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GB/T5310 Seamless Steel Tubes For High Pressure Boilers
GB/T5310 seamless steel tubes for high pressure boilers，GB/T5310 steel pipe，GB/T5310 seamless steel tubes，pipes for high pressure boiler.
Description
Tianjin Wanlei Steel Pipe Co., Ltd. is one of the leading manufacturers and suppliers of gb/t5310 seamless steel tubes for high pressure boilers in China, featured by quality products and low price. If you're going to wholesale durable gb/t5310 seamless steel tubes for high pressure boilers made in China, welcome to get pricelist and free sample from our factory.
Description
GB/T5310 seamless steel tubes for high pressure boilers
Seamless steel tube used in high pressure boiler is a kind of boiler tube, which has strict requirements on the materials and technology used in making steel tube. Because high-pressure boiler tube is often used in high temperature and high pressure conditions, steel pipe in high temperature flue gas and water vapor, oxidation and corrosion will occur. Therefore, the steel pipe is required to have high durable strength, high oxidation resistance and corrosion resistance, and good organizational stability.
Specification
Product name：Seamless steel pipe for high pressure boiler
Brand：WL
Place of origin：China
Standard：GB/T5310
Grade：20G, 20MnG, 15MoG, 15CrMoG, 12Cr2MoG, 12Cr1MoVG
OD：21.3 mm - 609.6 mm
WT：1 mm - 30 mm
Unit length：4 m - 12 m or as per customers’ request
Ends：plain end
Section shape：round
Invoicing：by theoretical weight
Chemical composition
| GB/T5310 | Chemical composition(%) | ||||||
| Grade | C | Si | Mn | Cr | Mo | P | S |
| 20G | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | 0.025 | 0.015 | ||
| 20MnG | 0.17-0.23 | 0.17-0.37 | 0.70-1.00 | 0.025 | 0.015 | ||
| 15MoG | 0.12-0.20 | 0.17-0.37 | 0.70-1.00 | 0.025 | 0.015 | ||
| 15CrMoG | 0.12-0.18 | 0.17-0.37 | 0.40-0.70 | 0.80-1.10 | 0.40-0.55 | 0.025 | 0.015 |
| 12Cr2MoG | 0.08-0.15 | ≤0.50 | 0.40-0.60 | 2.00-2.50 | 0.90-1.13 | 0.025 | 0.015 |
| 12Cr1MoVG | 0.08-0.15 | 0.17-0.37 | 0.40-0.70 | 0.90-1.20 | 0.25-0.35 | 0.025 | 0.010 |
Mechanical properties
| GB/T5310 | Mechanical properties | |||
| Grade | Tensile Strength （MPa） | Yield strength （MPa） | Elongation (%) | |
| lengthways | crosswise | |||
| 20G | 410-550 | ≥245 | ≥24 | ≥22 |
| 20MnG | 415-560 | ≥240 | ≥22 | ≥20 |
| 15MoG | 450-600 | ≥270 | ≥22 | ≥20 |
| 15CrMoG | 440-640 | ≥295 | ≥21 | ≥19 |
| 12Cr2MoG | 450-600 | ≥280 | ≥22 | ≥20 |
| 12Cr1MoVG | 470-640 | ≥255 | ≥21 | ≥19 |
Application
seamless steel tubes for high pressure boilers is mainly used to manufacture superheater tube, reheater tube, conduit pipe, main steam pipe and so on of high pressure and ultra high pressure boiler .Used for high pressure boiler (P>9.8MPa.450℃<T<650℃) of heating surface pipe, box, economizer, superheater, heater, etc.
Packing and Transportation
Packing：in bundles,varnish painting, plain end or bevel end,pipe ends with plastic caps.
Transportation：container ship，bulk ship，railway transportation.
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