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About 304 grade:304 is a versatile stainless steel, which is widely used in the manufacture of equipment and components requiring good comprehensive properties (corrosion resistance and formability).
In order to maintain the inherent corrosion resistance of stainless steel, steel must contain more than 18% chromium and 8% nickel. 304 stainless steel is a brand of stainless steel produced in accordance with ASTM standard in USA.
304 and 304L belongs to austenitic stainless steel, it is the most widely used in the 300 series materials. Usually 304 304L with very similar characteristics, the only difference is the carbon contenting.
304L has lower carbon content and better corrosion resistance. But 304 of the strength is higher than 304L, so 304 has a higher strength than 304L.304 can be widely used in various departments, various fields. 304L is mainly used in welding industrial and other fields.
About 304 grade:304 is a versatile stainless steel, which is widely used in the manufacture of equipment and components requiring good comprehensive properties (corrosion resistance and formability).
In order to maintain the inherent corrosion resistance of stainless steel, steel must contain more than 18% chromium and 8% nickel. 304 stainless steel is a brand of stainless steel produced in accordance with ASTM standard in USA.
About 304L grade:304L stainless steel, also known as ultra-low carbon stainless steel, is a versatile stainless steel material, which is widely used to produce equipment and components requiring good comprehensive properties (corrosion resistance and formability).
Lower carbon content minimizes the amount of carbides precipitated in the heat affected zone near the weld, and the precipitation of carbides may lead to intergranular corrosion (welding corrosion) of stainless steel in some environments
Chemical Composition and Mechanical Property
|
Grade
|
C(%)
|
Si(%)
|
Mn(%)
|
P(%)
|
S(%)
|
Cr(%)
|
Ni(%)
|
N(%)
|
|
304 |
≤0.08 |
≤1.00 |
≤2.0 |
≤0.045 |
≤0.03 |
18.0-20.0 |
8.0-10.5 |
≤0.1 |
|
304L |
≤0.03 |
≤1.00 |
≤2.0 |
≤0.045 |
≤0.03 |
18.0-20.0 |
8.0-12.0 |
≤0.1 |
|
Grade
|
tensile strength (Mpa)
|
Yield Strength (Mpa)
|
Elongation (%)
|
Hardness (HR)
|
|
304 |
≥520 |
≥205 |
≥40 |
≥90 |
|
304L |
≥520 |
≥205 |
≥40 |
≥90 |
Available for 304 and 304L
|
Technical |
Thickness |
Width |
Finish |
Standard |
Origin |
|
Cold rolled (2B) |
0.5mm-6.0mm |
Standard width:1000mm 1219mm 1500mm. Special width:Available |
Origin: 2B / BA Processing: No.4 /HL / Mirror etc |
GB/ASTM/JIS/DIN/KS etc |
TISCO / ZPSS / JISCO etc |
|
Hot rolled (No.1) |
3.0mm-100.0mm |
Standard width: 1219mm 1500mm 1800mm 2000mm Special width:Available |
Origin: No.1 Processing: No.4/HL/Mirror etc |
GB/ASTM/JIS/DIN/KS etc |
Eastern steel/Chengde Delong /etc |
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