company news about JIS G3454 Steel Pipe Factory

main features and applications

1) used for the transportation of water, air, steam, oil, gas, and other fluids at temperatures up to approximately 350°c.

2) available in two strength grades of 370 and 410, and in schedule nos. (pipe thickness) of 10, 20, 30,40, 60, and 80.

+0.6mm

-0.5mm

4mm or over

+15%

-12.5%

under 3mm
0.3mm

3mm or over
10%

32 a or over 0.8%

for the pipe of nominal size 350 a or over, the tolerances on outside diameter may be determined by the measurement of the length of circumference. in this case, the tolerances shall be 0.5%.