455 Stainless Hlau Machinability

455 Stainless hlau sib npaug qib
GB-T: Number: S51290, Tshiab: 022Cr13Ni8Mo3Al, Laus: Ib,
American txuj: ASTMA: s45500, SAE: 1, UNS: xm-16,

Tshuaj muaj pes tsawg leeg:
Carbon C: Tsawg dua lossis sib npaug rau 0.030,
Silicon Si: Tsawg dua lossis sib npaug rau 0.50,
Manganese Mn: Tsawg dua lossis sib npaug rau 0.50,
Phosphorus P: Tsawg dua lossis sib npaug rau 0.040,
Sulfur S: Tsawg dua lossis sib npaug rau 0.030,
Chromium Cr: 11.00 ~ 12.50,
Nickel: 7. 50-9.50,
Molybdenum Mo: Tsawg dua lossis sib npaug rau 0.5,
Nitrogen N: -,
Copper Cu: 1.50-2.50,
Lwm cov ntsiab lus: Ti: {{0}}.80-1.40, Nb: 0.10-0.50.

Lub cev ua haujlwm:
Qhov ceev (20 degree) / kg / dm3: 7.78,
Melting point / degree: 1400 ~ 1440,
Lub peev xwm kub tshwj xeeb ({0}} degree )/kg/(kg. k): 0.46,
Thermal conductivity / w / (mk) 100 degree -: 17.2,
Thermal conductivity / w / (mk) 500 degree -: 23,
Linear expansion coefficient/({0}}/k) 0-100 degree : 10.6,
Linear expansion coefficient/({0}}/k) 0-627 degree : 12,
Resistivity (20 degree)/(Ω. mm2/m): 0.9,
Longitudinal elastic modulus (20 degree) /GPa: 199, 10 hlau nplaum: yog.

Mechanical zog:
Tus me nyuam raws li txoj cai: bar solid tov kho, phaj khoom tov pickling,
Tensile zog (RM / MPa): 1205,
Elongation zog (Rp0.2/MPa): 1105,
Elongation A / feem pua: 3,
Kev txo qis ntawm cheeb tsam (Z / feem pua): -.

Kev kho cua sov:
Thaum tshav kub kub kev kho mob specification: khoom ceev ceev txias ntawm 1010 ~ 1150 degree.
Lub koom haum feature yog ib hom martensitic.

Kev xa khoom: Feem ntau xa tuaj rau hauv lub xeev kho cua sov, nrog rau hom kev kho cua sov uas tau teev tseg hauv daim ntawv cog lus; Cov khoom uas tsis tau teev tseg yuav tsum muab xa mus rau hauv lub xeev uas tsis muaj cua sov