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Boiler / Heat Exchanger Seamless Steel Tube Round Shape With Od 3 - 420mm

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Boiler / Heat Exchanger Seamless Steel Tube Round Shape With Od 3 - 420mm

China Boiler / Heat Exchanger Seamless Steel Tube Round Shape With Od 3 - 420mm supplier
Boiler / Heat Exchanger Seamless Steel Tube Round Shape With Od 3 - 420mm supplier Boiler / Heat Exchanger Seamless Steel Tube Round Shape With Od 3 - 420mm supplier Boiler / Heat Exchanger Seamless Steel Tube Round Shape With Od 3 - 420mm supplier Boiler / Heat Exchanger Seamless Steel Tube Round Shape With Od 3 - 420mm supplier Boiler / Heat Exchanger Seamless Steel Tube Round Shape With Od 3 - 420mm supplier Boiler / Heat Exchanger Seamless Steel Tube Round Shape With Od 3 - 420mm supplier Boiler / Heat Exchanger Seamless Steel Tube Round Shape With Od 3 - 420mm supplier

Large Image :  Boiler / Heat Exchanger Seamless Steel Tube Round Shape With Od 3 - 420mm

Product Details:

Place of Origin: ZheJiang,CHINA
Brand Name: TORICH
Certification: ISO14001:2008,TS16949
Model Number: JIS G3462 STBA 12 STBA 13 STBA 20 STBA 22

Payment & Shipping Terms:

Minimum Order Quantity: 5 Ton
Price: negotiable
Packaging Details: packing in wooden boxes or in hexagonal bundles
Delivery Time: 30-35 days
Payment Terms: T/T, D/A, D/P, L/C, Western Union, MoneyGram
Supply Ability: 60000 Ton per year
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Detailed Product Description
Product Name: JIS G3462 STBA 12 STBA 13 STBA 20 Seamless Boiler And Heat Exchanger Alloy Tube Type: JIS G3462 STBA 12 STBA 13 STBA 20 STBA 22
Surface: Oiled Material: T5 T9 T11 T12 T22
Usage: Boiler Shape: Round Shape
OD: 3-420mm WT: 0.5-50mm

Details of Seamless Alloy Steel Pipe :

 

Material: Alloy Steel Steel Grade: STBA 12 STBA 13 STBA 20 STBA 22 STBA23 STBA 24 STBA 25 STBA 26 Etc
Produce Method: Electric Resistant Welding And Seamless Heat Treatment: Annealing, Isothermal Annealing, Full Annealing Etc
Standard: JIS G3462 Application: For Boiler And Heat Exchanger
Relevant Standard: KS D 3572 ASTM A 161 A209 A213 A199 DIN 17175 BS 3059

 

 

JIS G 3462 STBA 12 STBA 13 STBA 20 STBA 22 STBA23 STBA 24 STBA 25 STBA 26 Alloy Steel Boiler and Heat Exchanger

 

 

JIS G 3462 Alloy steel boiler and heat exchanger

Standard for Seamless Alloy Steel Pipe :JIS G 3462

Wall thickness 0.5-50mm Diameter 5-420mm Length Upon request

 

Application of Seamless Alloy Steel Pipe: for boiler and heat exchanger

 

Seamless Alloy Steel Pipe Produce method:

STBA 12,STBA13,STBA20,,STBA 22 :electric resistant welding

STBA 25 STBA 26 :Seamless

 

Heat treatment of Seamless Alloy Steel Pipe:

STBA 12,STBA13:Low temperature annealing,

isothermal annealing, full annealing,

normalizing followed by tempering.

STBA 20 STBA22: Low temperature annealing,

isothermal annealing, full annealing,

normalizing followed by tempering.

STBA 23 STBA 24 STBA 25 STBA 26:Isothermal annealing,

full annealing followed by tempering.

 

CHEMICAL COMPOSITION % max
Steel grade C Si Mn P S Cr Mo
STBA 12 0.10-0.20 0.10-0.50 0.30-0.80 0.035 0.035 - 0.45-0.65
STBA 13 0.15-0.25 0.10-0.50 0.30-0.80 0.035 0.035 - 0.45-0.65
STBA 20 0.10-0.20 0.10-0.50 0.30-0.60 0.035 0.035 0.50-0.80 0.45-0.65
STBA 22 0.15 0.5 0.30-0.60 0.035 0.035 0.80-1.25 0.45-0.65
STBA 23 0.15 0.50-1.00 0.30-0.60 0.035 0.030 1.00-1.50 0.45-0.65
STBA 24 0.15 0.5 0.30-0.60 0.035 0.030 1.90-2.60 0.87-1.13
STBA 25 0.15 0.5 0.30-0.60 0.035 0.030 4.00-6.00 0.45-0.65
STBA 26 0.15 0.25-1.00 0.30-0.60 0.035 0.030 8.00-10.00 0.9-1.10

 

 

MECHANICAL PROPERTIES min
Steel Grade Tensile Strength Mpa Yeild point or proof stress Mpa Elongation %
OD 20mm and over OD 10mm or over to and excl. 20mm OD up to 10mm
STBA 12 380 205 30 25 22
STBA 13 410 205 30 25 22
STBA 20 410 205 30 25 22
STBA 22 410 205 30 25 22
STBA 23 410 205 30 25 22
STBA 24 410 205 30 25 22
STBA 25 410 205 30 25 22
STBA 26 410 205 30 25 22

 

Hardness
Steel Grade Rockwell hardness HRB(Mean value of three points)
STBA 12 80max
STBA 13 81max
STBA 20 85max
STBA 22 85max
STBA 23 85max
STBA 24 85max
STBA 25 85max
STBA 26 89max

 

 

JIS G 3462 STBA 12 STBA 13 STBA 20 Alloy Steel Seamless Tube For Heat Exchanger / Boiler JIS G 3462 STBA 12 STBA 13 STBA 20 Alloy Steel Seamless Tube For Heat Exchanger / Boiler

 

Boiler / Heat Exchanger Seamless Steel Tube Round Shape With Od 3 - 420mm

Looking for ideal Boiler and Heat Exchanger Tube Alloy Steel Tube Manufacturer & supplier ? We has a wide selection at great prices to help you get creative. All the Alloy Steel Seamless Pipe are quality guaranteed. We are China Origin Factory of Seamless Alloy Steel Heat Exchanger Tube. If you have any question, please feel free to contact us.

Product Categories : Seamless Alloy Steel Tubes

 

 

QUALITY CONTROL

1~ Incoming Raw Material Inspection
2~ Raw Material Segregation to avoid steel grade mix-up
3~ Heating and Hammering End for Cold Drawing
4~ Cold Drawing and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8~ Packing and Stocking.

 

100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.

 

Contact Details
TORICH INTERNATIONAL CO.,LTD

Contact Person: Jack Jiang

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