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{"title":"Carbon steel seamless Boiler Tube, cold-drawn tube, ASTM A179","imgUrl":"https:\/\/img.chinax.com\/nimg\/11\/26\/a1ebdd66ba563086f9426395d6e6-200x200-1\/carbon_steel_seamless_boiler_tube_2c_cold_drawn_tube_2c_astm_a179.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"A179","Certification":"ISO9001-2008, API 5L, API 5CT","Place of Origin":"CHINA"}}
{"title":"Alloy Steel Seamless Tube ASTM A209 T1, T1A, T1B, ASTM A210 A1, DIN 1629 St52.4,","imgUrl":"https:\/\/img.chinax.com\/nimg\/e5\/e2\/0257457aa401515f383a206403fb-200x200-1\/alloy_steel_seamless_tube_astm_a209_t1_2c_t1a_2c_t1b_2c_astm_a210_a1_2c_din_1629_st52_4_2c_st52_2c_oild_surface_2c_plain_end_2c_m_.jpg","attrs":{"Place of Origin":"China, USA, Korea, UE","Brand Name":"YUHONG SPECIAL STEEL","Certification":"ISO9001-2008, API 5L, API 5CT, PED, AD-2000, EN10204-3.1B","Minimum Order Quantity":"5 tons"}}
ASTM A210 Gr. A1 Carbon Steel Seamless Boiler Tube For High Pressure Conditions
1. General Description
Standard: ASTM A210/A210M
Grade: Gr. A1
Type: Seamless boiler tube
Material: Carbon steel
Applications: High-pressure boiler systems, superheaters, and heat exchanger tubes.
ASTM A210 Gr. A1 is primarily used for seamless medium-carbon steel boiler tubes that must be able to endure high temperatures and pressures in demanding environments.
2. Chemical Composition
Element
Content (%)
Carbon (C)
0.27 max
Manganese (Mn)
0.93 max
Phosphorus (P)
0.035 max
Sulfur (S)
0.035 max
Silicon (Si)
Not specified but typically 0.10–0.35
3. Mechanical Properties
Property
Value
Tensile Strength
415 MPa (60,000 psi) min
Yield Strength
255 MPa (37,000 psi) min
Elongation (in 50 mm)
30% min
4. Manufacturing Process
The ASTM A210 Gr. A1 tubes are produced through a seamless process, which involves:
Hot Rolling: The steel is heated and formed into a hollow tube.
Cold Drawing (if required): To achieve tighter dimensional tolerances and a smoother surface finish.
Heat Treatment (optional): Tubes may undergo normalization or stress relieving to improve mechanical properties and resistance to thermal stress.
5. Testing and Quality Assurance
To ensure safety and reliability, ASTM A210 Gr. A1 tubes undergo rigorous testing as per the standard. Common tests include:
Hydrostatic Testing: Ensures the tube can handle specified pressures without leaking.
Dimensional Inspection: Verifies outer diameter, wall thickness, and length.
Non-Destructive Testing (NDT):
Ultrasonic Testing (UT)
Eddy Current Testing (ECT)
Mechanical Testing:
Tensile Testing
Flattening Test
Flaring/Bending Test
Chemical Analysis: Confirms the material's composition.
6. Key Features
High Strength and Durability: Withstands high pressure and temperature.
Thermal Resistance: Performs reliably in elevated temperature environments.
Corrosion Resistance: Good resistance to oxidation and scaling under high heat.
Seamless Construction: Enhances uniformity and reduces weak points compared to welded tubes.
7. Applications
ASTM A210 Gr. A1 is widely used in industries requiring tubes that can operate under high pressure and temperature conditions. These include:
Power Plants: For boiler tubes and superheaters.
Petrochemical Industry: Heat exchangers and reformer tubes.
Industrial Boilers: In chemical processing plants and refineries.
Heat Transfer Systems: Used in condensers and other heat transfer equipment.
8. Advantages
Excellent mechanical strength for critical applications.
Superior dimensional accuracy due to seamless manufacturing.
High reliability in demanding environments like power plants.
Cost-effective compared to other specialized alloys.
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...