You are here: Home » Boiler Tubes » Economizer tube » JIS G3461
JIS G3461

Seamless carbon steel boiler tube

JIS G3461 Seamless Carbon Steel Boiler and Heat-exchanger tubes

Application: This type tube is widely used for superheater,boiler, shell & tube bundle heat-exchanger, condenser and similar heat transfer equipments.

 

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
Category: Economizer tube

Leave a Reply

Your email address will not be published. Required fields are marked *