- Release time：Update:2015-06-18 13:06:36
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1. Summary
Low C, N, and added carbon stabilizing element (Ti), Mo, so the corrosion resistance, weldability, excellent workability.
2, Features
1) excellent corrosion resistance;
2) excellent workability and weldability;
3) magnetic; switched from "I want to stainless steel"
4) can not be hardened by heat treatment.
3. Scope
Car exhaust pipes and water heaters, kitchen and home appliances.
4, the chemical composition (JIS G 4305-2005)
(wt%)
|
Chemical composition |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
N |
|
Standard |
£0.025 |
£1.00 |
£1.00 |
£0.04 |
£0.030 |
16.0~19.0 |
0.75~1.5 |
£0.025 |
|
General |
0.007 |
0.12 |
0.21 |
0.022 |
0.001 |
17.7 |
1.1 |
0.01 |
5、performance（JIS G 4305-2005）
|
Distinguish |
Mechanical Properties |
|||
|
Ys (Mpa) |
Ts (Mpa) |
El (%) |
Hv |
|
|
Standard |
≥245 |
≥410 |
≥20 |
≤230 |
|
General |
280 |
440 |
33 |
150 |
6、the physical properties of
|
Density (g/cm3) |
Magnetic |
Specific heat250C (J/kg.0C) |
Thermal conductivity 1000C(W/m.0C) |
Thermal expansion coefficient 20~1000C (10-6/0C) |
|
7.70 |
Have |
460 |
23.9 |
9.3 |
7, using state
1) solution annealed state:
2D, 2B, and various other surface treatment status.
8, heat treatment
Melting point: 1425 ~ 15100C;
Solution treatment: 800 ~ 10500C quench
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