201
201 stainless steel, with a certain acid resistance, alkali resistance, high density, polishing without bubbles, no pinhole and other characteristics, is the production of all kinds of watchcase, watchband cover high quality materials.Mainly used for decorative pipe, industrial pipe, some shallow stretching products.

(C)≤0.15
(Si)≤1.00
(Mn)5.5～7.50
(Cr)16.0～18.0
(N)≤0.25
(P)≤0.060
(S)≤0.030
(Ni)3.5-5.5

202
202 stainless steel is one of the 200 series of stainless steel, gb model for 1Cr18Mn8Ni5N.200 series stainless steel belongs to low nickel high manganese stainless steel, nickel content, manganese content about 8%, is the section nickel stainless steel.
Chemical composition
C≤0.15
Si≤1.0
Mn≤7.5-10.0
P≤0.060
S≤0.03
Ni 4.00-6.00
Cr 17.0-19.0
Mo -
Cu -
N≤0.25

304
304 stainless steel is a common material in stainless steel with a density of 7.93 g/cm, also known in the industry as 18/8 stainless steel.High temperature resistance 800℃, with the characteristics of good processing performance, high toughness, widely used in the industrial and furniture decoration industry and food and medical industry.
Tensile strength b (MPa)≥515-1035
304 stainless steel atlas
304 stainless steel atlas (6 sheets)
The yield strength is 0.2 (MPa)≥205
Elongation = 5 (%)≥40
Reduction of area bits of p (%)?
Hardness: 201 HBW or less;
92 HRB or less;
210 hv or less
Density (20℃, g/cm) : 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 ℃, 10-6 Ω m2 / m) : 0.73
Longitudinal modulus of elasticity (20℃, KN/mm2) : 193

904L
904L (N08904,14539) super austenitic stainless steel contains 14.0-18.0% chromium, 24.0-26.0% nickel and 4.5% molybdenum.
904L super austenitic stainless steel belongs to low carbon high nickel and molybdenum austenitic stainless steel, which is stainless and acid resistant.
It has good activity-passivation conversion ability and excellent corrosion resistance. It has good corrosion resistance in non-oxidizing acids such as sulfuric acid, acetic acid, formic acid and phosphoric acid, good pitting resistance in neutral chlorine-containing medium, and good crack corrosion resistance and stress corrosion resistance.
Suitable for various concentrations of sulfuric acid below 70℃, under normal pressure to withstand any concentration, any temperature of acetic acid, and acid and acetic acid mixed acid corrosion resistance is also very good.

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Q: Are you trading company or manufacturer ?
A: We are professional manufacturer for steel pipe, and our company also is a very professional a trade company for steel
products.we can also provide a wide range of steel products.

Q: Will you delivery the goods on time?
A: Yes,we promise to provide best quality products and delivery on time .Honesty is our company's tenet.

Q: Do you provide samples ? is it free or extra ?
A: The sample could can provide for customer with free,but the courier freight will be covered by customer account.

Q: Do you accept the third party inspection?
A: Yes absolutely we accept.