| Type: | Seamless |
|---|---|
| Technique: | Cold Rolled |
| Material: | Alloy Steel |
| Surface Treatment: | Black |
| Usage: | Pipeline Transport, Boiler Pipe |
| Section Shape: | Round |
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier 20G seamless steel pipe is a high-quality carbon structural steel, boiler material, the carbon content of 0.17-0.24%,
tensile strength of 410Mpa, yield point 230-250Mpa
| Chemical elements | |||||||||
| Cr | Si | Mn | P | S | Cr | M | Cu | Ni | V |
| 0.17-0.24 | 0.17-0.37 | 0.70-1.00 | 0.03 | 0.03 | 0.25 | 0.15 | 0.2 | 0.25 | 0.08 |
| Properties | Data |
| Yield Strength (Mpa) | ≥415 |
| Tensile Strength (Mpa) | 240 |
| Elongation (%) | 2 |
| 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% | |
GB5310 20G boiler steel pipe Other Name
GB5310 20G boiler steel pipe, 20G boiler steel pipe, 20G boiler pipe
Delivery Condition: Annealed, Normalized, Normalized and Tempered
Inspection and Test:
Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength,Yield Strength, Elongation, Flaring, Flattening,
Bending, Hardness, Impact Test), Surface and Dimension Test,No-destructive Test, Hydrostatic Test.
Surface treatment:
Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
Suppliers with verified business licenses
Audited Supplier 
){kind=link}
){kind=link}