This JIS G3461 economizer pipe is widely used for superheater,boiler, shell & tube bundle heat-exchanger, condenser and similar heat transfer equipments.
JIS G3461 Seamless Carbon Steel Boiler and Heat-exchanger tubes.
Standard: JIS G3461
OD: 12.7-177.8 mm
WT:2.2-15 mm
Length: 25 meters(Max)
Fabricating process: Seamless & Cold drawn
Heat treatment: Annealed
Non-destructive test: 100% Eddy Current Test
Package: Bundle package or plywood box
Standead | Grade | Chemical Composition% | ||||
C | Mn | P | S | Si | ||
JIS G3461 | STB 340 | ≤0.18 | 0.30-0.60 | ≤0.035 | ≤0.035 | ≤0.35 |
STB 410 | ≤0.32 | 0.30-0.80 | ≤0.035 | ≤0.035 | ≤0.35 |
Standead | Grade | Chemical Composition% | ||
Tensile Strength(Mpa) | Yield Strength(Mpa) | Elongation(%) | ||
JIS G3461 | STB 340 | ≥340 | ≥175 | ≥35 |
STB 410 | ≥410 | ≥255 | ≥25 |