ASTM A333 Grade 7/A333Gr7 is a low alloy steel pipe which offers several impressive features, including good tensile and yield strength, high toughness and excellent corrosion resistance. These properties make it an excellent choice for use in various high-temperature environments, particularly in the oil and gas industry.

 

Mechanical Properties:

Tensile Strength: 450-620 MPa

Yield Strength: 240 MPa

Elongation: 22%

Hardness: ≤197HB

 

Heat Treatment:

A333Gr7 steel pipe is commonly supplied in a normalized condition to improve its toughness and ease of forming. It can also be annealed or tempered to improve its mechanical properties.

 

Applications:

A333Gr7 steel pipe is commonly used in the petrochemical, power generation, and chemical manufacturing industries. It is also used in the oil and gas sector for transmission and transportation of oil and gas, as well as in some boiler applications.

 

Size Range:

Outer Diameter: 1/2”-24”

Wall Thickness: 3mm-60mm

 

Impact Temperature:

A333Gr7 steel pipe is tested at -46℃ in order to ensure its toughness and suitability for use in low-temperature environments.

 

Chemical Composition:

Carbon: 0.15% max

Manganese: 0.40-1.06%

Phosphorus: 0.025% max

Sulfur: 0.025% max

Silicon: 0.10-0.35%

Nickel: 1.00-1.30%

Chromium: 0.44-0.65%

Molybdenum: 0.40-0.60%

Copper: 0.35% max

 

TJC Steel Supply Cases:

TJC Steel has supplied A333Gr7 steel pipe to clients in various regions around the world, including the Middle East, Southeast Asia, and Europe. Our high-quality products and efficient service have earned us a strong reputation in the steel industry.

 

In conclusion, ASTM A333 Grade 7/A333Gr7 Alloy Seamless Steel Pipe is a low-alloy steel which offers good tensile and yield strength, high toughness, and excellent corrosion resistance. It is widely used in the petrochemical, power generation, and chemical manufacturing industries, as well as in the oil and gas sector. TJC Steel is a reliable supplier of A333Gr7 steel pipe, and we are committed to providing high-quality products and excellent service to our clients.