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ASTM A333 Grade 7 Cryogenic Steel Pipe is steel pipe used for cryogenic service and other applications requiring notch toughness.
Cold-drawn A333 steel pipes are usually used in low-temperature pressure vessels and low-temperature heat exchangers from -45°C to -195°C. These equipment need to remain stable in low-temperature environments, so A333 grade 7 seamless steel pipes have excellent low-temperature resistance and mechanical properties. , should not be less than 210MPa in -45℃ environment. Able to meet the stringent requirements of these devices.
GNEE offers ASTM A333 Grade 7 alloy seamless and welded pipes with a minimum tensile strength of 415 MPa and a yield strength of 240 Pa. OD 20mm-215mm, wall thickness 2mm-15mm, SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, all schedules and standard and custom lengths.
ASTM A333 grade 7 alloy seamless pipes and welded pipes are widely used in various application industries such as refineries, power stations, boilers, and ships. Building heat exchangers, condensers, paper and pulp, nuclear power, fossil fuel power plants.
Chemical Compositions(%) of ASTM A333 Grade 7 pipe
| Compositions | Data |
| Carbon(max.) | 0.19 |
| Manganese | 0.9 |
| Phosphorus(max.) | 0.025 |
| Sulfur(max.) | 0.025 |
| Silicon | 0.13-0.32 |
| Nickel | 2.03-2.57 |
| Chromium | … |
| Other Elements | … |
ASTM A333 low temp pipe
Seamless and Welded Steel Pipe size for Low-Temperature Service:
– Outer Dimensions: 19.05mm – 114.3mm
– Wall Thickness: 2.0mm – 14 mm
– Length: max 16000mm
Application: Seamless and Welded Steel Pipe for Low-Temperature Service.
Steel Grade: ASTM A333 Grade 7, ASME SA333 Gr.7
Properties Data
Tensile strength, min, (MPa) 450Mpa
Yield strength, min, (MPa) 240 Mpa
Elongation, min, (%), L/T 30/16.5
Impact Requirements:
Multiple steel pipes are packed in wooden boxes, which can effectively protect the surface of the steel pipes from damage. Wooden boxes can provide better protection and prevent steel pipes from being squeezed and collided during transportation.
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