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317 stainless steel tube

The 317 stainless steel tube is a brand of stainless steel produced in accordance with the ASTM standard of the United States. It is equivalent to the 0Cr19Ni13Mo3 stainless steel tube in our country. 317 chromium containing 19%, containing nickel 13%, containing molybdenum 3%.


The corrosion resistance of 317 stainless steel tube is better than that of 0Cr17Ni12Mo3, and it is used as the material of dyeing equipment.

Heat treatment of 317 stainless steel tube: solid solution treatment (centigrade) 1010-1150 fast cooling

Mechanical properties of austenitic steel with 317 stainless steel tube treated by solid solution (GB/T4237-92)

The yield strength is more than 205/MPa, the tensile strength is more than 520/ MPa, the elongation is higher than 35%, hardness test: HBS = 187, HRB = 90, HV = 200

317 stainless steel chemical composition: C = 0.08, Si = 1, Mn = 2, P = 0.035, S = 0.030, Ni=11~15, Cr=18.00~20.00, Mo=3~4

A high alloy steel corrosion resistance in the air or chemical corrosion, stainless steel is a beautiful surface and good corrosion resistance, without plating surface treatment, its inherent surface properties of stainless steel, used in many aspects of steel, often called stainless steel. Represents the properties of 13 steel, chromium nickel steel and high alloy steel 18-8.

From metallographical analysis, stainless steel contains chromium to form a thin chromium film on the surface, which separates the oxygen from the steel and acts as an anticorrosive agent.

In order to maintain the corrosion resistance inherent to the stainless steel, the steel must contain more than 12% chromium.