| Customization: | Available |
|---|---|
| Type: | Seamless |
| Technique: | Cold Drawn |
|
Still deciding? Get samples of US$ 10/Piece
Request Sample
|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
SA210 A1 Boiler Tubes Wall Thickness Tolerance
| Seamless, Cold-Finished Tubes | ||
| Outside Diameter In. (mm) |
Wall thickness Tolerance % | |
| Over (+) | Under (-) | |
| 1 ½ (38.1) and under | 20 | 0 |
| Over 1½ (38.1) | 22 | 0 |
| Cold-Finished Seamless Tubes | ||
| Outside Diameter In. (mm) |
Permissible Variations In. (mm) | |
| Over (+) | Under (-) | |
| Under 1 (25.4) | 0.004 (0.1) | 0.004 (0.1) |
| 1 to 1 ½ (25.4 to 38.1), Incl | 0.006 (0.15) | 0.006 (0.15) |
| Over 11⁄2 to 2 (38.1 to 50.8), Excl | 0.008 (0.2) | 0.008 (0.2) |
| 2 to 21⁄2 (50.8 to 63.5), Excl | 0.010 (0.25) | 0.010 (0.25) |
| 21⁄2 to 3 (63.5 to 76.2), Excl | 0.012 (0.3) | 0.012 (0.3) |
| Cold-Finished Seamless Tubes | |||
| Outside Diameter, In.(mm) |
Cut Length,in.(mm) | ||
| Over (+) | Under (-) | ||
| All Sizes | 3⁄16 [5] | 0 [0] | |
| Under 2 (50.8) | 1⁄8 [3] | 0 [0] | |
| 2 (50.8) and over | 3⁄16 [5] | 0 [0] | |
| Under 2 (50.8) | 1⁄8 [3] | 0 [0] | |
| 2 (50.8) and over | 3⁄16 [5] | 0 [0] | |
| These permissible variations in length apply to tubes before bending. They apply to cut lengths up to and including 24 ft [7.3 m]. For lengths greater than 24 ft [7.3 m], the above over-tolerances shall be increased by 1⁄8 in. [3 mm] for each 10 ft [3 m] or fraction thereof over 24 ft or 1⁄2 in. [13 mm], whichever is the lesser | |||
SA210 A1 Chemical Compositions
| Chemical Components (%) | ||||||||
| Grade | C | Si | Mn | P | S | Mo | Cr | V |
| A-1 | ≤0.27 | ≥0.10 | ≤0.93 | ≤0.035 | ≤0.035 | / | / | / |
SA210 A1 Mechanical Tests Required
| Mechanical Properties | ||||
| Grade | Tensile Strength (Mpa) |
Yield Strength (Mpa) |
Elongation (%) |
Hardness (HRB) |
| A-1 | ≥415 | ≥255 | ≥30 | ≤79 |
){kind=link}