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• - JIS G3445
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• - JIS G3461,G3462
• - JIS G3429
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JIS G3461, G3462 Carbon/Alloy steel tubes

Carbon steel/Alloy steel boiler and heat exchanger tubes.

Detailed Description

• Carbon steel/Alloy steel boiler and heat exchanger tubes.
  
• Standard:
  • JIS G3461 Carbon steel boiler and heat exchanger tubes
  • JIS G3462 Alloy steel boiler and heat exchanger tubes
• Size (mm):
  • Outer Dimensions: 19.05mm ~ 168.3mm
  • Wall Thickness:2.0mm ~ 14 mm
  • Length: max 19000mm
• Application: used for exchanging heat on the inside and outside of the tube, such as water tubes, smoke tubes, superherater tubes, air preheater tubes, etc. of boilers, and heat exchanger industries. it is not applicable to the steel tubes for heating furnace and those for heat exchangers for low temperature service.
• The main products of steel / steel grade: G3461(STB340, STB410, STB510), G3462(STBA22, STBA23) .
• Packing: Bare/bundles/crates/crate protection at the both sides of tubes or as per customers' requirements .
• Painting: as requested.

Chemical Compositions(%)

Grade	C	Si	Mn	P	S	Cr	Mo
STB340	≤0.18	≤0.35	0.30-0.60	≤0.035	≤0.035	/	/
STB410	≤0.32	≤0.35	0.30-0.80	≤0.035	≤0.035	/	/
STB510	≤0.25	≤0.35	1.00-1.50	≤0.035	≤0.035	/	/
STBA22	≤0.15	≤0.50	0.30-0.60	≤0.035	≤0.035	0.80-1.25	0.45-0.65
STBA23	≤0.15	0.50-1.00	0.30-0.60	≤0.030	≤0.030	1.00-1.50	0.45-0.65

 

Mechanical Properties

Grade	Yield Strength (Mpa)	Tensile Strength (Mpa)	Elongation (%)
STB340	≥175	≥340	≥35
STB410	≥255	≥410	≥25
STB510	≥295	≥510	≥25
STBA22	≥206	≥412	≥30
STBA23	≥206	≥412	≥30

 

Products Photo Gallery

View or download the PDF catalogue of JIS G3461 G3462

 

Related Products

Tubes/pipes for Boilers, Headers and Temperatures Services Application: construction of boilers, pipelines and equipments for high temperature and pressure services. ASTM A106: Seamless Carbon Steel Pipe for High-Temperature Service ASTM A192: Seamless Carbon Steel Boiler Tubes for High-Pressure Service ASTM A210: Seamless Medium-Carbon Steel Boiler and Superheater Tubes ASTM A213: Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes ASTM A333: Seamless and Welded Steel Pipe for Low-Temperature Service ASTM-A335: Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service JIS G3454: Carbon Steel Pipes for Pressure Service JIS G3455: Carbon Steel Pipes for High Pressure Service JIS G3456: Carbon Steel Pipes for High Temperature Service JIS G3461: Carbon Steel Boiler and Heat Exchanger Tubes JIS G3462: Alloy Steel Boiler and Heat Exchanger Tubes DIN1629: Seamless Circular Tubes of Non Alloys Steels with Special Quality Requirement. EN10216-1: Seamless Steel Tubes for Pressure Purposes - Technical delivery conditions - Part 1: Non-alloy steel tubes with specified room temperature properties DIN17175: Seamless Steel Tubes for Elevated Temperatures. EN10216-2: Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties

 

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