| Alloy Or Not: | Non-alloy |
|---|---|
| Technique: | Cold Drawn |
| Secondary Or Not: | Non-secondary |
| Place of Origin: | China (Mainland) |
| Section Shape: | Round |
| Outer Diameter: | 5-420 mm |
| Thickness: | 0.5-50 mm |
| Manufacture: | seamless ,welded |
| Steel Grade: | 360 440 243 Etc |
Quick Details
Specifications
BS 3059 Gr 360 Carbon Steel Heat Exchanger Tubes for Steel Boiler and Superheater Tubes
Product Name:BS 3059 Steel boiler and superheater tubes
Carbon ,alloy and austenitic stainless steel tubes with specified elevated temperature properties
Size
Diameter 5-420mm Wall thickness 0.5-50mm Length Upon request
Application : for boiler and superheater
Produce method: seamless ,welded
Delivery condition: hot finished, cold finished
|
CHEMICAL COMPOSITION % max |
|||||||||
|
Steel Grade |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
others |
|
360 |
0.17 |
0.10-0.35 |
0.40-0.80 |
0.035 |
0.035 |
- |
- |
- |
- |
|
440 |
0.12-0.18 |
0.10-0.35 |
0.90-1.20 |
0.035 |
0.035 |
- |
- |
- |
- |
|
243 |
0.12-0.20 |
0.10-0.35 |
0.40-0.80 |
0.035 |
0.035 |
- |
0.25-0.35 |
- |
Al 0.012 |
|
620-460 |
0.10-0.15 |
0.10-0.35 |
0.4-0.7 |
0.03 |
0.03 |
0.7-1.10 |
0.45-0.65 |
- |
Al 0.020 |
|
622-490 |
0.08-0.15 |
0.5 |
0.4-0.7 |
0.03 |
0.03 |
2.00-2.50 |
0.90-1.20 |
- |
Al 0.020 |
|
629-470 |
0.15 |
0.25-1.00 |
0.30-0.60 |
0.03 |
0.03 |
8.00-10.00 |
0.90-1.10 |
- |
Al 0.020 |
|
629-590 |
|||||||||
|
762 |
0.17-0.23 |
0.50 |
1.00 |
0.03 |
0.03 |
10.00-12.50 |
0.80-1.20 |
0.30-0.80 |
vanadium 0.25-0.35 |
|
Note:243,620-460,622-490,629-470,629-590 the following remaind elements shall not exceed Ni,0.30%;Cu ,0.25%;Sn,0.03% |
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|
MECHANICAL PROPERTIES min |
|||
|
Steel Grade |
Tensile Strength Mpa |
Yeild point or proof stress Mpa |
Elongation % |
|
360 |
360-500 |
235 |
24 |
|
440 |
440-580 |
245 |
21 |
|
243 |
480-630 |
275 |
22 |
|
620-460 |
460-610 |
180 |
22 |
|
622-490 |
490-640 |
275 |
20 |
|
629-470 |
470-620 |
185 |
20 |
|
629-590 |
590-740 |
400 |
18 |
|
762 |
720-870 |
470 |
15 |
|
Delivery condition |
steel grade |
Final supply condition |
Temperature of heat treatment |
|
360,440(seamless hot finished) |
hot finished |
- |
|
|
360,440(seamless cold finished) |
normalized |
880-940 |
|
|
243(all manufacturing condition) |
normalized |
900-960 |
|
|
622-490(seamless) |
normalized+tempered |
normalized900-960 |
|
|
629-470(seamless) |
annealed |
850-950 |
|
|
629-590(seamless) |
normalized+tempered |
normalized900-1000 |
|
|
762(seamless) |
normalized+tempered |
normalized1020-1070 |