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Stainless steel grade 301 is typically supplied as strips and wires with tensile strength reaching 1800 MPa, available in tempers ranging from 1/16 Hard to Full Hard. Through controlled analysis, grade 301 maintains sufficient ductility even in ½ hard conditions, making it suitable for aircraft components, rail car parts, and architectural structures. Tempers from ¾ to full hard are ideal for applications requiring high wear resistance and spring features with simple form designs.
Grade 301L, the low carbon variant, offers superior ductility for forming applications. Grade 301LN contains higher nitrogen content and exhibits increased work hardening rates compared to standard 301. While only grade 301 is specified in ASTM A666, 301L conforms to JIS G4305 and 301LN to EN10088-2 as grade 1.4318.
Chemical Composition
Table 1 - Composition Ranges for 301 Grade Stainless Steel
Grade
C
Mn
Si
P
S
Cr
Mo
Ni
N
301 ASTM A666
min. - 0.15
- 2.0
- 1.0
- 0.045
- 0.030
16.0 - 18.0
-
6.0 - 8.0
- 0.10
301L JIS G4305
- 0.03
- 2.0
- 1.0
- 0.045
- 0.030
16.0 - 18.0
-
6.0 - 8.0
- 0.20
1.4318/301LN EN 10088-2
- 0.03
- 2.0
- 1.0
- 0.045
- 0.015
16.5 - 18.5
-
6.0 - 8.0
0.10 - 0.20
Mechanical Properties
Table 2 - Mechanical Properties of 301 Grade Stainless Steel
Grade 301 Temper ASTM A666
Tensile Strength (MPa) min.
Yield Strength 0.2% Proof (MPa) min.
Elongation (% in 50mm) min.
Bend Angle (°)
Bend Factor
Annealed
758
276
60
-
-
1/16 Hard
620
310
40
180
1
1/8 Hard
690
380
40
180
1
1/4 Hard
862
514
25
90
2
1/2 Hard
1034
758
18
90
2
3/4 Hard
1205
930
12
90
3
Full Hard
1276
965
9
90
5
Physical Properties
Table 3 - Physical Properties of 301 Grade Stainless Steel
Grade
Density (kg/m³)
Elastic Modulus (GPa)
Thermal Expansion (μm/m/°C)
Thermal Conductivity (W/m.K)
Specific Heat (J/kg.K)
Electrical Resistivity (nΩ.m)
301
7880
193
16.9 (0-100°C) 17.2 (0-315°C) 18.2 (0-538°C)
16.2 (at 100°C) 21.4 (at 500°C)
500
695
Technical Characteristics
Corrosion Resistance
Grade 301 stainless steel offers corrosion resistance comparable to grade 304, providing excellent performance in mildly corrosive environments at ambient temperatures.
Heat Resistance
Exhibits good oxidation resistance for intermittent service up to 840°C and continuous service up to 900°C.
Heat Treatment
Solution treatment annealing is performed at 1010°C to 1120°C followed by rapid cooling. Intermediate annealing uses lower temperature ranges. Thermal hardening is not suitable for this grade.
Cold Working
Grade 301 and its low carbon variants are primarily used as high-strength stainless steels with exceptionally high work hardening rates (approximately 14MPa increase per 1% reduction in area). Cold rolling and roll forming operations can achieve high strengths while maintaining residual ductility for severe cold deformation. The alloy is non-magnetic when annealed but becomes strongly magnetic when cold worked.
Welding
Suitable for all standard welding methods using grade 308L as filler metal. Welded parts require annealing for maximum corrosion resistance, though 301L and 301LN variants do not require post-weld annealing. Spot welding effectively assembles cold rolled 301 components without compromising overall strength.
Applications
Rail car structural components
Air frame sections
Highway trailer components
Automotive wheel covers
Wiper blade clips and holders
Stove element clips
Screen frames
Toaster springs
Curtain walls
Product Images
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...
