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Schmolz + Bickenbach UgiPermâ„¢ 12FM Stainless Steel Bar

Category Metal , Ferrous Metal , Ferritic , Stainless Steel
Manufacturer Schmolz + Bickenbach (Swiss Steel International)
Trade Name UgiPerm™
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Schmolz + Bickenbach UgiPermâ„¢ 12FM Stainless Steel Bar.pdf
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Material Notes:
Description: UgiPerm™ 12FM is a 12% chrome ferritic stainless with improved magnetic properties designed for use in electro-injectors, valves and many other applications. The grade was developed for magnetic applications requiring a very low coercive magnetic field (Hc) and a very high permeability. UgiPerm™ 12FM has a high level of electrical resistivity that shortens activation time when used in pulse mode. It offers excellent magnetic properties with superior corrosion resistance no offered by iron alloys.Applications: Solenoid valves, fuel injectors, irrigation valves, magnetic sensors, magnetic brakes, and electro-mechanical devices.Magnetic Properties (Heat Treatment): Uniformly heat at 800°/900°C (1470°F/1650°F) for 2 hours, then cool to 500°C (930°F) at a rate of 50°C (120°F) per hour. The cycle should be done in a dry hydrogen or vacuum atmosphere to prevent oxidation.Information provided by Schmolz + Bickenbach
Physical Properties Metric English Comments
Density 7.72 g/cc
0.279 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell B 87 - 92
87 - 92
Tensile Strength 448 - 552 MPa

@Thickness <=25.4 mm
65000 - 80000 psi

@Thickness <=1.00 in
Cold Drawn Bar
Tensile Strength, Yield 310 - 448 MPa

@Strain 0.200 %,
Thickness <=25.4 mm
45000 - 65000 psi

@Strain 0.200 %,
Thickness <=1.00 in
Cold Drawn Bar
Elongation at Yield >= 30 %

@Thickness <=25.4 mm
>= 30 %

@Thickness <=1.00 in
Cold Drawn Bar
Reduction of Area >= 60 %

@Thickness <=25.4 mm
>= 60 %

@Thickness <=1.00 in
Cold Drawn Bar
Modulus of Elasticity 200 GPa
29000 ksi
Tension
Thermal Properties Metric English Comments
CTE, linear 10.3 µm/m-°C

@Temperature 20.0 - 100 °C
5.75 µin/in-°F

@Temperature 68.0 - 212 °F
10.8 µm/m-°C

@Temperature 20.0 - 204 °C
6.00 µin/in-°F

@Temperature 68.0 - 400 °F
11.5 µm/m-°C

@Temperature 20.0 - 299 °C
6.40 µin/in-°F

@Temperature 68.0 - 570 °F
11.7 µm/m-°C

@Temperature 20.0 - 432 °C
6.50 µin/in-°F

@Temperature 68.0 - 810 °F
12.2 µm/m-°C

@Temperature 20.0 - 499 °C
6.80 µin/in-°F

@Temperature 68.0 - 930 °F
Thermal Conductivity 21.9 W/m-K

@Temperature 20.0 °C
152 BTU-in/hr-ft²-°F

@Temperature 68.0 °F
Component Elements Properties Metric English Comments
Carbon, C <= 0.020 %
<= 0.020 %
Chromium, Cr 11.5 - 12.5 %
11.5 - 12.5 %
Iron, Fe >= 83.44 %
>= 83.44 %
Manganese, Mn 0.30 - 0.50 %
0.30 - 0.50 %
Molybdenum, Mo 0.25 - 0.75 %
0.25 - 0.75 %
Nickel, Ni >= 0.50 %
>= 0.50 %
Phosphorous, P <= 0.040 %
<= 0.040 %
Silicon, Si 1.0 - 2.0 %
1.0 - 2.0 %
Sulfur, S 0.15 - 0.25 %
0.15 - 0.25 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.0000780 ohm-cm
0.0000780 ohm-cm
Magnetic Permeability 2000 - 3000
2000 - 3000
Magnetic Coercive Force, Hc 1.2 - 1.6 Oe
1.2 - 1.6 Oe
Magnetic Saturation Flux Density, Bmax 17000 Gauss
17000 Gauss
Magnetic Remanence, Br 5000 - 7000 Gauss
5000 - 7000 Gauss
Curie Temperature 732 °C
1350 °F
Processing Properties Metric English Comments
Annealing Temperature 699 - 799 °C

@Time 3600 sec
1290 - 1470 °F

@Time 1.00 hour
Soft; Air cool
Hot-Working Temperature 482 °C
900 °F
Flow Stress of 110 MP at 3.6s<sup>-1<sup>
538 °C
1000 °F
Flow Stress of 65 MP at 3.6s<sup>-1<sup>
593 °C
1100 °F
Flow Stress of 40 MP at 3.6s<sup>-1<sup>
649 °C
1200 °F
Flow Stress of 25 MP at 3.6s<sup>-1<sup>
749 - 1200 °C
1380 - 2190 °F
Uniformly heating
Descriptive Properties Value Comments
Corrosion Resistance Humidity
3/4
NaCl 0.2g/l
1.65% mass loss; 60°C; 500 hrs
NaCl 0.4g/l
1.6% mass loss; 60°C; 500 hrs
NaCl 0.6g/l
2.4% mass loss; 60°C; 500 hrs
Nitric Acid
2/4
Sodium Carbonate
2/4
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