Seamless Steel Tube for Low and Medium Pressure Boiler

Manufacturing Specification of Seamless Steel Tube for Low and Medium Pressure Boiler
No. Grade Specification Executive Standard
Outer Diameter/mm Wall Thickness/mm Economical Length/m
1 10, 20 10 ~ 127 1 ~ 20 6 ~ 12.0 GB3087
42 ~ 114.3 3.5 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 22 6 ~ 12.2
68 ~ 254 10 ~ 55 6 ~ 12.2
140 ~ 368 6 ~ 42 6 ~ 12.2
318 ~ 720 14 ~ 120 4 ~ 12.5
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