Corrosion Spring
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17-7 PH Spring
Material Type: 17-7 PH
Material Group: Stainless Steel Wire
17-7 PH Springs Description:
Cold rolled and precipitation hardened after fabrication. High strength and general purpose corrosion resistance. Magnetic in spring temper.
Engineering Data
E Mpa |
203,000 |
Min Size (in) |
0.003 |
E psi |
29,500,000 |
Max Size (in) |
0.125 |
G Mpa |
75,800 |
Min Size (mm) |
0.080 |
G psi |
11,000,000 |
Max Size (in) |
3.000 |
Density g/cm3 |
7.810 |
Surface Min |
b |
Density lb/in3 |
0.282 |
Max Temp °C |
370 |
Conductivity |
2 |
Max Temp °F |
700 |
All materials specifications are provided for general reference purposes only.
17-7 PH Springs Notes:
E Mpa |
Young's Modulus |
These factors can vary with cold work, heat treating and operational stress. |
E psi |
G Mpa |
Modulus of Rigidity |
G psi |
Conductivity |
% IACS |
Surface Min |
Typical Surface Quality |
a |
Maximum defect depth: 0 to 0.5% of d or t |
b |
Maximum defect depth: 1.0% of d or t |
c |
Defect depth:less that 3.5% of d or t |
Min Size |
Sizes commonly available for wire or strip |
Special sizes may be available at additional cost. |
Max Size |
Max Temp |
Maximum service temperature |
May vary due to operating stress |
Stainless Steel 304
Available in any of the 'profile options'
Stainless Steel 304, like 302, has good mechanical properties and corrosion resistance.
Chemical Composition |
Specifications |
Designations |
Key Features |
Typical Applications |
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ASTM A313
ASTM A580
BS 970
BS 2056 |
W.NR 1.4301
W.NR 1.4307
UNS S30400
AWS 161 |
Good mechanical properties and corrosion resistance. |
Springs.
Engineered components.
Wire mesh.
Wire cloth.
Hose braiding. |
Density |
8.0 g/cm³ |
0.289 lb/in³ |
Melting Point |
1454°C |
2650°F |
Coefficient of Expansion |
18.2 μm/m °C (20 – 100°C) |
10.1 x 10-6 in/in °F (70 – 212°F) |
Modulus of Rigidity |
70.3 kN/mm² |
10196 ksi |
Modulus of Elasticity |
187.5 kN/mm² |
27195 ksi |
Heat Treatment of Finished Parts |
Condition as supplied by Alloy Wire |
Type |
Temperature |
Time (Hr) |
Cooling |
°C |
°F |
Annealed or Spring Temper |
Stress Relieve |
250 |
480 |
1 |
Air |
Properties |
Condition |
Approx. tensile strength |
Approx. operating temperature |
N/mm² |
ksi |
°C |
°F |
Annealed |
600 – 800 |
87 – 116 |
-200 to +300 |
-330 to +570 |
Spring Temper |
1300 – 2200 |
189 – 319 |
-200 to +300 |
-330 to +570 |
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