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Schmolz + Bickenbach UGIMA® 303 Stainless Steel Bar

Category Metal , Ferrous Metal , Stainless Steel , T 300 Series Stainless Steel
Manufacturer Schmolz + Bickenbach (Swiss Steel International)
Trade Name UGIMA®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Schmolz + Bickenbach UGIMA® 303 Stainless Steel Bar.pdf
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Material Notes:
Description: 303 UGIMA® is Ugitech’s improved machining grade produced only by Ugitech. It is identical in every way to regular 303, except with respect to machinability. 303 UGIMA® represents the latest generation of Ugitech's popular UGIMA® family of high machinability grades. Through the use of new and beneficial modifications to the steel-making process, 303 UGIMA® builds upon the proprietary UGIMA® manufacturing process to allow for excellent machinability across a wider range of operations and cutting conditions. When compared with older versions, 303 UGIMA® is a technologically advanced product that will allow for superior machinability at both low and high speeds, in cam-driven and CNC machines, and with high-speed steel or carbide tooling. Machine shops using 303 UGIMA® have experienced consistent success regardless of machine, operation, tooling, or cutting conditions. From lot to lot, 303 UGIMA® is engineered to give the same high performance every time without surprises.Applications: Fasteners, Shafts, Valve Bodies, Valves, Valve Trim, Fittings, Machined parts, and Not recommended for vessels containing liquid or gasses at high pressuresInformation 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 220 - 240
220 - 240
Escomatic Coils
170 - 190

@Thickness >=25.4 mm
170 - 190

@Thickness >=1.00 in
Turned Bars
220 - 240

@Thickness <=25.4 mm
220 - 240

@Thickness <=1.00 in
Cold Drawn Bars
Tensile Strength 655 - 827 MPa
95000 - 120000 psi
Escomatic Coils
586 - 689 MPa

@Thickness >=25.4 mm
85000 - 100000 psi

@Thickness >=1.00 in
Turned Bars
655 - 827 MPa

@Thickness <=25.4 mm
95000 - 120000 psi

@Thickness <=1.00 in
Cold Drawn Bars
Tensile Strength, Yield 483 - 689 MPa

@Strain 0.200 %
70000 - 100000 psi

@Strain 0.200 %
Escomatic Coils
241 - 379 MPa

@Strain 0.200 %,
Thickness >=25.4 mm
35000 - 55000 psi

@Strain 0.200 %,
Thickness >=1.00 in
Turned Bars
483 - 689 MPa

@Strain 0.200 %,
Thickness <=25.4 mm
70000 - 100000 psi

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

@Thickness <=25.4 mm
>= 30 %

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

@Thickness >=25.4 mm
>= 50 %

@Thickness >=1.00 in
Turned Bars
Reduction of Area >= 45 %
>= 45 %
Escomatic Coils
>= 45 %

@Thickness <=25.4 mm
>= 45 %

@Thickness <=1.00 in
Cold Drawn Bars
>= 60 %

@Thickness >=25.4 mm
>= 60 %

@Thickness >=1.00 in
Turned Bars
Thermal Properties Metric English Comments
CTE, linear 16.7 µm/m-°C

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

@Temperature 68.0 - 392 °F
Thermal Conductivity 15.3 W/m-K

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

@Temperature 68.0 °F
Component Elements Properties Metric English Comments
Carbon, C <= 0.15 %
<= 0.15 %
Chromium, Cr 17 - 19 %
17 - 19 %
Copper, Cu <= 1.0 %
<= 1.0 %
Iron, Fe 65.9 - 69.9 %
65.9 - 69.9 %
Manganese, Mn <= 2.0 %
<= 2.0 %
Molybdenum, Mo <= 0.60 %
<= 0.60 %
Nickel, Ni 8.0 - 10 %
8.0 - 10 %
Phosphorous, P <= 0.20 %
<= 0.20 %
Silicon, Si <= 1.0 %
<= 1.0 %
Sulfur, S >= 0.15 %
>= 0.15 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.0000730 ohm-cm
0.0000730 ohm-cm
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 954 - 1200 °C
1750 - 2200 °F
Forging range
1180 - 1200 °C
2150 - 2200 °F
Heat in range
Descriptive Properties Value Comments
Corrosion Resistance Acetic Acid
2/4
Humidity
3/4
NaCl (Saline Mist)
2/4
Nitric Acid
3/4
Phosphoric Acid
2/4
Sodium Carbonate
2/4
Sulfuric Acid
2/4
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