Boiler tubes is tubes used for boiler systems, like boilers for civil use in life, general industrial boilers, locomotive boilers and thermal power boiler.
Sunny steel are instrumental in offering our clients with a wide range of Boiler Tubes that is used in varied industrial applications. These Boiler Tubes are known for their resistance to corrosion and tolerance for withstanding temperature variations. We also undertake customization of these tubes to meet the specific requirements of our clients.
Boiler Tubes are metal tubes located inside of boilers that heat water in order to produce steam. There are two major types of tube boilers: water-tube boilers and fire-tube boilers.
Application: For high, middle, low pressure boiler and pressure purpose
Production Standard, Grade, Steel No:
- ASTM A178 Grade A, C, D
- ASTM A192
- ASTM A210 GradeA-1, C
- EN10216-1 P195TR1/TR2, P235TR1/TR2, P265TR1/TR2
- EN10216-2 P195GH, P235GH, P265GH, TC1, TC2
- DIN17175 ST35.8, ST45.8
- DIN1629 ST37.0, ST44.0, ST50.0
- JIS G3454 STPG370, STPG410
- JIS G3461 STB340, STB410, STB440
- GB5310 20G, 15MoG, 12CrMoG, 12Cr2MoG, 15CrMoG, 12Cr1MoVG, 12Cr2MoWVTiB
- GB9948 10, 20, 12CrMo, 15CMo
- GB3087 10, 20
Delivery Condition:
Annealed, Normalized, Normalized and Tempered
Inspection and Test:
Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength,Yield Strength, Elongation, Flaring, Flattening, Bending, Hardness, Impact Test), Surface and Dimension Test,No-destructive Test, Hydrostatic Test.
Surface treatment:
- Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
- Boiler tubing is used in these industries:
- Steam Boilers
- Power Generation
- Fossil Fuel Plants
- Electric Power Plants
- Industrial Processing Plants
- Cogeneration Facilities
Seamless steel pipes (DIN / EN , ASTM A / ASME SA)
We supply all types of boiler pipes, including seamless, heat-resistant steel pipes in accordance with DIN / EN and ASTM A / ASME SA.
Overview of standards and types of boiler pipes:
| DIN 17175 | EN 10216-2 | ASTM A 335 |
| St 35.8, I + III | P 235 GH, 1 + 2 | P 5 |
| 15 Mo 3 | 16 Mo 3 | P 11 |
| 13 CrMo 44 | 13 CrMo 4-5 | P 22 |
| 10 CrMo 910 | 10 CrMo 9-10 | P 9 |
| X 10 CrMo VNb 9-1 | X 10 CrMo VNb 9-1 | P 91 |
| X 20 CrMo V 12-1 | X 20 CrMo V 11-1 |
You are looking for boiler pipes with different specifications?
Carbon steel for water distribution for temperature 0° – 100°C
| EN – DIN | WNr | AISI/ Tradename | ASTM – UNS | Pipe seamless |
Pipe welded |
| P235TR1 | 1.0254 | – | – | A/ SA53B | A/ SA53B |
| EN10216-1 | EN10217-1 | ||||
Carbon steel for temperature -20° – 400°C for pressure application
| EN – DIN | WNr | AISI/ Tradename | ASTM – UNS | Pipe seamless |
Pipe welded |
| P235GH | 1.0345 | – | – | A/ SA106 Gr B/ A | A/ SA672 B65 |
| EN10216-2 | EN10217-2/ -5 | ||||
| P265GH | 1.0425 | – | – | A/ SA106 Gr C/ A | A/ SA672 BB70 |
| EN10216-2 | EN10217-2/ -5 | ||||
| P355N/ NH | 1.0562/ 1.0565 | – | – | API 5L X52 | API 5L X52 |
| EN10216-3 | EN10217-3 | ||||
| P460N/ NH | 1.8905/ 1.8935 | – | – | API 5L X65 | API 5L X65 |
| EN10216-3 | EN10217-3 |
Low Alloy steel and Alloy Steel for temperature 0° to 650°C for pressure application
| EN – DIN | WNr | AISI/ Tradename | ASTM – UNS | Pipe seamless |
Pipe welded |
| 16Mo3 | 1.5415 | – | – | A/ SA335 P1 | A/ SA691 1CR |
| EN10216-2 | EN10217-5 | ||||
| X11CrMo5-1 | 1.7362 | – | – | A/ SA335 P5 | A/ SA691 5CR |
| EN10216-2 | EN10217-5 | ||||
| X11CrMo9-1 | 1.7386 | – | – | A/ SA335 P9 | A/ SA691 9CR |
| EN10216-2 | EN10217-5 | ||||
| 13CrMo4-5 | 1.7335 | – | – | A/ SA335 P11 | A/ SA691 1 1/4CR |
| EN10216-2 | EN10217-5 | ||||
| 10CrMo9-10 | 1.7380 | – | – | A/ SA335 P22 | A/ SA691 2 1/4CR |
| EN10216-2 | EN10217-5 | ||||
| X10CrMoVNb9-1 | 1.4903 | – | – | A/ SA335 P91 | A/ SA691 91CR |
| EN10216-2 | EN10217-5 | ||||
| X10CrWMoVNb9-2 | 1.4901 | – | – | A/ SA335 P92 | A/ SA691 92CR |
| EN10216-2 | EN10217-5 |
Low temperature carbon steel for pressure purpose and low temp up to -50°C
| EN – DIN | WNr | AISI/ Tradename | ASTM – UNS | Pipe seamless |
Pipe welded |
| P215NL | 1.0451 | – | – | A/ SA333 Gr1/ Gr6 | A/ SA671CC60/70 |
| EN10216-4 | EN10217-4 | ||||
| P255QL | 1.0452 | – | – | A/ SA333 Gr1/ Gr6 | A/ SA671CC60/70 |
| EN10216-4 | EN10217-4 | ||||
| P265NL | 1.0453 | – | – | A/ SA333 Gr1/ Gr6 | A/ SA671CC60/70 |
| EN10216-4 | EN10217-4 | ||||
| P355NL1/ NL2 | 1.0566 | – | – | A/ SA333 Gr6 | A/ SA671CC60/70 A/ SA333 Gr6 |
| EN10216-3 | EN10217-3 |
Low temperature Nickel Steel for pressure purpose and low temp up to -196°C
| EN – DIN | WNr | AISI/ Tradename | ASTM – UNS | Pipe seamless |
Pipe welded |
| X10Ni9/ X8Ni9 | 1.5682/ 1.5662 | – | – | A/ SA333 Gr. 8 | A/ SA671C100/ CH100 |
| EN10216-4 | EN10217-4 | ||||
| 12Ni14 | 1.5637 | – | – | A/ SA333 Gr3 | A/ SA671CF66 |
| EN10216-4 | EN10217-4 | ||||
Boiler Tubes are metal tubes located inside of boilers that heat water in order to produce steam. There are two major types of tube boilers: water-tube boilers and fire-tube boilers. In water-tube boilers, water circulates inside the tubes and is heated externally by hot gases generated by the furnace.
Length [m] for sizes [mm]
5 – 6 OD < 60.3 5 – 6 or 10 – 14 OD => 60.3 and WT < 7.1 5 – 6 OD => 60.3 and WT => 7.1
We also offer quick turnaround for several seamless grades so if you have an outage and need replacement tubing quick, we are your solution provider.