Heat exchanger tubes
Specification:21.3-711*0.5-55
O.D:21.3mm-711mm
wall thickness:0.5-55mm
Length:2M-16M
Heat exchanger tubes enjoyed a high reputation throughout the world.It is widely exported to many countries.
Specification:21.3-711*0.5-55
O.D:21.3mm-711mm
wall thickness:0.5-55mm
Length:2M-16M
Standard:GB,ASTM,ASME,API,JIS,DIN
Materiall:20#,45#,20G,A53A/B,A106A/B/C,SA213T12/22,API5L
High, Medium and Low Pressure Seamless Steel Tubes Widely used in boiler industry, metallurgy, chemical engineering, energy industries, etc.
|
Material |
Steel tube Classification |
Chemical Composition (Smelt analysis)% |
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|
C |
Si |
Min |
P |
S |
Cr |
Mo |
V |
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|
Max |
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|
St 35.8 |
1,111 |
<0.17 |
0.10-0.35 |
0.40-0.80 |
0.035 |
0.035 |
- |
- |
- |
|
|
St 45.8 |
1,111 |
<0.21 |
0.10-0.35 |
0.40-1.20 |
0.035 |
0.035 |
- |
- |
- |
|
|
15Mo3 |
1,111 |
0.12-0.20 |
0.10-0.35 |
0.40-0.80 |
0.035 |
0.035 |
- |
0.25-0.35 |
- |
|
|
13CrMo44 |
111 |
0.10-0.18 |
0.10-0.35 |
0.40-0.70 |
0.035 |
0.035 |
0.70-1.10 |
0.45-0.65 |
- |
|
|
10CrMo910 |
111 |
0.08-0.15 |
<0.50 |
0.40-0.70 |
0.035 |
0.035 |
2.00-2.50 |
0.90-1.20 |
- |
|
|
10 |
Medium-Low Pres-sure Boiler Tube |
0.07-0.14 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
0.15 |
- |
- |
|
|
20 |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
0.25 |
- |
- |
||
|
20G |
High Pressure Boiler tube |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
0.30 |
- |
- |
|
|
|
|
|
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|
|
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|
|
|
Mechanical Properties |
Applicable standard
|
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|
Tensile Strength (Mpa) |
The Yield point for following Tubes with vortex wall thickness(mp) |
Percentage dongcon5% Lon5Do5 (Min) |
Impact Toughness value (DVM-Sample) DVM J (Min) |
||
|
<16 |
>16 |
||||
|
(Mpa Min) |
|||||
|
300-480 |
23% |
225 |
25 |
48 |
DN 17575+B6 |
|
410-500 |
23% |
245 |
21 |
41 |
|
|
450-600 |
27% |
270 |
22 |
48 |
|
|
440-500 |
29% |
290 |
22 |
48 |
|
|
450-600 |
28% |
200 |
20 |
48 |
|
|
300-490 |
19% |
138 |
24 |
- |
GB3087 |
|
350-586 |
24% |
226 |
20 |
- |
GB3087 |
|
412-549 |
24% |
245 |
24 |
39 |
GB5310 |
