Boiler seamless steel pipe - low and medium pressure boiler seamless pipe (China Standard -GB3087)

Standard
GB3087---------
China National Standard

Purpose:

For low-pressureboiler (working pressure is generally not dry 5.88MPa, working temperaturebelow 450 ) of heatingsurface tubes, set top box and steam pipes.

The mainproduction steel grades:

10,20 After consultation, can also supply other grades ofsteel pipe

Mechanical properties

Standard

Grade

Tensile strength (MPa)

Yield strength (MPa)

Elongation (%)

GB3087

10

335~475

≥195

≥24

20

410~550

≥245

≥20