Loading Port:China Main Port
Payment Terms:TT or LC
Min Order Qty:50mt m.t.
Supply Capability:5000 Tons Per Month m.t./month
Specifications of JIS G 3461 / JISG3461 seamless steel pipes
Scope of JIS G 3461 / JISG3461 seamless steel pipes This Japanese Industrial Standard specifies the carbon steel tubes, hereinafter refered to as the "tubes", used for excahnging heat on the inside and outside of the tube, such as water tubes, smoke tubes, superheater tubes, air preheater tubes, etc. of the boiler, ater tubes, etc. of the boiler, and heat exchanger tubes, condenser tubes, catalyser tubes, etc. used in chemical and petroleum inudstries. however, it is not applicable to the steel tubes for heating furnace and steel heat exchager tubes for bes for low temperature service. |
Classes and Symbols of JIS G 3461 / JISG3461 seamless steel pipes
The tube shall be classified into 3 grades and their class symbols shall be
as given in Table 1
Chemical Composition
(Applicable till the end of 1990)
Grade | Mfg. Process | Chemical composition(%) | ||||
C | Si | Mn | PP | |||
STB35 | S, E | 0.18Max | 0.35Max | 0.30~0.60 | 0.035Max | 0.035Max |
STB42 | S, E | 0.32Max | 0.35Max | 0.30~0.60 | 0.035Max&l"center">0.035Max | 0.035Max |
STB52 | S, E | 0.25Max | 0.35Max | 1.00~1.50 | 0.035Max | 0.035Max |
Packing of JIS G 3461 / JISG3461 seamless steel pipes
Each bundles pipes will be bundle with 8 pcs steel strips, nesting package.
