JIS G3461 STB 340 seamless steel pipe is used for the heat exchange tubes inside and outside the boiler, such as water pipe, smoke pipe, superheater tube, air preheater tube, and heat exchanger tube, condenser tube, catalytic pipe, etc. in chemical and petroleum industries. However, JIS G3461 STB 340 seamless steel pipe is not suitable for heating furnace steel pipe and low temperature steel heat exchanger tube.
The equivalent grades of JIS G3461 STB 340 seamless steel pipe
JIS G3461 |
ASTM |
ASME |
BS |
DIN |
ABS |
NK |
LRS |
DNV |
STB 340 |
A178 |
SA178A |
3059-P1 320 |
17175 st 35.8 |
ABS D |
KSTB33 |
Sec 6 320 |
Sec 4-E-TS360 |
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