Cangzhou Zhongrun Steel Tube Co.,Ltd dedicated to serve you.
We always provide highest quality seamless pipe/tube and best service.
I am looking forward to hearing from you,and welcome to our country.
The following is the standard data, we will do our best to follow the customers' requirements and the agreement to perform.
| Production | ASTM A53 seamless steel pipe |
| Process of manufacture | Cold drawing or Hot rolled |
| Type of length | Fixed ruler and Double ruler |
| Type of pipe end | plain end square cut, or plain end beveled |
| Inspection and Test | Tensile test,Hydrostatic test,Non-destructive inspection and as agreed |
Chemical composition
| Steel grade | C(%)≤ | Mn(%)≤ | P(%)≤ | S(%)≤ | Cr(%)≤ | Cu(%)≥ | Mo(%)≤ | Ni(%)≤ | V(%)≤ |
| A | 0.25 | 0.95 | 0.05 | 0.045 | 0.4 | 0.4 | 0.15 | 0.4 | 0.08 |
| B | 0.3 | 1.2 | 0.05 | 0.045 | 0.4 | 0.4 | 0.15 | 0.4 | 0.08 |
OD and WT tolerance
| Pipe Sizes | Tolerances(mm) | |
| OD,D(mm) | ≤48.3 | ±0.4 |
| ≥48.3 | ±1%D | |
| WT,t(mm) | ±12.5%t | |
Tensile properties and Delivery condition
| Steel grade | Yield strength (Mpa) | Tensile strength(Mpa) | Elongation(%) | Delivery Condition |
| A | ≥205 | ≥330 | 20 | Annealed |
| B | ≥240 | ≥415 | 20 | Annealed |
SMLS Pipes Manufacturing Process
External corrosion process
