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Schmolz + Bickenbach 416RS Stainless Steel Bar

Category Metal , Ferrous Metal , Martensitic , Stainless Steel , T 400 Series Stainless Steel
Manufacturer Schmolz + Bickenbach (Swiss Steel International)
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Schmolz + Bickenbach 416RS Stainless Steel Bar.pdf
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Material Notes:
Description: Ugitech’s 416RS is a low sulfur pre-hardened chrome bearing martensitic stainless steel specifically designed for the precision rifle barrel industry. The 416RS chemistry is balanced to provide the optimum machining characteristics for gun barrel drilling and reaming - while also offering the optimal combination of high tensile strength and good toughness to withstand the typical chamber pressures when fired. Ugitech 416RS comes pre-hardened to HRc 26/32, but can be produced to the specific hardness requirements. The precision finished bars are properly stress relieved to provide the superb straightness necessary to avoid movement during processing, while also offering good corrosion resistance which will reduce fouling and provide a durable finish. Ugitech’s 416RS is 100% ultrasonic tested. The mill’s stringently controlled production will deliver heat to heat consistency. Every step is monitored from melt, rolling, heat treatment, cold finishing, final bar inspection, and PackagingStress Relieving (Heat Treatment): Heat and hold for 50°F – 100°F (10°C to 40°C) below tempering temperature of 4-7 hours, slow cool Hardening (Heat Treatment): Should be performed at 1750°F (950°C), followed by air or oil quenching.Information provided by Schmolz + Bickenbach
Physical Properties Metric English Comments
Density 7.64 g/cc
0.276 lb/in³
Mechanical Properties Metric English Comments
Hardness, Brinell 190 - 210

@Thickness <=25.4 mm
190 - 210

@Thickness <=1.00 in
Turned Bars
264 - 294

@Thickness >=25.4 mm
264 - 294

@Thickness >=1.00 in
Cold Drawn Bars
Tensile Strength 621 - 758 MPa

@Thickness <=25.4 mm
90000 - 110000 psi

@Thickness <=1.00 in
Turned Bars
889 - 986 MPa

@Thickness >=25.4 mm
129000 - 143000 psi

@Thickness >=1.00 in
Cold Drawn Bars
Tensile Strength, Yield 448 - 586 MPa

@Strain 0.200 %,
Thickness <=25.4 mm
65000 - 85000 psi

@Strain 0.200 %,
Thickness <=1.00 in
Turned Bars
758 - 889 MPa

@Strain 0.200 %,
Thickness >=25.4 mm
110000 - 129000 psi

@Strain 0.200 %,
Thickness >=1.00 in
Cold Drawn Bars
Elongation at Yield >= 2.0 %

@Thickness <=25.4 mm
>= 2.0 %

@Thickness <=1.00 in
Turned Bars
>= 4.0 %

@Thickness >=25.4 mm
>= 4.0 %

@Thickness >=1.00 in
Cold Drawn Bars
Reduction of Area >= 5.0 %

@Thickness >=25.4 mm
>= 5.0 %

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

@Thickness <=25.4 mm
>= 60 %

@Thickness <=1.00 in
Turned Bars
Modulus of Elasticity 205 GPa
29700 ksi
Tension
Thermal Properties Metric English Comments
CTE, linear 10.8 µm/m-°C

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

@Temperature 68.0 - 392 °F
Thermal Conductivity 25.1 W/m-K

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

@Temperature 68.0 °F
Component Elements Properties Metric English Comments
Carbon, C <= 0.15 %
<= 0.15 %
Chromium, Cr 12 - 14 %
12 - 14 %
Iron, Fe >= 82.89 %
>= 82.89 %
Manganese, Mn <= 1.25 %
<= 1.25 %
Nickel, Ni <= 0.50 %
<= 0.50 %
Phosphorous, P <= 0.060 %
<= 0.060 %
Silicon, Si <= 1.0 %
<= 1.0 %
Sulfur, S <= 0.15 %
<= 0.15 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.0000559 ohm-cm
0.0000559 ohm-cm
Processing Properties Metric English Comments
Annealing Temperature 649 - 760 °C
1200 - 1400 °F
Sub-critical anneal
899 °C
1650 °F
Softest properties
Hot-Working Temperature 801.7 °C
1475 °F
Slow heating
954 - 1180 °C
1750 - 2150 °F
Forging range
1150 - 1180 °C
2100 - 2150 °F
Then more rapidly
Descriptive Properties Value Comments
Corrosion Resistance Humidity
2/4
Sodium Carbonate
2/4
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