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Custom SUS304 Stainless Steel Seamless Pipe with ASTM A312 / 312M Standard
Specifications:
The Pipe is Cetificated by China Classification Society Certification Company.
Producing according to ASTM A312/312M standard.
| Technical Parameter for Seamless Pipe | Tensile Strength | 520-530Mpa |
| Yield Strength 0.2% | 205 - 225 | |
| Elongation % | 35 - 38 | |
| Corrosion test | ACCEPTABLE | |
| Flaring | ACCEPTABLE | |
| Hydraulic | ACCEPTABLE | |
| Eddy Current | ACCEPTABLE | |
| PMI | ACCRPTABLE | |
| Surface | Acid wash, annealing | |
| Ends | Beveled and Caps | |
| Packing | Woven bags | about 2ton for each bundle |
| Dimension | OD Size | 6mm - 630mm |
| Thickness | 0.5mm - 25mm | |
| Length | 5 - 5.8m, 6m,double random length | |
| Certificate | ISO/SGS/BV/Lloyd/ABS/CCS/RINA/GL/DNV | |
Description:
Also known as the seamless stainless steel pipes, stainless steel seamless pipe, steel ingot or billet is made by solid capillary hole, then hot, cold or cold drawing made. Specification for seamless steel tube with outer diameter * wall thickness mm.
201 stainless steel --S20100 (AISI.ASTM)
304 stainless steel tube full name SUS304 stainless steel tube
SUS304 stainless steel pipe is the United States trademark material of stainless steel pipe, the domestic brand is equivalent to 0Cr19Ni9 stainless steel pipe, usually with 0Cr18Ni9 alternative.
Stainless steel is the mechanism of the formation of alloy elements is the potential, no longer have the ability to transport electrons to oxidizing agents.
304 materials appear rusty phenomenon, may have the following reasons:
The presence of chloride ions in the environment.
Chloride ion widespread, such as salt, sweat trace, sea water, sea breeze, soil, etc.. Stainless steel in the presence of chloride ions in the environment, corrosion is very fast, even more than ordinary low carbon steel, chloride ion and alloy elements in the formation of Fe complexes, the Fe positive potential is reduced, and then be oxidized to take away the electrons.
So the use of stainless steel in the environment is required, but also need to regularly wipe, remove dust, keep clean and dry.
Applications:
Used in industries as chemical engineering, petroleum, medicine, food, energy, nuclear power, aerospace,
environmental protection, boiler, gas, war industry, machinery, ship building and so on.
