XM-21 stainless steel physical properties:

① density density(20℃)

/kg/dm3:"-,

②Melting point/℃:-,

③Specific heat capacity(0~100℃)/kg/(kg.k):0.5",

④Thermal conductivity/w/(m.k)

100℃-: "16.3",

(5) Thermal conductivity/w/(m.k)

500℃-:

"21.5",

⑥Linear expansion coefficient

/(10-6/k)

0~100℃: "15.7",

⑦Linear expansion coefficient/(10-6/k)

0~515℃:

"18.7",

⑧Resistivity (20℃)

/(Ω.mm2/m):"",

⑨Longitudinal modulus of elasticity

(20 ℃)/GPa:",

⑩Magnetic: no.

Four, XM-21 stainless steel mechanical properties:

(1) delivery status: bar cutting processing solid solution treatment.

Heat pressure processing without solid solution treatment", plate solid solution pickling,

(2) tensile strength (RM/MPa): 685,

(3) elongation strength (Rp0.2/MPa): 345,

(4) elongation A/%: 35, (5) section shrinkage (Z/%) 50.

V. XM-21 stainless steel heat treatment:,

① hardness HBW ≤: solid solution 250, hardness HRB ≤: 100,

② heating temperature: 1010 ~ 1150,

③ heating method: fast cooling

④ other: hot-rolled plate solid solution 585, bar solid solution 685 241HBW 100HRB 242HV, 250HBW 100HRB 260HV