JIS G3461 Carbon Steel Tubes is used for exchanging heat on the inside and outside of the tube, such as water tubes, smoke tubes, superheater tubes and air preheater tubes of the boiler, and heat exchanger tubes,condenser tubes and catalyser tubes used in chemical and petroleum industries. It is not applicable to the steel tubes for heating furnace and steel heat exchanger tubes for low temperature service.
Grade:G3461 STB340 (STB35), G3461 STB410(STB42), G3461 STB510 (STB52)
Outer Dimensions: 19.05mm – 168.3mm
Wall Thickness:2.0mm – 14 mm
Length: max 19000mm
Chemical composition of JIS G3461:
JIS G3461 tube Mechanical Properties:
Yield point N/mm2
Outside diameter 20mm or over
Outside diameter 10mm or over to and excl. 10mm
Outside diameter under 10mm
No. 11/12 test piece
No. 11 test piece
No. 11 test piece
JIS G 0320 Standard test methods for heat analysis of steel products.
JIS G 0321 Product analysis and its tolerance for wrought steel.
JIS G0404 Steel and steel products-General technical delivery requirements.
JIS G0415 Steel and steel products-Inspection documents
JIS G0567 Method of elevated temperature tensile test for steels and heat-resisting alloys
JIS G0582 Ultrasonic examination for steel pipes and tubes
JIS G0583 Eddy current examination of steel pipe and tubes by encircling coil technique.
JIS Z2201 Test piece for tensile test for metallic materials
JIS Z2241 Method of tensile test for metallic materials
JIS Z2245 Rockwell hardness test-Test method
JIS Z8401 Guide to the rounding of numbers
Recommendation: ASTM A178 Boiler Tube,ASTM A179 Heat-Exchanger Tube,ASTM A192 High Pressure Boile Tube,ASTM A209 Alloy Boiler Tube,ASTM A210 Boiler Tube,ASTM A213 Boiler Tube,ASTM 250 ERW Boiler Tube,ASTM A312 Stainless Steel Boiler Pipe.