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GB/T18984 Low-temperature Heat Exchanger Tubes
Details of GB/T18984 Low-temperature heat exchanger tubes OD: 3-420mm WT: 0.5-50mm Length: 4-12m or according to customers' actual application and production. Application: For Low Temperature Survices-45℃~-100℃ Steel Grade: 16MnDG 10MnDG 09DG 06Ni3MoDG Technology: Hot rolled,cold...
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Tianjin Wanlei Steel Pipe Co., Ltd. is one of the leading manufacturers and suppliers of gb/t18984 low-temperature heat exchanger tubes in China, featured by quality products and low price. If you're going to wholesale durable gb/t18984 low-temperature heat exchanger tubes made in China, welcome to get pricelist and free sample from our factory.
Details of GB/T18984 Low-temperature heat exchanger tubes
OD: 3-420mm
WT: 0.5-50mm
Length: 4-12m or according to customers' actual application and production.
Application: For Low Temperature Survices-45℃~-100℃
Steel Grade: 16MnDG 10MnDG 09DG 06Ni3MoDG
Technology: Hot rolled,cold drawn(roll)Normalized
| Grade | C (max) | Si | Mn(max) | P(max) | S | Ni | Mo | V |
| 16MnDG | 0.12-0.20 | 0.20-0.55 | 1.20-1.60 | 0.025 | 0.025 | - | - | - |
| 10MnDG | 0.13 | 0.17-0.37 | 1.35 | 0.025 | 0.025 | - | - | 0.07 |
| 09DG | 0.12 | 0.17-0.37 | 0.95 | 0.025 | 0.025 | - | - | 0.07 |
| 09Mn2VDG | 0.12 | 0.17-0.37 | 1.85 | 0.025 | 0.025 | - | - | 0.12 |
| 06Ni3MoDG | 0.08 | 0.17-0.37 | 0.85 | 0.025 | 0.025 | 2.5-3.7 | 0.15-0.30 | 0.05 |
mechanical properties:
| Grade | Tensile strength | Lower yield strength(Rcl/Mpa) （min） | Elongation | |
| Rm/Mpa(min) | WT≤16mm | WT＞16mm | A/% (min) | |
| 16MnDG | 490-665 | 325 | 315 | 30 |
| 10MnDG | 400 | 240 | 240 | 35 |
| 09DG | 385 | 210 | 210 | 35 |
| 09Mn2VDG | 450 | 300 | 300 | 30 |
| 06Ni3MoDG | 455 | 250 | 250 | 30 |
Product show of GB/T18984 Low-temperature heat exchanger tubes
OD:3 inch
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