A217 GR.WC6 properties

A217 GR.WC6 is a high-strength low-alloy steel that is commonly used in high-temperature and pressure applications. In this article, we will explore the mechanical properties, chemical composition, equivalent grades, and applications of A217 GR.WC6.

Equivalent Grades: A217 GR.WC6 has several equivalent grades that have similar chemical compositions and mechanical properties. Some of the equivalent grades are:

• ASTM A182 F11
• ASTM A335 P11
• BS 1503 Grade 621-440
• DIN 1.7335
• ASME SA217
• UNS J42045

Chemical Composition: The chemical composition of A217 GR.WC6 is as follows:

• Carbon (C): 0.05-0.20%
• Manganese (Mn): 0.50-0.80%
• Silicon (Si): 0.50-1.00%
• Chromium (Cr): 1.00-1.50%
• Molybdenum (Mo): 0.44-0.65%
• Nickel (Ni): 0.50% maximum
• Phosphorus (P): 0.03% maximum
• Sulfur (S): 0.03% maximum

Mechanical Properties: The mechanical properties of A217 GR.WC6 are as follows:

• Tensile strength: 415 MPa (60,000 psi) minimum
• Yield strength: 205 MPa (30,000 psi) minimum
• Elongation: 20% minimum
• Reduction of area: 35% minimum
• Hardness: 197-241 HBW

Applications: A217 GR.WC6 is primarily used in high-temperature and pressure systems, including:

• Boiler components: A217 GR.WC6 is used to cast boiler components such as steam tubes, flanges, gaskets, and handles.
• High-pressure piping: A217 GR.WC6 is used to cast high-pressure piping components such as pipes, flanges, valves, and fittings.
• Pumps: A217 GR.WC6 is used to cast pump components such as handles, shafts, and impellers.
• Valves: A217 GR.WC6 is used to cast valve components such as valve bodies, flanges, and handles.

Components cast from A217 GR.WC6 have high strength, can withstand high pressure and temperature, and have good resistance to corrosion and erosion, especially in acidic environments. Overall, A217 GR.WC6 is a versatile steel that can be used in a wide range of applications where high-strength and corrosion-resistant materials are required.

DIN 17100 ST70-2 steel plate properties and application

DIN 17100 ST70-2 is a structural steel plate that is used in various engineering and construction applications. Here are some important properties and applications of DIN 17100 ST70-2 steel plate:

1. Equivalent grades

   Europe En10025(93)	France NFA35-501	U.K. BS4360	Italy UNI7070	China GB	Japan JIS3106
   E360	A70-2		Fe 690	Q355

2. Chemical Composition: DIN 17100 ST70-2 steel plate contains primarily carbon (C), manganese (Mn), and silicon (Si) as its major alloying elements. It may also contain small amounts of other elements such as phosphorus (P), sulfur (S), and copper (Cu).
3. Carbon (C): 0.14-0.20%
4. Silicon (Si): 0.15-0.55%
5. Manganese (Mn): 0.60-1.70%
6. Phosphorus (P): 0.035% max
7. Sulfur (S): 0.035% max
8. Copper (Cu): 0.25% max (if specified)
9. Mechanical Properties: The mechanical properties of DIN 17100 ST70-2 steel plate include a minimum yield strength of 690 MPa and a minimum tensile strength of 770-940 MPa. The elongation at break is typically around 14%.
10. Applications: DIN 17100 ST70-2 steel plate is primarily used in structural applications such as bridges, buildings, and heavy machinery. It is also used in the construction of offshore platforms and in the manufacturing of pressure vessels and boilers.
11. Weldability: DIN 17100 ST70-2 steel plate is generally considered to be weldable using common welding techniques like gas metal arc welding (GMAW) and shielded metal arc welding (SMAW). However, it is important to take proper precautions to avoid issues such as cracking or porosity.
12. Corrosion Resistance: DIN 17100 ST70-2 steel plate is not designed for corrosion resistance and may corrode in certain environments. However, it can be coated or painted to enhance its corrosion resistance.

Overall, DIN 17100 ST70-2 steel plate is a high-strength structural steel that is suitable for various engineering and construction applications. Its high yield and tensile strength make it ideal for use in heavy-duty applications such as bridges and buildings.