Excellence of our steel pipes for solar collectors highlights CSM core values and philosophy. We constantly invest in equipment, research and skills for renewable sector representing the future of the world's power generation in excellence of solar collectors steel tubes.
Following high international standards, we supply demanding renewable energy sector with our connectors, headers and coils resisting corrosion and offering extended durability making our steel pipes for solar collectors a reliable part of any sustainable energy planning.
Our products come in coiled and bar formats with the variety of thicknesses and diameters featuring high nickel and AISI alloys for extended durability. Our range of expertise includes all kinds of coiled steel tubes for solar collectors including heating coils, headers and connections to create domestic and commercial heating networks.
| Thickness (inch) | ||||||||||
| Diameter (inch) | 0,012 | 0,016 | 0,020 | 0,024 | 0,028 | 0,031 | 0,035 | 0,039 | 0,047 | 0,059 |
| 0,157 |  |
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| 0,197 | |
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| 0,236 | |
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| 0,250 | |
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| 0,275 | |
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| 0,283 | |
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| 0,295 | |
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| 0,315 | |
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| 0,335 | |
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| 0,354 | |
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| 0,375 | |
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| 0,394 | |
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| 0,413 | |
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| 0,433 | |
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| 0,453 | |
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| 0,465 | |
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| 0,472 | |
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| 0,500 | |
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| 0,512 | |
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| 0,524 | |
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| 0,543 | |
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| 0,551 | |
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| 0,571 | |
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| 0,583 | |
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| 0,591 | |
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| 0,610 | |
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| 0,625 | |
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| 0,630 | |
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| 0,669 | |
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| 0,685 | |
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| 0,709 | |
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| 0,750 | |
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| 0,787 | |
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| 0,827 | |
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| 0,839 | |
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| 0,866 | |
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| 0,875 | |
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| 0,906 | |
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| 0,945 | |
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| 0,984 | |
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| 1,000 | |
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| 1,059 | |
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| 1,102 | |
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| Diameter (inch) | 0,012 | 0,016 | 0,020 | 0,024 | 0,028 | 0,031 | 0,035 | 0,039 | 0,047 | 0,059 |
| Thickness (inch) | ||||||||||
| Chemical Composition | |||||||||
| C\% <= | Si \% <= | Mn \% <= | P \% max | S \% max | Cr \% min - max | Ni min - max | Others | ||
| AISI 304 | EN 1.4301 | 0,07 | 1,00 | 2,00 | 0,045 | 0,015 | 17-19,5 | 8-10,5 | |
| AISI 304L | EN 1.4307 | 0,03 | 1,00 | 2,00 | 0,045 | 0,015 | 17,5-19,5 | 8-10 | |
| AISI 321 | EN 1.4541 | 0,08 | 1,00 | 2,00 | 0,045 | 0,030 | 17-19 | 9-12 | Ti min.= 5 x \%C |
| AISI 316L | EN 1.4404 | 0,03 | 1,00 | 2,00 | 0,045 | 0,030 | 16-18,5 | 10-13 | Mo = 2-2,5 |
| AISI 444 | EN 1.4521 | 0,02 | 0,4 | 0,4 | 17,7 | Mo = 21 Ti+Nb = 0,45 |
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| AISI 316SL | EN 1.4435 | 0,03 | 1,00 | 2,00 | 0,045 | 0,030 | 17-19 | 12,5-15 | Mo = 2,5-3 |
| AISI 316Ti | EN 1.4571 | 0,08 | 1,00 | 2,00 | 0,045 | 0,030 | 16,5-18,5 | 10,5-13,5 | Mo = 2-2,5 Ti min = 5x\%C |
| AISI 310S | EN 1.4845 | 0,08 | 1,50 | 2,00 | 0,045 | 0,030 | 24-26 | 19-22 | |
| AISI 309 | EN 1.4828 | 0,04 | 1,50÷2,50 | 2,00 | 0,045 | 0,030 | 19-21 | 11-13 | |
| Alloy 800 | EN 1.4876 | 0,04÷0,08 | 0,02÷0,06 | 0,50÷1,00 | 0,015 | 0,010 | 19-21,5 | 30-32 | Al\% = 0,2-0,4 Ti\% = 0,2-0,5 |
| Alloy 840 | EN 1.4847 | 0,05 | 1,00 | 1,00 | 0,015 | 0,005 | 19-22 | 19-22 | Al\% = 0,6 max Ti\% = 0,6 max |
| Alloy 825 | EN 2.4858 | 0,025 | 0,50 | 1,00 | 0,020 | 0,010 | 19,5-23,5 | 38-46 | Al\% = 0,2 max Ti\% = 0,6-1,2 max |
| Alloy 600 | EN 2.4816 | 0,05÷0,08 | 0,50 | 1,00 | 0,015 | 0,015 | 14-17 | min 72 | Al\% = 0,3 max Ti\% = 0,3 max |
| Alloy 601 | EN 2.4851 | 0,03÷0,08 | 0,50 | 0,80 | 0,020 | 0,01 | 22-24 | 58-63 | Al\% = 1,1÷1,6 Ti\% = 0,1÷0,4 |
We are able to provide HEAT TREATED tube, the treatment is made with an "in line" induction hoven working at 1050°C, working in a protect atmophere above the re-crystallization temperature.
