GBT3531 nickel-based low temperature structural steel plate
GB/T 3531 nickel-based low temperature structural steel plates are designed for use in low-temperature pressure vessels and equipment, offering excellent toughness and strength in cryogenic conditions. We provide certified industrial supply.
1.Superior Low-Temperature Toughness
2.Excellent Weldability and Fabricability
3.Conformance to Global Cryogenic Standards
GBT3531 nickel-based low temperature structural steel description
GBT3531 nickel-based low temperature structural steel is a high-performance material designed for applications requiring exceptional strength and toughness in extreme low-temperature environments. Widely used in cryogenic storage tanks, LNG facilities, and other low-temperature industrial applications, our China-based manufacturing facility produces GBT3531 steel plates in various grades to meet stringent national and international standards.
GBT3531-Chemical Composition/Tensile Requirements
| GBT3531-Chemical Composition | |||
| Element | 16MnDR | 09MnNiDR | 08Ni3DR |
| Carbon (C) | 0.2 | 0.12 | 0.1 |
| Silicon (Si) | 0.15-0.50 | 0.15-0.50 | 0.15-0.35 |
| Manganese (Mn) | 1.20-1.60 | 1.20-1.60 | 0.30-0.80 |
| Phosphorus (P) | 0.02 | 0.02 | 0.015 |
| Sulfur (S) | 0.01 | 0.01 | 0.005 |
| Niobium (Nb) | 0.05 | 0.05 | 0.05 |
| Vanadium (V) | 0.05 | 0.05 | 0.05 |
| Titanium (Ti) | 0.03 | 0.03 | 0.03 |
| Chromium (Cr) | 0.3 | 0.3 | 0.25 |
| Nickel (Ni) | _ | 0.30-0.80 | 3.25-3.70 |
| Copper (Cu) | 0.3 | 0.3 | 0.25 |
| Molybdenum(Mo) | 0.25 | 0.25 | 0.1 |
| GBT3531– Tensile Requirements | |||
| Property | 16MnDR | 09MnNiDR | 08Ni3DR |
| Yield Strength (ReL, MPa) | 325 (t ≤ 16) / 305 (16 < t ≤ 36) / 285 (36 < t ≤ 60) | 355 (t ≤ 16) / 335 (16 < t ≤ 36) / 315 (36 < t ≤ 60) | 390 (t ≤ 16) / 370 (16 < t ≤ 36) / 350 (36 < t ≤ 60) |
| Tensile Strength (Rm, MPa) | 490-620 | 510-650 | 530-680 |
| Elongation (%, min) | 21 | 22 | 22 |
| Impact Energy (KV2, J, min) | 34 (longitudinal) | 47 (longitudinal) | 60 (longitudinal) |
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GBT3531 nickel-based low temperature structural steel Application
GBT3531 nickel-based low temperature structural steel is widely utilized in applications requiring high strength and toughness at extremely low temperatures across various industries. In the cryogenic sector, it is ideal for fabricating storage tanks and vessels for liquefied natural gas (LNG) and other cryogenic liquids due to its superior low-temperature impact resistance and weldability. In the petrochemical industry, GBT3531 steel is used in pressure vessels and pipelines exposed to subzero conditions, ensuring structural integrity under thermal stress. The energy sector relies on this steel for components in low-temperature gas processing and refrigeration systems. Additionally, GBT3531 is employed in specialized applications such as aerospace components, industrial gas storage, and cryogenic transport systems. Its excellent performance in extreme cold environments makes it a trusted choice for EPC contractors and manufacturers of low-temperature equipment globally.
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