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Introduction：
304 stainless steel plate is widely used, with good corrosion resistance, heat resistance, low temperature strength and mechanical properties; good thermal workability, such as stamping and bending, no heat treatment hardening (non-magnetic, service temperature - 196°C~800° C). Stainless steel plate with 304 quality is ideal for a variety of general purpose and light duty applications. It contains chromium and nickel, which help improve its water, moisture and oxidation resistance. Properties of 304 stainless steel plate include: rust and oxidation resistant, easy to form and fabricate, non-magnetizable and strong in addition to being commonly used in building and construction. Attractive to work with, 304 stainless steel is ideal for food and healthcare applications as it can withstand most oxidizing acids and some corrosive substances.
Composition：
-
ASTM A276
-
ASTM A240
-
JIS G4305
JIS G4303
Ingredient content required by various standards
1、ASTM A276（Standard Specification for Stainless Steel Bars and profiles）
304 |
C |
Mn |
P |
S |
Si |
Cr |
Ni |
Requirment,% |
≤0.08 |
≤2.00 |
≤0.045 |
≤0.030 |
≤1.00 |
18.0-20.0 |
8.0-11.0 |
2、ASTM A240（Chromium and Chromium-Nickel Stainless Steel Plate,Sheet, and Strip for Pressure essels and for General Applications）
304 |
C |
Mn |
P |
S |
Si |
Cr |
Ni |
N |
Requirment,% |
≤0.07 |
≤2.00 |
≤0.045 |
≤0.030 |
≤0.075 |
17.5-19.5 |
8.0-10.5 |
≤0.1 |
3、JIS G4305（cold-rolled ,stainless steel plate,, sheet, and strip）
SUS 304 |
C |
Mn |
P |
S |
Si |
Cr |
Ni |
Requirment,% |
≤0.08 |
≤2.00 |
≤0.045 |
≤0.030 |
≤1.00 |
18.0-20.0 |
8.0-10.5 |
4、JIS G4303 （Stainless steel bars）
SUS 304 |
C |
Mn |
P |
S |
Si |
Cr |
Ni |
Requirment,% |
≤0.08 |
≤2.00 |
≤0.045 |
≤0.030 |
≤1.00 |
18.0-20.0 |
8.0-10.5 |
Properties：
Tensile strength σb (MPa)≥515-1035
Conditional yield strength σ0.2 (MPa)≥205
Elongation δ5 (%)≥40
Area shrinkage ψ (%)≥ -
Hardness: ≤201HBW;≤92HRB;≤210HV
Density (20℃, g/cm³): 7.93
Melting point (℃): 1398~1454
Specific heat capacity (0~100℃, KJ kg-1K-1): 0.50
Thermal conductivity (W·m-1·K-1): (100℃) 16.3, (500℃) 21.5
Linear expansion coefficient (10-6·K-1): (0~100℃) 17.2, (0~500℃) 18.4
Resistivity (20℃, 10-6Ω·m2/m): 0.73
Longitudinal elastic modulus (20℃, KN/mm2): 193
Application：
304 Stainless Steel can be used in sinks, common coils in vaporizers, machine parts, screws, automobiles, water filtration units, food processing equipment, aircraft, rockets, construction, dyeing equipment, chemical containers and heat exchangers.
304 stainless steel is also used for screws, nuts, bolts and other types of fasteners in marine applications.
One of the most common uses for 304 stainless steel has always been kitchen utensils, including pots, pans, and flatware. This allows 304 steel to be stamped and deep drawn for a variety of applications including sinks, pans and other hollow vessels.
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