Application: Used in hydraulic system pipelines, gas and fluid transportation, mechanical pipelines, power plants, and more.
Additional Technology: Options include being plain or threaded with a socket, beveled with plastic caps, and subjected to hydraulic testing, eddy current examination, and Infrared testing.
Surface: Available in a bare, black painted, varnished, oiled, 2PE, or 3PE finish.
Delivery Condition: Can be supplied in a Hot Rolled or Cold Drawn state.
JIS G3461 STB 340 is employed for heat exchange applications both internally and externally, serving various purposes such as water tubes, smoke tubes, superheater tubes, and air preheater tubes in boilers. Additionally, it finds application in heat exchanger tubes, condenser tubes, catalyzer tubes, and more within the chemical and petroleum industries. It is worth noting that JIS G3461 is not suitable for steel tubes used in heating furnaces and low-temperature service for steel heat exchanger tubes. ANSON, with extensive expertise in boiler and pressure steel tubes, is poised to provide JIS G3461 steel tubes in a comprehensive range of grades and dimensions.
JIS G3461 Chemical Composition:
JIS G3461
Traditional symbol
C
Si
Mn
P
S
STB 340
STB 35
0.18 max
0.35 max
0.30 to 0.60
0.035 max
0.035 max
STB 410
STB 42
0.32 max
0.35 max
0.30 to 0.80
0.035 max
0.035 max
STB 510
STB 52
0.25 max
0.35 max
1.00 to 1.50
0.035 max
0.035 max
JIS G3461 Mechanical Property:
JIS G3461
Tensile strength N/mm2
Yield point or proof stress N/mm2
Elongation %
Hardness
Outside diameter under 10 mm
Outer diameter 10 mm or over to and excl. 20 mm
Outer diameter 20mm or over
No. 11 test piece
No. 11 test piece
No. 11 test piece No. 12 test piece
STB 340
340 min
175 min
27 min
30 min
35 min
77max
STB 410
410 min
255 min
17 min
20 min
25 min
79max
STB 510
510 min
295 min
17 min
20 min
25 min
92max
JIS G3461 Equivalent steel grade:
JIS G3461
ASTM
ASME
BS
DIN
ISO
ABS
NK
LRS
DNV
STB 340
A178
SA178 A
3059-P1 320
17175 st 35.8
ABS D
KSTB 33
Sec 6 320
Sec 4-E-TS360
STB 410
A178 C
SA178 C
3059-P2 440
17175 st 45.8
ABS F
KSTB 42
Sec 6 410
Sec 4-E-TS410-1
STB 510
17175 19Mn 5
Sec 4-E-TS510
CG Steel is equipped to provide JIS G3461 steel tubes, sourced either from our stock or reputable steel mills. Additionally, we extend steel fabrication services, allowing steel plates to undergo processes such as cutting, welding, bending, machining, pre-coating, pre-lining, beveling, or customization based on your specifications. Our steel mills are staffed with experienced fabricators, each possessing 5-10 years of industry expertise. If you are interested in purchasing JIS G3461 steel tube products, reach out to us now for the latest pricing, or refer to the table below for equivalent steel grades of JIS G3461.
