Marine seamless steel pipe is actually common in marine electrical. Two systems of ship and marine engineering generally need three associated with steel pipes covering steel pipe with the conventional system, construction steel pipe and special steel tube. This steel tube is applicable to Class I and Class II pressure tubing, boiler and superheater that are for manufacturing ships.Certificates
Specifications of Marine Seamless Steel PipeTable 1 Grade of Seamless Steel Pipe (Pressure Tubing)
Table 2 Allowable Deviation of Outside Diameter and Wall Thickness
Table 3 Grade and Chemical Composition of Marine Seamless Steel Pipe
Note: Grade 490 is only applicable to pressure tubing.
Table 4 Room Temperature Mechanical Properties of Steel Tube
Note: Marine seamless steel pipe is often delivered in normalizing state or normalizing and tempering state. If it is delivered in hot-rolled state, the final rolling temperature should not be below Ar3.
Table 5 High Temperature Mechanical Properties of Steel Tube
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