ASTM A36 Carbon Steel Pipes
A36 carbon steel pipe refers to a type of carbon steel pipe specified by ASTM A36. It is a low carbon steel with good workability and weldability. ASTM A36 is a widely used structural steel grade, commonly used in building structures, bridges, mechanical manufacturing, and other fields for transporting fluids such as liquids and gase
product Details
| Products name | A36 Carbon Steel Pipe | Place of origin | Tianjin,China |
| Products type | Hot Rolled Carbon Pipe | Standard | GB |
| Section Shape | Round | Brand name | TJSZT |
| Alloy or not | Non-Alloy | Certificate | API,CE,BIS,ISO9001 |
| Thickness | 0.6-200mm | Surface | Oil,Black,Silvery |
| Application | Fluid pipe,Boiler pipe,Drill pipe,Gas pipe... | Zinc Coating | None or 30-275g/m2 |
| Length | 12m,6m,6.4m... | Payment Term | TT LC |
| MOQ | 10Tons | Packing |
Standard packing |
Machining of ASTM A36 Steel
ASTM A36 steel has a machinability rate of about 72%, with an average cutting speed of 120 ft/min. Compared to AISI 1018 steel, machining ASTM A36 requires greater precision and care due to its lower machinability.
Welding and Heat Treatment of ASTM A36 Steel
Welding: ASTM A36 is highly weldable, supporting various welding techniques. It produces strong, high-quality welds and joints, making it suitable for a wide range of applications.
Heat Treatment: The steel responds well to standard carburizing and hardening methods similar to those used for AISI 1018. Key heat treatment processes include:
Normalizing: Performed at 899°C to 954°C (1650°F–1750°F) to refine the grain structure.
Annealing: Conducted at 843°C to 871°C (1550°F–1600°F) to soften the steel and improve ductility.
Stress Relieving: Carried out at 677°C to 927°C (1250°F–1700°F) to reduce internal stresses.
Carburizing: Done at 899°C to 927°C (1650°F–1700°F) to enhance surface hardness.
Hardening: Performed at 788°C to 816°C (1450°F–1500°F) to increase strength and wear resistance.
These treatments help optimize the steel's mechanical properties for various applications.
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