A333 GR.4 Carbon Steel Seamless Pipe
A333 GR.4 low temperature carbon steel pipe is manufactured using high-quality raw materials from reliable and trusted suppliers in the industry. These products undergo various heat treatments and testing procedures such as impact test, hydrostatic test, tensile test and non-destructive electrical test to verify that they meet the specified characteristics.
A333 GR.4 seamless steel pipe is made of carbon-based alloy. It is a low-alloy steel pipe with nickel as the main alloying element, as well as elements such as manganese, phosphorus, sulfur, silicon, etc. A333 GR.4 carbon steel pipe has low temperature service performance and excellent mechanical properties and corrosion resistance in cryogenic environments.
In addition, its surface treatment includes coating or surface treatment oiling, phosphating, varnishing, passivation or shot blasting. This treatment makes the surface of A333 GR.4 seamless pipe smooth and flawless.
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ASTM A333 Grade 4 Chemical Compositions(%)
| Compositions | Data |
| Carbon(max.) | 0.12 |
| Manganese | 0.50-1.05 |
| Phosphorus(max.) | 0.025 |
| Sulfur(max.) | 0.025 |
| Silicon | 0.18-0.37 |
| Nickel | 3.18-3.82 |
| Chromium | 0.44-1.01 |
| Al | 0.04-0.30 |
Mechanical properties for ASTM A333 Grade 4 Alloy Steel
| Properties | Data |
| Yield strength(min) | 415 Mpa |
| Tensile strength(min) | 240 Mpa |
| Elongation(%, min) Y | 30 |
| Elongation(%, min) X | 16.5 |
A333 GR.4 Seamless cold rolled steel pipe
Advantages of GNEE
Gnee has 14 steel production lines, 10 processing equipment for processing, bending, painting, heat treatment, cutting, drilling, beveling, tempering, surface treatment, complete testing equipment and strong technical force. The annual production capacity is more than 60,000 tons.
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