Stainless Steel Pipe 201
Product Introduction of the stainless steel pipe 201 : Basic information: Generally speaking, the diameter of the pipe can be divided into outside diameter, inner diameter, nominal diameter. Tubes for seamless steel tubes for the outer diameter of the tube with the letter D, followed by the...
stainless steel pipe 201
ASTM A554, A249, A269 and A270
201: Ni 0.8%~1%
202: Ni 3.5%~4.5%
304: Ni 8%, Cr 18%
316: Ni 10%, Cr 18%
6m or as customers' request
a) Outer Diameter: +/- 0.2mm
b) Thickness: +/- 0.02mm
c) Length: +/- 5mm
180G, 240G, 320G Satin / Hairline 400G, 600G Mirror finish
handrail, railing, staircase, weld mesh screen, door, window, balcony, fence, bench, furniture, etc
Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT
Chemical Composition of Material
Generally speaking, the diameter of the pipe can be divided into outside diameter, inner diameter, nominal diameter.
Tubes for seamless steel tubes for the outer diameter of the tube with the letter D, followed by the size and wall thickness, such as external diameter of 108 seamless steel tube, wall thickness of 5MM, with D108*5 said.
Plastic pipes are also expressed in outer diameter, such as De63.
Other such as reinforced concrete pipe, cast iron pipe, galvanized steel pipe, such as the use of DN indicated.
In the design drawings generally using the nominal diameter to indicate that the nominal diameter is designed for manufacturing and maintenance of a convenient man-made standards, but also the nominal size, is the pipe (or pipe) of the specification name.
The nominal diameter of the pipe and its inner diameter, outside diameter are not equal, for example: the nominal diameter of 100MM seamless steel tube has 102*5, 108*5, etc. several kinds, 108 is the outside diameter of the pipe, 5 means the wall thickness of the pipe, therefore, the diameter of the steel pipe is (108-5-5) =98mm, But it is not completely equal to the diameter of the steel tube minus twice times wall thickness, it can also be said that the nominal diameter is close to the inner diameter, but not equal to the inner diameter of a pipe diameter of the specification name, in the design drawings so to use the nominal diameter, in order to determine according to the nominal diameter of the pipe, pipe fittings, valves, Flanges, Gaskets, such as structural size and connection size, nominal diameter of the symbol DN, if the use of outside diameter in the design drawings, also should make a pipe specification table, indicating the nominal diameter of a pipe, wall thickness.
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