Stainless Tread Plate

Hot Rolled, Annealed and Pickled
A.S.T.M. A793, PATTERN B

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Unit of Measure

Items	304-125-36 Stainless Tread Plate	304-125-48 Stainless Tread Plate	304-1875-48 Stainless Tread Plate	304-250-48 Stainless Tread Plate
Material	N/A Type 304 Stainless Steel
Shapeform	N/A Tread Plate
Thickness	N/A 1/8 inches	N/A 1/8 inches	N/A 3/16 inches	N/A 1/4 inches
Thickness	N/A 0.125 inches3.1750 mm	N/A 0.125 inches3.1750 mm	N/A 0.1875 inches4.7625 mm	N/A 0.25 inches6.3500 mm
Width	N/A 36 inches	N/A 48 inches	N/A 48 inches	N/A 48 inches
Plate Weight per Unit Area	N/A 6.15 lbs/ft²30.0243 kg/m²	N/A 6.15 lbs/ft²30.0243 kg/m²	N/A 8.70 lbs/ft²42.4734 kg/m²	N/A 11.25 lbs/ft²54.9225 kg/m²
Finish	N/A No. 2B
Condition	N/A Hot Rolled Annealed Pickled
Nominal Composition	N/A 0 to 0.25% Carbon 1.00% Max. Silicon 2.00% Max. Manganese 6 to 36% Nickel 7 to 30% Chrome
ASTM Specification	N/A ASTM A793 Pattern B UNS S30400
Steel Alloy Group	N/A Austenitic
Magnetic Properties	N/A Non-Magnetic
Harden By	N/A Cold Work
Corrosion Resistance	N/A High
Hardness	N/A Low to Med.
Strength	N/A Low to Med.
Ductility	N/A High
Toughness	N/A High
Elec. Conductance	N/A Low
Thermal Conductance	N/A Low
Thermal Expansion	N/A High
Heat Resistance (Scaling Strength)	N/A High/High
Yield Strength	N/A 46000 lbs/in²
Tensile Strength	N/A 89000 lbs/in²
Elongation percent in 2 inches	N/A 55 %
Hardness (Rockwell B)	N/A 86
Creep Strength Load for 10000 Hr. with 1% Elongation at 1000°F	N/A 17000 lbs/in²
Creep Strength Load for 10000 Hr. with 1% Elongation at 1100°F	N/A 12000 lbs/in²
Creep Strength Load for 10000 Hr. with 1% Elongation at 1200°F	N/A 7000 lbs/in²
Creep Strength Load for 10000 Hr. with 1% Elongation at 1300°F	N/A 4000 lbs/in²
Density	N/A 0.29 lbs/in³
Modulus of Elasticity in Tension	N/A 28.0 x 10⁶ lbs/in²
Specific Heat (32 to 212°F)	N/A 0.12 BTU/ºF/lbs
Thermal Conductivity at 212°F	N/A 9.4 BTU/hr.ft²/ft/ºF
Thermal Conductivity at 932°F	N/A 12.4 BTU/hr.ft²/ft/ºF
Mean Coefficient of Thermal Expansion per °F (32 to 212°F)	N/A 9.6 x 10^-6 ºF
Mean Coefficient of Thermal Expansion per °F (32 to 600°F)	N/A 9.9 x 10^-6 ºF
Mean Coefficient of Thermal Expansion per °F (32 to 1000°F)	N/A 10.2 x 10^-6 ºF
Mean Coefficient of Thermal Expansion per °F (32 to 1200°F)	N/A 10.4 x 10^-6 ºF
Melting Point Range	N/A 2550 to 2650 ºF
Electrical Resistivity	N/A 72 µΩ.cm
Max. Operating Temp. (Continuous Service)	N/A 1650 ºF
Max. Operating Temp. (Intermittent Service)	N/A 1500 ºF
Welding Properties	N/A Very Good-Tough Welds
Drawing and Stamping	N/A Very Good
Hot Working - Initial Forging	N/A 2100 to 2300 ºF
Annealing Temp.	N/A 1850 to 2050 ºF
Stress Relieving Temp.	N/A 400 to 750 ºF
Applications	N/A Rapid transit cars, buses, aircraft, cargo containers Retractor springs Hose clamps Conveyors Bottling machinery Jewelry Cryogenic vessels and components Still tubes Expand metal parts Mixing bowls Dryers Furnace parts Heat exchangers Paper mill equipment Oil refining equipment Textile industry Dyeing equipment Jet engine parts Welded storage tanks for organic chemicals Combustion chambers Furnace arch supports Kiln linings Smoke control ductwork Coal chutes Gauge parts Cutlery Fish hooks Glass molds Bank vaults Fasteners Skewers Dairy industry Burner and emission control components Recuperators Pipes, tubes

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