A333 GR.7 Low temperature alloy pipe
The A333 gr.7 alloy pipes supplied by gnee have undergone multiple inspections to ensure quality. The sizes range from 20mm to 215mm, and the wall thickness ranges from 2mm to 15mm or even thicker.
What is A333 GR.7 alloy steel pipe?
A333 GR.7 Carbon Steel Pipe is part of the ASTM A333 standard. A333 GR.7 carbon alloy tubes are made using seamless and welded processes. No metal is added during the welding operation. Similar to AISI 4032 low alloy steel that can adapt to low temperatures and corrosive environments, seamless steel pipes are used in the oil and gas field.
Typically composed of carbon, manganese, phosphorus, sulfur, and silicon, A333 Grade 7 pipe provides low-temperature strength, durability, and corrosion resistance. Its seamless construction reduces the risk of cracking or breakage while improving sealing performance. A333 GR.7 low temperature round pipe is usually used in low temperature environments that require higher strength and corrosion resistance, such as oil, natural gas, chemical industry, etc.
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Production and supply scope of alloy steel ASTM A333 grade 7 seamless pipes
Standard ASTM A333
Grade GR.7
Pipe size outer diameter (4-190mm) x total weight (0.5-15mm)
Length: up to 6000mm, 12000mm, customized length
Delivery conditions Cold working/hard working (drawing cold working), cold working/soft working (light cold working), annealing, normalizing, hot rolling
Testing Tensile test, flatness test, snow surface roughness measurement, dimensional inspection, snow surface inspection, non-destructive testing
Delivery 7-60 days
Test certificate according to EN 10204 3.1
Marking according to ASME, ASTM, EN standards
End plain or beveled end
Packaging: Bundling (hexagonal), wooden box, crate (steel/wood), special crate for U-shaped hole pipe
A333 Gr.7 seamless carbon steel pipe chemical composition (%)
| 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 | … |
A333 gr.7 low temperature carbon steel pipe mechanical properties
| Properties | Data |
| Tensile strength, min, (MPa) | 450Mpa |
| Yield strength, min, (MPa) | 240 Mpa |
| Elongation, min, (%), L/T | 30/16.5 |
A333.GR.7 Low temperature tube impact test
| Crade | The lowest temperature for strike test | |
| ℉ | ℃ | |
| ASTM A333 Grade 7 | -100 | -75 |
A333 GR.7 Low Alloy Pipe
Gnee Company Environment
FAQ
Q: Can you send samples?
A: Of course, we can send samples to all over the world, our samples are free, but customers
need to bear the courier cost.
Q: What product information do I need to provide?
A: You need to provide grade, wall thickness, width and quantity you need to buy.
Q: What are the shipping ports?
A: You can choose other ports according to your needs.
Q: About the product price?
A: Due to the cyclical changes in raw material prices, prices vary from period to period.
Q: What certifications do your products have?
A: We have ISO 9001, SGS, EWC and other certifications.
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