JIS G3462 boiler tubes

JIS G3462 boiler tubes


Negotiable Min Order Quantity Unit

Required Quantity
Place of Origin
China
Brand name
SunnySteel
Payment Terms
D/P,L/C,T/T
Production method
Negotiable
Shipping / Lead Time
Negotiable / Negotiable
Keyword
jis g3462 boiler tubes, jis g3462, jis g3462 stb a12, jis g3462 stb a13
Category
Pipe Fittings , Steel Pipes

China Alloy pipe Manufactory Ltd.

Membership
BIZ
Country / Year Established
China China / 2000
Business type
Manufacturer
Verified Certificate

13

Product name JIS G3462 boiler tubes Certification -
Category Pipe Fittings
Steel Pipes
Ingredients -
Keyword jis g3462 boiler tubes , jis g3462 , jis g3462 stb a12 , jis g3462 stb a13 Unit Size -
Brand name SunnySteel Unit Weigh -
origin China Stock -
Supply type - HS code 7304

Product Information

 

JIS G3462  is a JIS standard refers to alloy steel boiler tubes and heat exchanger tubes. This steel tubes is used in carbon steel pipes for tube heat-exchange inside and outside, such as boiler water steel pipe, superheater tube, condenser tube and more.
However, it is not applicable to the steel tubes for heating furnace and steel heat exchanger tubes for low temperature service.

The size range of  JIS G3462 boiler tubes(mm):

  • Outer Dimensions: 19.05mm-168.3mm
  • Wall Thickness:2.0mm-14 mm
  • Length: max 19000mm

Application of JIS G346s seamless tubes:

  • 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:

  • JIS G3462 STB A12
  • JIS G3462 STB A13
  • JIS G3462 STB A24

Corresponding to international standards

  • ISO 9329-2:1997 Seamless steel tubes for pressure purposes-Technical delivery conditions-Part 2: Unalloyed and alloyed steels with specified elevated temperature properties.
  • ISO 9330-2:1997 Welded steel tubes for pressure purposes-Technical delivery conditions-Part 2: Electric resistance and induction welded unalloyed and alloyed steel tubes with specified elevated temperature properties.

Delivery Condition:

  • Heat treatment,Annealed, Normalized, Normalized and Tempered

Surface treatment:

  • Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
  • Painting as requested.

Chemical composition of JIS G3462 heat exchanger tubes(%):

GradeCSiMnPSCrMo
JIS G3462 STB A120.10~0.200.10~0.500.30~0.80<0 td><0 td>0.45~0.65
JIS G3462 STB A130.15~0.250.10~0.500.30~0.80<0 td><0 td>0.45~0.65
JIS G3462 STB A24<0 td><0 td>0.30~0.60<0 td><0 td>1.90~2.600.87~1.10

Mechanical behavior of JIS G3462 heat exchanger tubes (%):

Gradetensile strength kgf/mm²{N/mm²}yield strength kgf/mm²{N/mm²}
JIS G3462 STB A12<39{382}<21{206}
JIS G3462 STB A13<42{412}<21{206}
JIS G3462 STB A24<42{412}<21{206}

Tolerance on Outside Diameter in JIS G3462

O.D.TOLERANCE ON OUTSIDE DIAMETER
HOT ROLLED SEAMLESS PIPESSEAMLESS PIPES THROUGH QUENCH AND NORMALIZEDCOLD DRAWN SEAMLESS PIPES THRONG, THE HOT TREATMENT EXCEPT QUENCH AND NORMALIZEDELECTRIC WELDED PIPES EXCEPT COLD DRAWNCOLD DRAWN ELECTRIC WELDED PIPES
MM
< td>+0.4
-0.8
±0.25±0.10±0.15±0.10
<25.40±0.25±0.15±0.20±0.15
<40-50±0.25±0.20±0.25±0.20
<50.60±0.25±0.25±0.30±0.25
<60-80±0.30±0.30±0.40±0.30
<80.100±0.40±0.40-0.60,+0.40±0.40
<100-120+0.4
-1.2
-0.60,+0.40-0.60,+0.40-0.80,+0.40-0.60,+0.40
<120-160-0.80,+0.40-0.80,+0.40-1.00,+0.40-0.80,+0.40
<160-200-1.8,+0.4-1.20,+0.40-1.20,+0.40-1.20,+0.40-1.20,+0.40
<200-2.4,+0.4-1.60,+0.40-1.60,+0.40-1.60,+0.40-1.60,+0.40

Tolerance on Wall Thickness in JIS G3462

WALL
THICKNESS
(MM)
HOT ROLLED SEAMLESS PIPECOLD DRAWN SEAMLESS PIPEELECTRIC WELDED PIPE
O.D(MM)O.D(MM)O.D(MM)
< td><100< td><40< td><40
(%)
< td>---0,+0.4mm+22
-0
-0,+0.3mm+18
0
<2-2.4-0,+40-+20
-,0
+18
-0
<2.4-3.8-0,+35-0,+35
<3.8-4.6-0,+23-0,+33
<4.6-0,+28-0,+28

Tolerance on the Length in JIS G3462

ITEMTOLERANCE AN LENGTH
OD<50mm td><7m td>-0, +7mm
<=7mEvery 3m increase in length, the plus tolerance be increased by 3mm with a maximum of 15mm
OD<=50mm<7m td>-0, +10mm
<=7mEvery 3m increase in length, the plus tolerance be increased by 3mm with a maximum of 15mm
OD: Outside Diameter

 

B2B Trade

Price (FOB) Negotiable transportation -
MOQ Negotiable Leadtime Negotiable
Payment Options D/P,L/C,T/T Shipping time Negotiable

China Alloy pipe Manufactory Ltd.

Country / Year Established
China China / 2000
Membership
BIZ
Business type
Manufacturer

13

President
Sum Xu
Address
No. 273, Siping Road, Shanghai, 200081, China
Product Category
Pipe Fittings,Steel Pipes
Year Established
2000
No. of Total Employees
501-1000
Company introduction

 

Sunny Steel Enterprise Ltd., with strong support of our customers from around the world, we are a professional supplier in steel pipe and pipe fitting. 

 

We provide our customer with mainly steel pipe include Welded pipe, Seamless tubes, Alloy tube, Stainless pipes, and Abrasion resistant pipe. 

 

The fittings include Weldable Components, Forged Fittings, Valves, Flange and Accessories etc.

 

Main Markets

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