Round Thin Wall Seamless Carbon Steel Tube Thickness 1 - 30 MM ASME SA106
It can be used for Temperature-resistant seamless steel pipe for high-pressure boiler and Seamless carbon steel pipe for high temperature sevice.
| Standards | ASTM A106 , ASME SA106 |
| Available steel grades | GradeA GradeB and GradeC |
| Diameter | 6mm to 350mm |
| Thickness | 1 to 30 mm |
| Length | 5m~25m; |
| Packing | Beveled / black painting / plastic caps / in bundles / steel strips / wooden protection |
| Inspection and Test | Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength,Elongation, Flaring, Flattening, Bending, Hardness, Impact Test),Surface and Dimension Test,Nodestructive Test, Hydrostatic Test. |
| Surface treatment | Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting |
| Delivery Condition | Annealed, Normalized, Normalized and Tempered |
Grade and Chemical Composition
Grade |
C≤ | Mn | P≤ | S≤ | Si≥ | Cr≤ | Cu≤ | Mo≤ | Ni≤ | V≤ |
| A | 0.25 | 0.27-0.93 | 0.035 | 0.035 | 0.10 | 0.40 | 0.40 | 0.15 | 0.40 | 0.08 |
| B | 0.30 | 0.29-1.06 | 0.035 | 0.035 | 0.10 | 0.40 | 0.40 | 0.15 | 0.40 | 0.08 |
| C | 0.35 | 0.29-1.06 | 0.035 | 0.035 | 0.10 | 0.40 | 0.40 | 0.15 | 0.40 | 0.08 |
Mechanical Properties
| Grade | Rm Mpa Tensile Strength | Mpa Yield Point |
Elongation | Delivery Condition |
| A | ≥330 | ≥205 | 20 | Annealed |
| B | ≥415 | ≥240 | 20 | Annealed |
| C | ≥485 | ≥275 | 20 | Annealed |
Dimension Tolerances
| Pipe Type | Pipe Sizes | Tolerances | |
| Cold Drawn | OD | ≤48.3mm | ±0.40mm |
| ≥60.3mm | ±1%mm | ||
| WT | ±12.5% | ||
Applications
For petroleum/ natural gas pipeline , for conveying water,drainage,coal gas, mineral slurry and other low-middle
pressure liquids. Also for chemical industry, building structure,heat-supply and pile driving projects.