hlau tau muab rau hauv cov lus hauv qab no.

Cov khoom Metric Imperial
Qhov ntom 8 g/cm3 0.289 lb/in³
Melting point 1454 degree 2650℃F

 

 

Mechanical Properties

Cov khoom siv hluav taws xob ntawm annealed qib 309S stainless hlau tau tshwm sim hauv cov lus hauv qab no.

Cov khoom Metric Imperial
Tensile zog, qhov kawg 620 MPa rau 8 9900 psi
Tensile zog, tawm los (0.2%) 310 MPa 45 000 psi
Izod cuam tshuam 120 - 165 J 88.5 - 122 ft-lb
Modulus ntawm elasticity 200 GPa 29 000 ksg
Shear modulus 77gp ua 11 200 ksg
Poissons ratio 0.3 0.3
Elongation ntawm tawg (hauv 50 mm) 45% 45%
Hardness, Brinell (hloov los ntawm Rockwell B hardness) 147 147
Hardness, Knoop (hloov los ntawm Rockwell B hardness) 164 164
Hardness, Rockwell B 85 85
Hardness, Vickers (hloov los ntawm Rockwell B hardness) 169 169

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