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High Pressure Boiler Tube
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High Pressure Boiler Tube

For the manufacture of boiler water-cooled walls, coal savers, reheaters, superheaters and steam pipes
National Service Hotline:+86-0510-86160120
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Number of views:
1000
Product serial number
Specification Range:
∮6-1100×1-100mm
Use:
For the manufacture of boiler water-cooled walls, coal savers, reheaters, superheaters and steam pipes
Main Material:

GB5310(20G、15CrMoG 、12Cr2MoG、12Cr1MoVG) EN10216-2(P235GH、P265GH) ASTM/ASME A106/SA106(A、B、C) ASTM/ASME A335/SA335(P5、P 9、P 11、P 12、P22、P 91) ASTM/ASME A213/SA213(T5、T9、T11、T12、T22、T91)

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Product description
Parameters

● Standard

Chinese National Standard

GB5310-2008

American Society of Mechanical Engineers Standard

ASME SA-106  ASME SA -192MASME SA -209M
ASME SA-210M ASME SA -213MASME SA -335M
German Industrial Standard DIN17175
Japanese Industrial Standard JIS G3462

● Uses

For the manufacture of boiler water-cooled walls, coal savers, reheaters, superheaters and steam pipes

● Size deviation

Deviation of wall thickness and outside diameter of tubes supplied according to GB5310

Steel Tube Types

Tube size mm

Allowable Deviation

Common Grade

High Grade

Hot rolled tube

Outer diameter

D

≤ 159 ± 1.0% (minimum value is ± 0.5mm) ± 0.75% (minimum value is ± 0.3mm)
> 159 ± 1.0% ± 0.90%

Wall thickness

S

< 3.5 + 15% (minimum value is + 0.48mm-10%-0.32mm) ± 10% (minimum value is ± 0.2mm)
3.5~20 +15%-10% ±10%
> 20 D < 219 ± 10% ±7.5%
D ≥ 219 +12.5%-10.0% ±10%

Cold-drawn tube

Outer diameter

D

≤ 30 ± 0.20mm ± 0.15mm
> 30~50 ± 0.30mm ± 0.25mm
> 50 ±0.8% ±0.6%

Wall thickness

S

2~3 +12%-10% ±10%
> 3 ±10% ±7.5%

Wall thickness and outside diameter deviations of tubes supplied according to GB5310

 

Steel Tube Types

Tube size mm

Allowable Deviation

Common Grade

High Grade

Hot rolled tube Outer diameter D ≤ 159 ±1.0%( The smallest± 0.50mm ) ±0.75%( The smallest± 0.40mm )
> 159 ±1.0% ±0.90%

Wall thickness

s

≤ 20 +15.0%( The smallest + 0.45mm )- 12.5% - 0.35mm ) ±10%( The smallest± 0.30mm )
> 20 ±12.5% ±10%
Cold-drawn tube

Outer diameter

D

10 ~ 30 ± 0.40mm ± 0.20mm
> 30 ~ 50 ± 0.45mm ± 0.25mm
> 50 +1.0% ±0.75%

Wall thickness

s

1.5 ~ 3.0 +15%- 10% ±10%
> 3.0 +12.5%- 10% ±10%

Deviation of wall thickness and outside diameter of tubes supplied according to other standards 

Item

Standard Range Allowable deviation
Outer diameter DIN17175

Hot pipe

D ≤ 100mm ± 0.75%( Minimum ± 0.5mm)
D > 100~ 320mm ± 0.9%
Cold tube D ≤ 120mm ± 0.6%(Minimum ± 0.25mm)
ASME SA -192M 、 ASME SA -209M 、 ASME SA -210M 、 ASME SA -213M 、 ASME SA -335M 、 JIS G 3461

Hot pipe

D < 100mm +0.4~ -0.8mm
D ≥ 100~ < 160mm +0.4~ -1.2mm
D ≥ 160~ < 200mm +0.4~ -1.8mm
D ≥ 200 mm +0.4~ -2.4mm

Cold tube

D < 25mm ± 0.10 mm
D ≥ 25~ < 40mm ± 0.15 mm
D ≥ 40~ < 50mm ± 0.20 mm
D ≥ 50~ < 60mm ± 0.25 mm
D ≥ 60 ~ < 80mm ± 0.30 mm
ASME SA-106 D 10.3~ 48.3mm ± 0.40 mm
D > 48.3~ 114.3mm ± 0.79 mm
D > 114.3~ 219.1mm +1.59~ -0.79mm
D > 219.1~ 457mm +2.38~ -0.79mm
Wall thickness DIN17175 D ≤ 130mm S ≤ 2Sn +15%~-10%
S > 2Sn~4Sn +12.5%~-10%
S > 4Sn ± 9%
130 < D ≤ 320mm S ≤ 0.05D +17.5%~-12.5%
0.05D < S ≤ 0.11D ± 12.5%
S > 0.11D ± 10%
ASME SA -192M 、 ASME SA -209M 、 ASME SA -210M 、 ASME SA -213M 、 ASME SA -335M 、 JIS G 3461 Hot pipe S ≥ 2~ < 2.4mm ,且 D < 100 +40~0%
S ≥ 2.4~ < 3.8mm +35~0%
S ≥ 3.8~ < 4.6mm +33~0%
S ≥ 4.6mm +28~0%
Cold tube D < 40 S < 2mm +0.4~ 0mm
S ≥ 2mm +20~0%
D ≥ 40 +22~0%
ASME SA-106   -12.5%

Note: Sn is the standard wall thickness

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