JIS G3461

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JIS G3461 Heat Exchanger Tube

About JIS G3461 Steel Tube

  • OD: 15.9mm ~ 139.8mm
  • WT: 1.24mm-59.54mm, SCH5~SCH160,XXS
  • Length: 5-12m or as customer required
  • Application: Hydraulic system pipeline pipe,Gas and Fluid Transportation, Mechanical Pipeline, power plant, etc.
  • Supplementary Technology: Plain or threaded with socket, beveled with plastic caps, hydraulic testing, eddy current, Infrared test.
  • Surface: Bare,black painted,varnished,oiled, 2PE, 3PE
  • Delivery state: Hot Rolled, Cold Drawn
  • Steel Grade: STB 340, STB 410, STB 510

Product Scope:

JIS G3461 STB 340 used for exchanger heat on inside and outside of the tube, such as water tubes, smoke tubes, superheater tubes, air preheater tubes, etc. of the boiler, and heat exchanger tubes, condenser tubes, catalyser tubes, etc. used in chemical and petroleum industries. However, it is no applicable to the steel tubes for heating furnace and steel heat exchanger tubes for low temperature service. ANSON is an experienced boiler and pressure steel tube supplier which can offer you JIS G3461 steel tube of all grade and dimension range.

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:

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

ANSON can supply JIS G3461 steel tube from stock or from reputed steel mills. We also offer steel fabrication service where steel plates can go through processings like cutting, welding, bending, machining, pre-coating, pre-lined, beveling, or as you require. Our steel mills have fabricating employees that have 5-10 years of working experience. If you are interested in buying JIS G3461 steel tube products, contact us now for the latest price or check the following table for equivalent steel grade of JIS G3461.

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