Suzhou orl power engineering co ., ltd
Suzhou orl power engineering co ., ltd Specializing in the production boiler unit China suppliers
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Heat Exchanger Stainless Steel Coil Tube For Shell Steam Superheater / Boiler / Condenser
Applications: for Boilers,Superheaters, Heat-Exchangers, High-pressure Boilers, Steam Boilers Cold Condensers and High-Pressure Services, High-Temperature Services for Boiler Constructions Size range: O.D.:19-127mm W.T.:2-20mm L: Customization
Manufacture: Tubes are manufactured by seamless process and both hot finished and cold finished are applicable.
Heat treatment:
Hot finished tubes need not be heat treated.
After the final cold drawing, the cold finishing tube should be subcritically annealed, fully annealed or normalized.
Steel grade SA210 Chemical Composition & Mechanical properties.(%)
| Grade | C | Mn | P | S | Si | Tensile Strength | Yeild strength | Elongation | Hardness HRB(HB) |
| A-1 | ≤0.27% | ≤0.93% | ≤0.035% | ≤0.035% | ≥0.10% | ≥415Mpa | ≥255Mpa | ≥30 % | ≤79(143) |
| c | ≤0.35% | ≤0.93% | ≤0.035% | ≤0.035% | ≥0.10% | ≥485Mpa | ≥275Mpa | ≥30 % | ≤79(143) |
Tolerance for OD and WT
| OD (mm) | WT (mm) |
| 19-127 | 2-20 |
Mechanical Testing:
Flattening Test
Flaring Test
Flange Test
Hardness Test
Hydrostatic Test
Company Information
Suzhou ORL Power Engineering Co., Ltd.is located in Suzhou, Jiangsu Province.
ORL Power is a leading company and exporter of industrial boilers,power plant boilersand boiler parts (including steam drum, membrane waterwall panel,header,economizer, evaporator, superheater,H-fin economizer, spiral fin tube, air preheater, heat pipe, flue etc.), seamless steel tubes/pipes and ERW steel pipes.ORL provides our customer with full range of services including boiler design, fabrication, installation and commissioning, boiler maintenance, and supervision at site. Our product and service include design and manufacture industrial boilers, pressure vessels and tanks, and pressure parts for power plant boilers (600MW, or 1000MW).
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