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You are here: Home- NewsWhat is the Difference between 301 and 304 Stainless Steel? How do they stack up against one another?

What is the Difference between 301 and 304 Stainless Steel? How do they stack up against one another?

Posted:2/22/2017 9:40:38 PM

Grade 301 stainless steel, with its higher carbon content (0.15% compared to 304’s 0.08% by weight), can better withstand mechanical force. Grade 304 stainless steel, by comparison, can only take up to 90 ksi of pressure before experiencing mechanical failure.

The Key differences in chemical composition of 301 and 304

Grade

Carbon

Manganese

Phosphorous

Sulfur

Silicon

Chromium

Nickel

Nitrogen

301

0.15

2.00

0.045

0.030

0.75

16.00 – 18.00

6.00 – 8.00

0.10

304

0.08

2.00

0.045

0.030

0.75

18.00 – 20.00

8.00 – 12.00

0.10

As we can see from the above table, many of the compounds in the two steel alloys are capped at the same values. However, grade 304 stainless steel gets more chromium and nickel than grade 301 does. This tends to make grade 304 stainless more expensive than grade 301 is.

Physical properties of 301 grade stainless steel


Grade

Density (kg/m3)

Elastic Modulus (GPa)

Mean Coefficient of Thermal Expansion (μm/m/°C)

Thermal Conductivity (W/m.K)

Specific Heat 0-100°C
(J/kg.K)

Electrical Resistivity (nΩ.m)

0-100°C

0-315°C

0-538°C

at 100°C

at 500°C

301

7880

193

16.9

17.2

18.2

16.2

21.4

500

695

The Typical applications of301 grade stainless steel

1, Making rail car structural components
2, Air frame sections
3, Highway trailer components
4, Automotive wheel covers
5, Wiper blade clips and holders
6, Stove element clips
7, Screen frames
8, Toaster springs
9, Curtain walls

We are a trusted and reliable brand for our high quality and good manufacturing of 301 and 304 Stainless Steel. Our company has been a manufacturer and exporter of 301 and 304 Stainless Steel for decades, and has been sold all over the world with favorable price. As a responsible enterprise, we always stick to be your satisfying partner.

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