ASTM A333 Gr.1 seamless steel pipe/tube is a seamless carbon steel pipe, ASTM A333 seamless steel pipe/tube is made by C, Mn , P, S etc chemical elements. ASTM A333 Gr.1 seamless steel pipe is widely used in industries such as petroleum, chemical, power, gas, water, metallurgy, shipbuilding, construction, etc.
ASTM A333 Gr.1 seamless steel pipe Chemical Requirements
| Element | Composition, % |
| Carbon, max | 0.30 |
| Manganese | 0.40±1.06 |
| Phosphorus, max | 0.025 |
| Sulfur, max | 0.025 |
ASTM A333 Gr.1 seamless steel pipe Mechanical Properties
| psi | MPa | |
| Tensile strength, min | 55 000 | 380 |
| Yield strength, min | 30 000 | 205 |
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