A 511 MT309 Stainless Steels to A 511/A 511M

A 511 MT309 - Specification & Application

  • A 511/A 511M - Seamless Stainless Steel Mechanical Tubing

Seamless Stainless Steel Mechanical Tubing

Chemical composition(wt.%) of A 511 MT309 grade: to A 511/A 511M

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.20
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.03
Cr 22.0 24.0
Ni 12.0 15.0

A 511 MT309 - Detail

Seamless Stainless Steel Mechanical Tubing

Mechanical properties of grade A 511 MT309 A 511/A 511M

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
696 (≥) 654 (≥) 12 34 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical properties of grade A 511 MT309 A 511/A 511M

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
777 (≥) 115 (≥) 13 23 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 422
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
423 268 347

Equivalent Products

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