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Shanghai Vastar International Co., Ltd.

Boiler Tube, Alloy Steel Tube, steel tube manufacturer / supplier in China, offering JIS G3462 Alloy Steel Tubes for Boiler and Heat Exchanger, Stainless Steel Bar Round Square Bar, Stainless steel sheet 304 304L 316 316L and so on.

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Supplier Homepage Product Steel Tube for Pressure Purpose JIS G3462 Alloy Steel Tubes for Boiler and Heat Exchanger

JIS G3462 Alloy Steel Tubes for Boiler and Heat Exchanger

FOB Price: Get Latest Price
Min. Order: 5 Tons
Port: Shanghai, China
Production Capacity: 50000 Tons/Year
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: JIS G3462
  • Technique: Cold Drawn
  • Surface Treatment: Oiled
  • Section Shape: Round
  • Transport Package: Bundle.
  • Type: Seamless
  • Material: Carbon Steel
  • Usage: Boiler Pipe, Chemical Industry, Special Purpose
  • Trademark: Vastar
  • Origin: China
Product Description
JIS G3462 Alloy Steel Tubes for Boiler and Heat Exchanger
Standard: JIS G3462
Steel Grade: STBA12, STBA13, STBA20, STBA22,STBA23, STBA24,STBA25, STBA26
Application: boiler tube, fire-tube, superheater tube, air heater tube etc;

Chemical Composition: %
GradeCSiMnPSCrMo
STBA120.10-0.200.10-0.500.30-0.80<0.035<0.035---0.45-0.65
STBA130.15-0.250.10-0.500.30-0.80<0.035<0.035---0.45-0.65
STBA200.10-0.200.10-0.500.30-0.60<0.035<0.0350.050-0.0800.45-0.65
STBA22<0.15<0.500.30-0.60<0.035<0.0350.80-1.250.45-0.65
STBA23<0.150.50-1.000.30-0.60<0.030<0.0301.00-1.500.45-0.65
STBA24<0.15<0.500.30-0.60<0.030<0.0301.90-2.600.87-1.13
STBA25<0.15<0.500.30-0.60<0.030<0.0304.00-6.000.45-0.65
STBA26<0.150.25-1.000.30-0.60<0.030<0.0308.00-10.000.90-1.10

Mechanical Property:
GradeTensile strengthN/mm2Yield StrengthN/mm2Elongation %
OD>20mmOD<20mm, >10mm<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

Tolerance on OD:  mm
OD SizeHot-rolled seamless pipeCold-drawing seamless pipeElectric welded steel pipe, except cold-drawing onesCold-drawing electric welded steel pipe
<25+0.4
-0.8
±0.10±0.15±0.10
>25 <40±0.15±0.20±0.15
>40 <50±0.20±0.25±0.20
>50 <60±0.25±0.30±0.25
>60 <80±0.30±0.40±0.30
>80 <100±0.40+0.40   -0.60±0.40
>100 <120+0.4
-1.2
+0.40  -0.60+0.40  -0.80+0.40  -0.60
>120 <160+0.40  -0.80+0.40  -1.00+0.40  -0.80
>160 <200+0.4  -1.8+0.40  -1.20+0.40  -1.20+0.40  -1.20
>200+0.4, -2.4+0.40  -1.60+0.40  -1.60+0.40  -1.60

Tolerance on Wall Thickness:
WT Size (mm)Hot-rolled seamless pipeCold-drawing seamless pipeElectric resistance welded steel pipe
OD<100mmOD>100mmOD<40mmOD>40mmOD<40mmOD>40mm
<2------+0.40mm, 0+22, 0+0.30mm, 0+18, 0
>2  <2.4+40,  0---+20, 0+18, 0
>2.4  <3.8+35,  0+35,  0
>3.8  <4.6  
>4.6    

Tolerance on Length:
OD <50mmL<7m+7mm
L>7m<15mm
OD >50mmL<7m0, +10mm
L>7m<15mm

JIS G3462 Alloy Steel Tubes for Boiler and Heat Exchanger

 
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