As it was stated in the above section, that these pipes are used in the areas where temperature is extremely low, they are used in large ice cream industries, chemical industries and other such places. They are used as transportation pipes and are categorized into different grades. The classification of grades of these pipes is done on different factors like temperature resistance, tensile strength, yielding strength and chemical compositions. The ASTM A333 pipes are furnished into nine different grades which are designated by the following numbers:1,3,4,6.7,8,9,10, and 11.
Product Details
| Specification | ASTM A333/ASME SA333 |
| Type | Hot Rolled/Cold Drawn |
| Outer Diameter Size | 1/4″NB TO 30″NB(Nominal Bore Size) |
| Wall Thickness | schedule 20 To Schedule XXS(Heavier On Request) Up to 250 mm Thickness |
| Length | 5 To 7 Meters,09 To 13 Meters, Single Random Length, Double Random Length And Customize Size. |
| Pipe Ends | Plain Ends/Beveled Ends/threaded Ends/Coupling |
| Surface Coating | Epoxy Coating/Colour Paint Coating/3LPE Coating. |
| Delivery Conditions | As Rolled. Normalizing Rolled, Thermomechanical Rolled /Formed, Normalizing Formed, Normalized and Tempered/Quenched and Tempered-BR/N/Q/T |
ASTM A333 standard covers wall seamless and welded carbon and alloy steel pipe intended for use at low temperatures. ASTM A333 alloy pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation. All seamless and welded pipes shall be treated to control their microstructure. Tensile tests, impact tests, hydrostatic tests, and nondestructive electric tests shall be made in accordance to specified requirements. Some product sizes may not be available under this specification because heavier wall thicknesses have an adverse affect on low-temperature impact properties.
ASTM A333 steel pipe production includes a series of visual surface imperfections to guarantee that they have been properly manufactured. ASTM A333 steel pipe shall be subject to rejection if surface imperfections acceptable are not scattered, but appear over a large area in excess of what is considered a workmanlike finish. The finished pipe shall be reasonably straight.
| C(max) | Mn | P(max) | S(max) | Si | Ni | |
| Grade 1 | 0.03 | 0.40 – 1.06 | 0.025 | 0.025 | ||
| Grade 3 | 0.19 | 0.31 – 0.64 | 0.025 | 0.025 | 0.18 – 0.37 | 3.18 – 3.82 |
| Grade 6 | 0.3 | 0.29 – 1.06 | 0.025 | 0.025 | 0.10 (min) |
Yield and Tensile Strength
| ASTM A333 Grade 1 | |
| Minimum Yield | 30,000 PSI |
| Minimum Tensile | 55,000 PSI |
| ASTM A333 Grade 3 | |
| Minimum Yield | 35,000 PSI |
| Minimum Tensile | 65,000 PSI |
| ASTM A333 Grade 6 | |
| Minimum Yield | 35,000 PSI |
| Minimum Tensile | 60,000 PSI |
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Post time: Jan-05-2024
