'Quality first, Honesty as base, Sincere service and mutual profit' is our idea, in order to develop continuously and pursue the excellence for p22 pipe, stkm11a steel tube, sa 790 uns s32750. Our company has been looking for partners in the rapidly developing international market and actively expanding international business. We hope to win users with excellent products and services and keep the leading position in the industry.
ASTM A355 Large Diameter Seamless Steel Pipe
Material, Specification, Key Features
ASTM A355 is a standard specification for seamless steel pipe for high-temperature service. It covers nominal wall thickness, pipe sizes, dimensions, and tolerances. The material is suitable for bending, flanging, and similar forming operations. Here are some key features:
Material: Seamless steel
Specification: ASTM A355
Key Features: High-temperature resistance, suitable for bending and flanging
Chemical Composition
| Element | Composition (%) |
| Carbon (C) | 0.05-0.15 |
| Manganese (Mn) | 0.30-0.60 |
| Phosphorus (P) | 0.025 (max) |
| Sulfur (S) | 0.025 (max) |
| Silicon (Si) | 0.10-0.50 |
Mechanical Properties
| Property | Value |
| Tensile Strength | 415 MPa (min) |
| Yield Strength | 240 MPa (min) |
| Elongation | 30% (min) |
| Hardness | 89 HRB (max) |
Physical Properties
| Property | Value |
| Density | 7.85 g/cm³ |
| Melting Point | 1420-1460°C |
| Thermal Conductivity | 50.2 W/m·K |
| Specific Heat Capacity | 0.473 J/g·K |
Process Performance
| Property | Value |
| Weldability | Excellent |
| Machinability | Fair |
| Formability | Good |
| Corrosion Resistance | Moderate |
Steel Grade
ASTM A355 typically includes several steel grades, such as A106 Grade B, A333 Grade 6, A335 P11, etc. These grades vary in their chemical composition and mechanical properties to suit different applications.
Application
The ASTM A355 seamless steel pipe finds its application in various industries where high-temperature and pressure resistance are required. Some common applications include:
Power generation
Petrochemical
Oil and gas
Refinery
Boiler and heat exchanger
Possible Alternative Grades
While ASTM A355 offers a range of steel grades suitable for high-temperature service, there are alternative grades available in the market based on specific requirements. Some possible alternatives include:
ASTM A106 Grade C
ASTM A335 P22
ASTM A333 Grade 8
These alternative grades may offer slightly different properties and may be chosen based on factors such as cost, availability, and specific application requirements.
Maintaining stable quality and manufacturing process makes our Seamless Aluminum Alloy Tube, Large Diameter Aluminum Pipe trusted by customers for a long time. We are committed to the continual evolution of our business model in order to support our customers and industry with convenience, high quality, short delivery time and competitive prices. Our company abides by contractual commitments on product quality and various services, and is willing to sincerely cooperate with new and old customers around the world.
Hot Tags: astm a355 large diameter seamless steel pipe, China, suppliers, manufacturers, factory, customized, wholesale, price, OEM, mill, producer, for sale, erw steel tube, a519 tubing, 4130 steel tubing, Cold Drawn Seamless Steel Tube, cold drawn tube, DOM Tube