1. Standard
InternationalStandard：API 5LD2. Chemical Composition
SA210-A1 Chemical Composition，%
| Elements | C | Si | Mn | P | S | Cr |
| min | 0.1 | |||||
| max | 0.27 | 0.93 | 0.035 | 0.035 | ||
| Actual value | 0.14 | 0.36 | 0.53 | 0.018 | 0.004 | 0.23 |
TP304L Chemical Composition，%
| Elements | C | Si | Mn | P | S | Cr | Ni |
| min | 18.0 | 8.0 | |||||
| max | 0.035 | 1.00 | 2.00 | 0.045 | 0.030 | 20.0 | 12.0 |
| Actual value | 0.026 | 0.41 | 1.06 | 0.027 | 0.0024 | 18.43 | 10.75 |
3. Mechanical Properties
SA210-A1
| Mechanical Properties |
Tensile Strength MPa |
Yield Strength MPa |
Hardness HBW |
Elongation （longitudinal） % |
| Min | 415 | 255 | 30 | |
| Max） | 143 | |||
| Actual value | 496 | 317 | 132 | 32 |
4. Typical Size
| Size | Outer Diameter | Total Thickness | Outer Layer Thickness | |||||||
| Φ63.5*（1.65+4.88） | ±0.3mm | +22%，-0% | ±0.4mm | |||||||
| Actual Value | 63.78 | 63.76 | 6.68 | 6.66 | 6.62 | 6.68 | 1.92 | 1.74 | 1.84 | 1.90 |