15Mo3 Tube For Economizer System
Economizer tube is an important part of boiler economizer, which is mainly made of seamless steel tube by bending or folding.
Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of 15mo3 tube for economizer system in China, also supports customized service with low price. Welcome to wholesale discount 15mo3 tube for economizer system for sale here from our factory. Contact us for free sample.
15Mo3 alloy pipe is generally used as the heating surface tube of low and medium pressure boilers (working pressure is generally not greater than 5.88Mpa, working temperature is below 450℃); used in high-pressure boilers (working pressure is generally above 9.8Mpa, working temperature is between 450℃ and 450℃) 650℃) heating surface pipes, economizers, superheaters, and reheating.
Size: 19mm-350mm
W.T.: 1.5mm-50mm
Shape: Round
Production Type: Cold drawn or Hot rolled
Length: Single random length/ Double random length or as customer's actual request max length is 10m
Grade: ST35.8, ST45.8, 15Mo3, 13CrMo44, 10CrMo91
Chemical composition of Seamless Tube
| C | Si | Mn | P | S | Cr | Ni | |
|---|---|---|---|---|---|---|---|
| min | 0.12 | 0.1 | 0 | 0 | 0 | 0 | 0 |
| max | 0.2 | 0.35 | 0.8 | 0.035 | 0.035 | 0 | 0 |
| Mo | Cu | Al | V | Ti | Nb | Sn | |
|---|---|---|---|---|---|---|---|
| min | 0.4 | 0 | 0 | 0 | 0 | ||
| max | 0.35 | 0 | 0 | 0 | 0 | 0 |
Mechanical properties of Alloy Seamless Pipe
| Re (MPa) | Re (ksi) | Rm (MPa) | Rm (ksi) | A (%) | |
|---|---|---|---|---|---|
| min | 270 | 450 | 0 | 22 | |
| max | - | - | 600 | - |
Outer Diameter And Wall Thickness Of 15MO3 Alloy Pipe
| Outer diameter and wall Thickness | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Execution | Size Range | OD Tolerance | Wall tolerance | ||||||
| Hot-rolled Tube | OD – 80 mmOD > 80 mmWall < 12 mmWall - 12 mm | ± 0.4 mm± 0.5 % of OD | ± 0.7 mm± (5 % x wallthickness + 0.1 mm | ||||||
| Hot-rolled peeled tube | All sizesWall < 12 mmWall - 12 mm | + 0.25/- 0 mm | ± 0.8 mm± (5 % x wall thickness+ 0.2 mm) | ||||||
| Cold Worked tubecold-rolled or cold-drawn | OD < 40 mmOD 40 - 80 mmOD > 80 Wall Thickness< 6 mm Wall Thickness6 - 8 mm Wall Thickness > 8 | + 0.30/- 0 mm*+ 0.35/- 0 mm*+ 0.40/- 0 mm* | ± 0.30 mm± 0.35 mm± 0.40 mm | ||||||
GNEE 15Mo3 Alloy Tube
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