Overview
ASTM A210 GRADE A1 / ASME SA210 GRADE A1 Tubes is highly recommended grade tubes in the market. This grade tube comes in different dimensions and sizes as per the demand of the customers.
This grade is mainly combined with Manganese (max 0.93%) and Carbon(0.27%). Besides this, its chemical composition increases its strength tensile and yield one. It's also clear to find the use of these grade tubes in many big industries. Whatever the temperature is, it's used in pressure bearing applications, high temperature, and low-pressure applications. It suits well in any of the temperatures. ASTM A210 GRADE A1 / ASME SA210 GRADE A1 Tubes even have the best corrosion resistance ability, making it the same product of all time.
Specification
ASTM A210 / A210M - 19 Standard Specification for Seamless Medium-Carbon Steel Boiler and Superheater Tubes
| Standards | ASTM A210/A210M (ASME SA210/SA210M) |
| O.D | from 3/4 to 20 inch |
| Length | max 16000mm, 5 to 25 mm |
| Wall thickness | 0.8 to 15mm. |
| Application | Seamless Carbon Steel Boiler Tubes for High-Temperature Service. |
| Packing | Bare packing/bundle packing/crate packing/wooden protection at the both sides of tubes and suitably protected for sea-worthly delivery or as requested. |
| 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 | Oiled, black painted, shot blasted, hot dipped galvanized or phosphate coating. |
Chemical Composition
| Grade | C | Si | Mn | P | S | Mo | Cr | V |
| A-1 | ≤0.27 | ≥0.10 | ≤0.93 | ≤0.035 | ≤0.035 | / | / | / |
Mechanical Properties
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation (%) | Hardness |
| A1 | ≥415 | ≥255 | ≥30 | ≤79 |
Wall Thickness Tolerance
| Seamless, Cold-Finished Tubes | ||
Outside Diameter | Wall thickness Tolerance % | |
| Over (+) | Under (-) | |
| 1 ½ (38.1) and under | 20 | 0 |
| Over 1½ (38.1) | 22 | 0 |
Hydrostatic Test Pressures
| Outside Diameter of Tube, in. [mm] | Hydrostatic Test Pressure, psi [MPa] |
| Under 1 [25.4] | 1000 [7] |
| 1 to 11⁄2 [25.4 to 38.1], excl | 1500 [10] |
| 11⁄2 to 2 [38.1 to 50.8], excl | 2000 [14] |
| 2 to 3 [50.8 to 76.2], excl | 2500 [17] |
Applications
ASTM A210 Carbon Steel Cold Finished Tubes offers high performance for industries like:
1. Agriculture
2. Manufacturing
3. Oil & Gas
which require reliable and rugged performance.
