Stainless steel tube for machining
Application: boiler, central air conditioning, steel structure, mechanical processing, pipeline gas, fire petrochemical industry, printing and dyeing equipment, sugar making equipment, beer pipeline, heat exchanger, medical equipment, water treatment equipment, kitchenware, auto parts, water supply, etc. industry.
Executive standard: GB / T14975-2002 Structural stainless steel
GB / T14976-2002 Stainless steel pipe for conveying fluid
GB/ 13296-91 boiler tube, stainless steel tube for heat exchanger
(GJB2608-96) (YB676-73) Aviation structural tubes, thick-walled seamless steel tubes
(GJB2296-95) (YB678-71) stainless steel pipe for aviation
Theoretical calculation formula: (outer diameter-wall thickness) * wall thickness * 0.02491 = KG / M (weight per meter)
TP304L stainless steel pipe is a kind of high alloy that can resist corrosion in the air or chemical corrosion medium. Polished stainless steel has a smooth surface and good corrosion resistance. It does not need to undergo surface treatment such as plating, and exerts the inherent surface properties of stainless steel. A type of steel that is commonly known as stainless steel. The representative properties are 13 chromium steel, 18-8 chromium nickel steel and other high alloy steels. From the metallurgical point of view, because the stainless steel contains chromium, a very thin chromium film is formed on the surface. This diaphragm plays a role in corrosion resistance with the oxygen intruding into the steel. In order to protect the inherent corrosion resistance of stainless steel, steel must contain more than 12% chromium.
Usage: suitable for food processing, storage and transportation; good processing performance and weldability; plate heat exchangers, bellows, housewares, building materials, chemicals, food industry, etc.
Performance deficiencies: large-section steel parts are sensitive to intergranular corrosion after welding; in CL-containing water (including wet atmosphere) are very sensitive to stress corrosion; the mechanical strength is low.
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