A333 GR.9 ERW Steel Pipe
ASTM A333 GR.9 Low Temperature Steel Pipe supplied by GNEE has been subjected to multiple inspections to guarantee quality and ensure service life even in the most demanding conditions.
ASTM A333 Grade 9 steel is similar to AISI 4032 low alloy steel and has good low temperature resistance. In some low temperature environments, traditional steel pipes may have problems such as brittle fracture, while A333 9 low temperature welded steel pipe can avoid this problem.
A333 9 welded steel pipe is able to maintain its mechanical integrity in low temperature environments without becoming brittle. Therefore A333 9 carbon steel pipe is suitable for oil and gas, petrochemical and cryogenic refrigeration industries.
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ASTM A333 Grade 9 Chemical Compositions(%)
| Elements | Composition, % |
|---|---|
| Carbon(max) | 0.2 |
| Silicon | - |
| Manganese | 0.40-1.06 |
| Phosphorus(max) | 0.025 |
| Sulfur(max) | 0.025 |
| Chromium | - |
| Nickel | 1.60-2.24 |
| Copper | 0.75-1.25 |
| Molybdenum | - |
| Vanadium | - |
| Aluminum | - |
ASTM A333 Grade 9 Mechanical Properties
| Grade | Tensile Strength (Mpa) | Yield Point (MPa) | Elongation (%) | |
|---|---|---|---|---|
| Y | X | |||
| ASTM A333 Grade 9 | ≥435 | ≥450 | ≥28 | - |
ASTM A333 Grade 9 Strike Temperature Condition
| Grade | The lowest temperature for strike test | |
|---|---|---|
| ? | ? | |
| ASTM A333 Gr.9 | -100 | -75 |
A333 GR.9 welded pipe
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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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