GB 5310 20G Seamless Steel Pipe
GB/5310 20G steel pipe has a certain strength at room temperature and medium and high temperatures, has low carbon content, good plasticity and toughness, and has good cold and hot forming and welding properties.
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GB 5310 Seamless Steel Pipe
GB 5310 20G Seamless Pipe
GB 5310 20G high-pressure seamless boiler tube is a seamless steel tube or pipe designed and manufactured in accordance with Chinese national standard GB/T 5310-2017. 20G is a commonly used material for manufacturing boiler tubes because of its excellent high-temperature mechanical properties and corrosion resistance.
20G Seamless Steel Pipe Description
| Product Name | GB 5310 20G Steel Pipe |
| Product material | Carbon steel, Mo Steel, Cr-Mo Steel, Cr- Mo-W Steel |
| Standard | ASME SA-106/ ASTM A 106M , ASME SA-192M/ ASTE A192M . ASME SA-209M. ASME SA-210M.ASME SA334/ASTM A334,ASME SA335/ASTM A335.EN 10216-2. DIN 17175, JIS G 3456. JIS G 3461. JIS G 3462 |
| Grade | SA179,SA192,SA-106B, SA-192, SA-210A1, SA-106C, SA-210C. SA-209T1, SA-213, T11,T9.T5,T2,P11,P12,P22,P91,P122 |
| Usage | For manufacture wall panel, economizer, reheater,superheater and steam pipeline of boilers |
| Type | SMLS/ Seamless |
| Technique | Cold Finished(Cold drawn/COld rolling),Hot Finishes(Hot rolled) |
| Ends | PE(Plain ends), BE(Beveled ends) |
| Surface | Black paint, Varnished,PE coated,Galvanized,hdpe,Customed |
| Packing | Seaworthy packed in bundle with steel belt/Customed |
| MOQ | 5Tons/Size |
| Trade terms | FOB, CFR, CIF, EXW, etc. |
| Payment | T/T, L/C, etc. |
| Delivery time | 20 ~ 30 days after receipt of deposit, ASAP |
| Loading Port |
QingDao, TianJin, ShangHai port, China |
GB 5310 20G Seamless Carbon Steel Pipe
Chemical Compositions(%) of GB5310 20G：
| Chemical elements | Data |
| Carbon | 0.17-0.24 |
| Silicon | 0.17-0.37 |
| Manganese | 0.70-1.00 |
| Phosphorus(max) | 0.03 |
| Sulfur(max) | 0.03 |
| Chromium(max) | 0.25 |
| Molybdenum(max) | 0.15 |
| Cuprum(max) | 0.2 |
| Nickel(max) | 0.25 |
| Vanadium(max) | 0.08 |
Mechanical Properties of GB5310 20G：
| Properties | Data |
| Yield Strength (Mpa) | ≥415 |
| Tensile Strength (Mpa) | 240 |
| Elongation (%) | 22 |
The W.T. tolerance of GB5310 20G：
| W.T.(S) | Tolerance of W.T. | |
| <3.5 | +15%(+0.48mm min) | |
| -10%(+0.32mm min) | ||
| 3.5-20 | +15%,-10% | |
| >20 | D<219 | ±10% |
| D≥219 | +12.5%,-10% | |
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