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Schmolz + Bickenbach UGIMA 304/304L® Stainless Steel Bar

Category Metal , Ferrous Metal , Stainless Steel , T 300 Series Stainless Steel
Manufacturer Schmolz + Bickenbach (Swiss Steel International)
Trade Name UGIMA
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Schmolz + Bickenbach UGIMA 304/304L® Stainless Steel Bar.pdf
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Material Notes:
Description: 304/304L UGIMA® is the next generation of improved high machinability grades from Ugitech. The UGIMA® grades have redefined high machinability stainless steels, showing improvements over the original UGIMA® technology. 304/304L UGIMA® is identical in every way to the standard 304/304L, except with respect to Machinability. UGIMA® is a proprietary manufacturing process, developed by Ugitech, which has resulted in a product that increases productivity and tool life, and improves the surface finish on all types of machined parts. 304/304L UGIMA® meets all industry specifications for Type 304/304L. This grade is designed to minimize carbide precipitation during welding to ensure good corrosion resistance properties in many corrosive environments. Once an optimum setup has been established, machinists can take advantage of the increased efficiency rates, especially during “lights-out” production.Information provided by Schmolz + Bickenbach
Physical Properties Metric English Comments
Density 7.89 g/cc
0.285 lb/in³
Mechanical Properties Metric English Comments
Hardness, Brinell 160 - 180

@Thickness >=25.4 mm
 160 - 180

@Thickness >=1.00 in
 Turned Bars
200 - 220

@Thickness <=25.4 mm
 200 - 220

@Thickness <=1.00 in
 Cold Drawn Bars
Tensile Strength 552 - 655 MPa

@Thickness >=25.4 mm
 80000 - 95000 psi

@Thickness >=1.00 in
 Turned Bars
689 - 793 MPa

@Thickness <=25.4 mm
 100000 - 115000 psi

@Thickness <=1.00 in
 Cold Drawn Bars
Tensile Strength, Yield 241 - 379 MPa

@Strain 0.200 %
 35000 - 55000 psi

@Strain 0.200 %
 Turned Bars
414 - 552 MPa

@Strain 0.200 %
 60000 - 80000 psi

@Strain 0.200 %
 Cold Drawn Bars
Elongation at Yield >= 40 %

@Thickness <=25.4 mm
 >= 40 %

@Thickness <=1.00 in
 Cold Drawn Bars
>= 50 %

@Thickness >=25.4 mm
 >= 50 %

@Thickness >=1.00 in
 Turned Bars
Reduction of Area >= 60 %

@Thickness <=25.4 mm
 >= 60 %

@Thickness <=1.00 in
 Cold Drawn Bars
>= 70 %

@Thickness >=25.4 mm
 >= 70 %

@Thickness >=1.00 in
 Turned Bars
Modulus of Elasticity 200 GPa

@Temperature 20.0 °C
 29000 ksi

@Temperature 68.0 °F
 Tension
200 GPa

@Temperature 100 °C
 29000 ksi

@Temperature 212 °F
 Tension
200 GPa

@Temperature 200 °C
 29000 ksi

@Temperature 392 °F
 Tension
200 GPa

@Temperature 300 °C
 29000 ksi

@Temperature 572 °F
 Tension
200 GPa

@Temperature 400 °C
 29000 ksi

@Temperature 752 °F
 Tension
200 GPa

@Temperature 500 °C
 29000 ksi

@Temperature 932 °F
 Tension
Thermal Properties Metric English Comments
CTE, linear 2.88 µm/m-°C

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

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

@Temperature 20.0 - 200 °C
 1.65 µin/in-°F

@Temperature 68.0 - 392 °F
3.06 µm/m-°C

@Temperature 20.0 - 300 °C
 1.70 µin/in-°F

@Temperature 68.0 - 572 °F
3.24 µm/m-°C

@Temperature 20.0 - 400 °C
 1.80 µin/in-°F

@Temperature 68.0 - 752 °F
3.24 µm/m-°C

@Temperature 20.0 - 500 °C
 1.80 µin/in-°F

@Temperature 68.0 - 932 °F
Thermal Conductivity 14.8 W/m-K

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

@Temperature 68.0 °F
Component Elements Properties Metric English Comments
Carbon, C <= 0.030 %
<= 0.030 %
Chromium, Cr 18 - 20 %
18 - 20 %
Copper, Cu <= 1.0 %
<= 1.0 %
Iron, Fe >= 61.8 %
>= 61.8 %
Manganese, Mn <= 2.0 %
<= 2.0 %
Molybdenum, Mo 2.0 - 3.0 %
2.0 - 3.0 %
Nickel, Ni 8.0 - 11 %
8.0 - 11 %
Nitrogen, N <= 1.0 %
<= 1.0 %
Phosphorous, P <= 0.040 %
<= 0.040 %
Silicon, Si <= 1.0 %
<= 1.0 %
Sulfur, S <= 0.030 %
<= 0.030 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.0000730 ohm-cm
0.0000730 ohm-cm
Magnetic Permeability <= 1.1
<= 1.1
at 10% cold work
Processing Properties Metric English Comments
Annealing Temperature 1010 - 1090 °C
1850 - 2000 °F
followed by rapid cooling with forced air or water quenching
Hot-Working Temperature >= 899 °C
>= 1650 °F
Forge
1163 - 1260 °C
2125 - 2300 °F
Heat in range
Descriptive Properties Value Comments
Corrosion Resistance Acetic Acid
2/4
Humidity
3/4
NaCl (Saline Mist)
3/4
Nitric Acid
3/4
Phosphoric Acid
2/4
Sodium Carbonate
3/4
Sulfuric Acid
2/4
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