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stainless steel decoration round pipe

201 stainless decoration steel pipe

About 201 SS decoration round pipe 

201 stainless steel decorative tube is also called stainless steel welded steel pipe referred to as 201 welded pipe,commonly used in steel or steel strip after the unit and the mold coil forming after welding made of steel. 

201 welding steel pipe production process is simple, the production efficiency is high, the variety of specifications, equipment and less capital, but the general strength is lower than the seamless steel pipe. But 201 in the construction of a very wide range of decorative. And the production process is simple, high efficiency, low price.

Stainless steel decorative tube also called stainless steel welded pipe referred to as welded pipe, commonly used in steel or steel strip after the unit 

and the mold coil forming after welding made of steel. Welding steel pipe production process is simple, the production efficiency is high, the variety 

of specifications, equipment and less capital, but the general strength is lower than the seamless steel pipe.


With the rapid development of high-quality strip rolling production and progress of welding and testing technology, and constantly improve the weld quality,

 varieties and specifications of welded steel pipe is increasing, and in more and more fields especially in the heat exchanger tube, decorative tube, etc. in 

the low-pressure fluid pipe instead of the seamless steel tube.


International Standard size of SS decoration round pipe 

英寸
Inch
公称通径(mm)
DN
外径(mm)
OD
壁厚标准(Standards of wall thickness)
SCH5sSCH10sSCH10SCH20SCH30SCH40SCH60SCH80SCH100SCH120––
1/8DN610.31.241.732.42
1/4DN813.71.652.243.02
3/8DN1017.11.652.313.2
1/2DN1521.31.652.112.773.73
3/4DN2026.71.652.112.873.91
1DN2533.41.652.773.384.55
1-1/4DN3242.21.652.773.564.85
1-1/2DN4048.31.652.773.685.05
2DN5060.31.652.773.915.54
2-1/2DN6573.02.113.055.167.01
3DN8088.92.113.055.497.62
3-1/2DN90101.62.113.055.748.08
4DN100114.32.113.056.028.5811.13
5DN125141.32.773.46.559.5312.7
6DN150168.32.773.47.1110.9714.27
8DN200219.12.773.766.357.048.1810.3112.715.0918.26
10DN250273.13.404.196.357.89.2712.715.0918.2621.44
12DN300323.93.964.576.358.3810.3114.2717.4821.4425.4
14DN350355.53.964.786.357.929.5311.1315.0919.0523.8327.79
––


Chemical compostion 

GradeC(%)Si(%)Mn(%)Cr(%)P(%)S(%)N(%)Ni(%)Cu(%)
201≤0.15≤0.755.50-7.5016.00-18.00≤0.06≤0.03≤0.25≤0.60.80-1.50

Physical property

GradeTensile strength 
(Mpa)
Yield Strength
(Mpa)
Elongation
(%)
201≥520≥27055.00-60.00

Allowed wall thickness tolerance 

LevelWall thickness tolerance allowed
D1+-1.5%,Min +-0.75mm
D2+-1.0%,Min +-0.50mm
D3+-0.75%,Min +-0.30mm
D4+-0.50%,Min +-0.10mm

Calculating formula for weight(KG/M)

{(Outdais meter-wall thickness)×wall thickness}×0.02491=KG/M

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