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TP 304L

Mechanical Properties of 304L Stainless Steel








Properties | Tensile Strength | Yield Strength | Typical Yield | Typical Tensile | Yield strength & Yield point | Stainless Steel Tensile Strength | Bend Testing | Compression Testing | Difference Between Yield and Tensile | AISI Steel Yield Tensile Strength Properties of Metals | Strength of Materials | Stress | Aluminum Mechanical Properties | Tensile Proof Stress Of Metric Bolts and Screws | Tensile Strength of Metric Nuts | Stainless Tensile Of Metric Bolts Screws

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Room Temperature Mechanical Properties
Minimum mechanical properties for annealed Alloys 304 and 304L austenitic stainless steel tube as required by ASTM specifications A240 and ASME specification SA-240 are shown below.

Properties Minimum Mechanical Properties
Required by ASTM A213 & ASME SA-213
304 304L 304H
0.2% Offset
Yield
Strength
,
    psi
    MPa


30,000
205


25,000
170


30,000
205
Ultimate
Tensile
Strength
,
   psi
   MPa



75,000
515



70,000
485



75,000
515
Percent
Elongation in
2 in. or 51 mm

40.0

40.0

40.0
Hardness,
Max.,
   Brinell
   RB


201
92


201
92


201
92


Low and Elevated Temperature Properties
Typical short time tensile property data for low and elevated temperatures are shown below. At temperatures of 1000°F (538°C) or higher, creep and stress rupture become considerations. Typical creep and stress rupture data are also shown below.

Test
Temperature

0.2% Yield
Strength

Tensile
Strength
Elongation
°F °C psi (MPa) psi (MPa) Percent in
2" or
51mm
-423 -253 100,000 690 250,000 1725 25
-320 -196 70,000 485 230,000 1585 35
-100 -79 50,000 354 150,000 1035 50
70 21 35,000 240 90,000 620 60
400 205 23,000 160 70,000 485 50
800 427 19,000 130 66,000 455 43
1200 650 15,500 105 48,000 330 34
1500 815 13,000 90 23,000 160 46

Impact Resistance
The annealed austenitic stainless steel maintain high impact resistance even at cryogenic temperatures, a property which, in combination with their low temperature strength and fabricability, has led to their use in handling liquified natural gas and other cryogenic environments. Typical Charpy V-notch impact data are shown below.

Temperature Charpy V-Notch Energy Absorbed
°F °C Foot - pounds Joules
75 23 150 200
-320 -196 85 115
-425 -254 85 115

Fatigue Strength
The fatigue strength or endurance limit is the maximum stress below which material is unlikely to fail in 10 million cycles in air environment. The fatigue strength for austenitic stainless steel pipe, as a group, is typically about 35 percent of the tensile strength. Substantial variability in service results is experienced since additional variables influence fatigue strength. As examples – increased smoothness of surface improves strength, increased corrosivity of service environment decreases strength.

General Properties
Chemical Composition
Resistance to Corrosion
Physical Properties
Mechanical Properties
Welding
Heat Treatment
Cleaning
304/304L/304LN/304H Tubing and Pipe
S32304 S31803 S32205 S32750 Mechanical Properties
Brinell and Rockwell Hardness Conversion Chart
Hardness Testing General
Brinell Hardness Testing
Rockwell Hardness Testing
Vickers Hardness Testing
Carbon Low Alloy Steel and Cast Steel Hardness Conversion Table
Rockwell Rockwell Superficial Brinell Vickers Shore Hardness Conversion Table

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EN 10216-5
ASTM A789 ASME SA 789 S31803 S32205 S32101 S32750 S32760 S32304 S31500 S31260 Seamless Tubes
EN 10216-5 1.4462 1.4362 1.4162 1.4410 1.4501 Seamless Tubes
Copper Nickel Alloy Tubing:

UNS N08020 Nickel Alloy 20 Tubing
UNS N02200 Nickel Alloy 200 Tube
UNS N02201 Nickel Alloy 201 Pipe
Monel 400 Pipe
N06600 600 2.4816 Nickel Alloy Pipe
N06601 601 2.4851 Nickel Alloy Tubing
N06625 625 2.4856 Nickel Alloy Tubes
N08800 800 Nickel Alloy Tubes
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UNS N08825 825 2.4858 Nickel Alloy Seamless Pipes
ASTM B622 N10276 Nickel Alloy Seamless Tubing
ASTM B622 N06022 Hastelloy C-22 Nickel Alloy Tubes
C28000 Brass Seamless Tubes C44300 Brass Seamless Tubes
C68700 Brass Seamless Tubes
C70600 Copper Nickel Tubes
C71500 Copper Nickel Tubes
DIN 2391 Seamless Precision Steel Tubes
EN 10305-1 E215 E235 E355 Seamless Precision Steel Tube Tubing Tubes
DIN 2393 St28 St34.2 St37.2 St44.2 St52.3 Welded Precision Steel Tubes
EN 10305-2 E195 E235 E355 Welded Cold Drawn Precision Steel Tube