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  • Company Name : Heilongjiang J & X Co., Ltd.
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Graphite tube 1.Straightness:1.5-2.5mm/m 2.wall thickness:+/-0.5-1.2

Graphite tube 1.Straightness:1.5-2.5mm/m 2.wall thickness:+/-0.5-1.2
Product Detailed
Related Categories:Other Graphite Products
1. Extruded graphite tube used in heat-exchanger. 2. Size: dia22/32, 25/38, 30/42 and so on, the length is as the requirement.

Nominal

Dia.(mm)

Inner

Dia.(mm)

Outside

Dia.(mm)

Wall Thickness

mm

Wall Thickness

Tolerance  (mm)

Straightness(mm/m)

Design Pressure(MPa)

22

22

32

5

±0.5

≤2.5

≤0.3

25

25

38

6.5

±0.5

≤2.5

≤0.3

30

30

43

6.5

±0.5

≤2.5

≤0.3

36

36

50

7

±0.5

≤2.5

≤0.3

40

40

55

7.5

±0.5

≤2.0

≤0.2

50

50

67

8.5

±0.5

≤2.0

≤0.2

65

65

85

10

±1.0

≤2.0

≤0.2

75

75

100

12.5

±1.0

≤2.0

≤0.2

102

102

133

15.5

±1.0

≤2.0

≤0.2

127

127

159

16

±1.0

≤2.0

≤0.2

152

152

190

19

±1.0

≤1.5

≤0.2

203

203

254

25.5

±1.2

≤1.5

≤0.2

254

254

330

38

±1.2

≤1.5

≤0.2

 

 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

Technical Data    

Property

Unit

YFSG1

YFSG2

JSSG1

JSSG2

Bulk Density

kg/m³

1.8X10³

1.8X10³

1.9X10³

1.74X10³

Thermal Conductivity

W/(m·k)

31.4-40.7

31.4-40.7

104.6-116

49

C.L.E

1/ºc(129ºc)

24.7x10-6

8.2x10-6

2.4x10-6

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Tensile Strength

MPa

≥19.6

≥16.7

≥15.7

≥30

Compressive Strength

MPa

≥88.2

≥73.5

≥75.0

≥90

Bending Strength

MPa

≥55.0 dia32/dia22mm

≥50.0 dia32/dia22mm

≥50.0 dia32/dia22mm

≥45 dia32/dia22mm

≥35.5  (dia50mm/dia36mm)

≥45 dia50/dia36mm

Water Pressure Blasting Strength

MPa

7 (dia32mm/dia22mmx300mm)                       6 (dia50mm/dia36mmx300mm)

9-10 (according to diameter)

Antipermeability

take dia32mm/dia22mmx100mm sample do water pressure test in 1MPa in 10minute, impervious

The thermal conductivity value of resbon graphite tube is only for reference.

Graphite tube 1.Straightness:1.5-2.5mm/m 2.wall thickness:+/-0.5-1.2



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