A 511 MT304L Stainless Steels to A 511/A 511M (2012)

A 511 MT304L - Specification & Application

  • A 511/A 511M (2012) - Seamless Stainless Steel Mechanical Tubing

Seamless Stainless Steel Mechanical Tubing

Chemical composition(wt.%) of A 511 MT304L grade: to A 511/A 511M (2012)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.030
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.03
Cr 17.50 19.50
Ni 8.00 12.0

A 511 MT304L - Detail

Seamless Stainless Steel Mechanical Tubing

Mechanical properties of grade A 511 MT304L A 511/A 511M (2012)

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)
687 (≥) 811 (≥) 13 21 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical properties of grade A 511 MT304L A 511/A 511M (2012)

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
446 (≥) 629 (≥) 41 11 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 421
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
159 559 483
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