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Stainless Steel 304 Material Property Data Sheet

Do you need custom fasteners created with Stainless Steel 304? Since our inception, Vegas Fastener Manufacturing has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Every product is built to your specifications, using your prints if necessary.

Below are the technical specifications of the Stainless Steel 304 Bar Stock we have available to meet your needs.

 

AISI Type 304 Stainless Steel


Subcategory: Heat Resisting; Metal; Stainless Steel; T 300 Series Stainless Steel

Close Analogs: UNS S30400; AMS 5501, 5513, 5560, 5565; ASME SA182, SA194 (8), SA213, SA240; ASTM A167, A182, A193, A194

Key Words: aisi304, aisi 304, T304, T 304, SUS304, SS304, 304SS, 304 SS, UNS S30400, AMS 5501, AMS 5513, AMS 5560, AMS 5565, AMS 5566, AMS 5567, AMS 5639, AMS 5697, ASME SA182, ASME SA194 (8), ASME SA213, ASME SA240, ASME SA249, ASME SA312, ASME SA320 (B8), ASME SA358, ASME SA376, ASME SA403, ASME SA409, ASME SA430, ASME SA479, ASME SA688, ASTM A167, ASTM A182, ASTM A193, ASTM A194, ASTM A666, FED QQ-S-763, MILSPEC MIL-S-5059, SAE 30304, DIN 1.4301, X5CrNi189, B.S. 304 S 15, EN 58E, PN 86020 (Poland), OH18N9, ISO 4954 X5CrNi189E, ISO 683/13 11, 18-8

Component   Wt. %
CMax 0.08 
Cr18 - 20 
Fe66.345 - 74 
MnMax 2 
Ni8 - 10.5 
PMax 0.045 
SMax 0.03 
SiMax 1 

Material Notes:
Austenitic Cr-Ni stainless steel. Better corrosion resistance than Type 302. High ductility, excellent drawing, forming, and spinning properties. Essentially non-magnetic, becomes slightly magnetic when cold worked. Low carbon content means less carbide precipitation in the heat-affected zone during welding and a lower susceptibility to intergranular corrosion.

Applications: beer kegs, bellows, chemical equipment, coal hopper linings, cooking equipment, cooling coils, cryogenic vessels, dairy equipment, evaporators, flatware utensils, feedwater tubing, flexible metal hose, food processing equipment, hospital surgical equipment, hypodermic needles, kitchen sinks, marine equipment and fasteners, nuclear vessels, oil well filter screens, refrigeration equipment, paper industry, pots and pans, pressure vessels, sanitary fittings, valves, shipping drums, spinning, still tubes, textile dyeing equipment, tubing.

Corrosion Resistance: resists most oxidizing acids and salt spray.

Physical PropertiesMetricEnglishComments
Density8 g/cc0.289 lb/in 

Mechanical Properties
Hardness, Brinell123123 Converted from Rockwell B hardness.
Hardness, Knoop138138 Converted from Rockwell B hardness.
Hardness, Rockwell B7070 
Hardness, Vickers129129 Converted from Rockwell B hardness.
Tensile Strength, Ultimate505 MPa73200 psi 
Tensile Strength, Yield215 MPa31200 psi at 0.2% offset
Elongation at Break70 %70 % in 50 mm
Modulus of Elasticity193 - 200 GPa28000 - 29000 ksi 
Poisson's Ratio0.290.29 
Charpy Impact325 J240 ft-lb 
Shear Modulus86 GPa12500 ksi 

Electrical Properties
Electrical Resistivity7.2e-005 ohm-cm7.2e-005 ohm-cm at 20C (68F); 1.16E-04 at 650C (1200F)
Magnetic Permeability1.0081.008 at RT

Thermal Properties
CTE, linear 20C17.3 m/m-C9.61 in/in-F from from 0-100C
CTE, linear 250C17.8 m/m-C9.89 in/in-F at 0-315C (32-600F)
CTE, linear 500C18.7 m/m-C10.4 in/in-F at 0-650C
Heat Capacity0.5 J/g-C0.12 BTU/lb-F from 0-100C (32-212F)
Thermal Conductivity16.2 W/m-K112 BTU-in/hr-ft-F at 0-100C, 21.5 W/mC at 500C
Melting Point1400 - 1455 C2550 - 2650 F 
Solidus1400 C2550 F 
Liquidus1455 C2650 F 

References are available for this material.

 


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