ASME SA210 Grade A1 Seamless Carbon Steel Tubes | A210 Boiler Tubes | A210 Superheater Tubes | A210 Heat Exchanger Tubes
Table of Content
- # What are ASTM A210 Grade A1 Tubes?
- # How does the ASTM A210 Grade A1 Tubes function?
- # ASTM A210 Grade A1 Tubes Specifications Table:
- # Chemical Features of ASTM A210 Grade A1 Tubes:
- # Mechanical Properties of ASTM A210 Grade A1 Tubes:
- # Types of ASTM A210 Grade A1 Tubes:
- # Equivalent Grades of ASTM A210 Grade A1 Tubes:
- # ASTM A210 Grade A1 Tubes Price in India:
- # Industrial Applications of ASTM A210 Grade A1 Tubes:
- # Why Choose Jay Steel Corporation to buy ASTM A210 Grade A1 Tubes?
- # FAQs
What are ASTM A210 Grade A1 Tubes?
How does the ASTM A210 Grade A1 Tubes function?
ASTM A210 Grade A1 Tubes Specifications Table:
- Standard: ASTM A210 – Seamless Medium-Carbon Steel Boiler and Superheater Tubes
- Grade: Grade A1
- UNS Number: K03504
- Manufacturing Process :Seamless, hot-finished or cold-drawn
- Application : Boilers, superheaters, heat exchangers, high-pressure steam lines
- Chemical Composition: Carbon: 0.27–0.35% • Manganese: 0.29–1.06% • Phosphorus: 0.035% max • Sulfur: 0.035% max • Silicon: Not specified (typically residual)
- Mechanical Properties: Tensile Strength: 415 MPa (min) • Yield Strength: 255 MPa (min) • Elongation: 30% (min for 50 mm gauge length)
- Hardness: Not specifically limited (typical Brinell 143–192 depending on size and process)
- Heat Treatment: Hot-finished tubes: No heat treatment unless required; Cold-drawn tubes: Stress-relieved or normalized as required
- Dimensions / Size Range :Outside Diameter: 12.7 mm to 127 mm (1/2" to 5") • Wall Thickness: As per customer requirements or ASME calculations
- Tolerances : OD: ±0.4 mm (typical for small sizes) • Wall Thickness: +20%, –12.5% • Length Tolerance: ±6 mm to ±12 mm depending on cut length
- Testing Requirements: Flattening Test • Flaring Test • Hardness Test • Hydrostatic Test • Nondestructive Examination (when specified)
- Surface Condition: Smooth, scale-free finish; No cracks, seams, laminations, or other defects
- End Finishing: Plain ends, beveled ends, or threaded ends per customer specification
- Product Form: Seamless boiler tubes, superheater tubes, heat-exchanger tubes
Chemical Features of ASTM A210 Grade A1 Tubes:
| Feature | Description |
| Carbon Content | Medium carbon range (0.27–0.35%) provides higher strength and heat resistance. |
| Manganese Level | Controlled Mn (0.29–1.06%) improves tensile strength and high-temperature performance. |
| Low Phosphorus | Max 0.035% ensures better ductility and reduces brittleness. |
| Low Sulfur | Max 0.035% improves weldability and reduces risk of cracking. |
| Residual Elements | Very low residuals (like silicon), ensuring clean steel with stable performance. |
| High Purity Steel | Controlled chemistry enhances reliability in boiler and superheater environments. |
| Oxidation Resistance | Balanced alloying offers good resistance to scaling at elevated temperatures. |
| High-Temperature Stability | Maintains structural and mechanical properties under steam and pressure conditions. |
Mechanical Properties of ASTM A210 Grade A1 Tubes:
| Property | Value / Requirement |
| Tensile Strength (Minimum) | 415 MPa (60,000 psi) |
| Yield Strength (Minimum) | 255 MPa (37,000 psi) |
| Elongation (Minimum) | 30% (for 50 mm gauge length) |
| Hardness | Not strictly specified; typical range: Brinell 143–192 depending on size and processing |
| Flattening Test | Required (tube must withstand flattening without cracks or flaws) |
| Flaring Test | Required (material must flare to specified expansion without cracking) |
| Hydrostatic Test | Mandatory to ensure pressure integrity |
| High-Temperature Strength | Stable mechanical performance under elevated temperatures suitable for boiler and superheater applications |
| Ductility | High ductility to allow bending, forming, and fabrication without failure |
Types of ASTM A210 Grade A1 Tubes:
ASTM A210 Grade A1 Tubes
ASME SA210 GR.A1 Seamless Tubes
Grade A1 Carbon Steel A210 Cold Finished Tubes
GR.A1 Carbon Steel SA210 Hot Finished Tubes
Equivalent Grades of ASTM A192 Tubes
| Standard | Grade / Specification | Description / Notes |
| ASTM | A192 | Seamless Carbon Steel Boiler Tubes for High-Pressure Service |
| ASME | SA192 | ASME Boiler & Pressure Vessel Code equivalent of ASTM A192 |
| DIN | St 35.8 / St 45.4 | German equivalent grades used for high-pressure boiler applications |
| EN | P235GH / P265GH | European grades for pressure purposes with similar mechanical/chemical properties |
| JIS | STB 340 / STB 410 | Japanese steel grades for boiler and heat-exchanger tubes |
| BS | 3602 Grade 320 / 3602 Grade 360 | British Standard equivalents for high-pressure steel tubes |
| ISO | ISO 9329-2 | Steel tubes for pressure purposes – seamless |
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ASTM A192 Tubes Price in India:
Industrial Applications of ASTM A192 Tubes:
Why Choose Jay Steel Corporation to buy ASTM A192 Tubes?
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FAQs
What is the use of ASTM A192 tubes?
Typically, ASTM A192 Tubes are used mainly for high-pressure boiler applications. This is specifically required for industries where steam generation and heat transfer are critical. Hence they are designed with ‘Precision’ to tolerate high temperature, high pressure, and corrosive environments
What is the difference between ASTM A192 and ASME SA192?
There are no major differences between ASTM A192 and ASME SA192. Since they refer to the same specification. The only difference is in the way they are used and certified.
Which sizes and wall thickness are available under ASTM A192?
Usually, the sizes and wall thickness that are under ASTM A192 Tubes are given below:
- Outside Diameter (OD): 6.35 mm to 165.10 mm
- Wall Thickness (WT): 1.2 mm to 12 mm
- Length: Up to 24 meters