ASTM A240 UNS N08700 / 1.4886 Stainless Steel Plate Hot Rolled Forged

UNS N08700 / 1.4886 Stainless steel
UNS N08700 is an iron-nickel based alloy with excellent corrosion resistance and high temperature strength. It is suitable for high temperature and high corrosion environments and is widely used in chemical, oil, gas and power industries.

Main parameter of UNS N08700 / 1.4886 Stainless steel
Chemical composition (typical value, %) :

• Carbon (C): ≤0.03
• Silicon (Si): ≤1.00
• Manganese (Mn): ≤2.00
• Phosphorus (P): ≤0.03
• Sulfur (S): ≤0.03
• Chromium (Cr): 19.0-23.0
• Nickel (Ni): 30.0-35.0
• Molybdenum (Mo): 4.0-6.0
• Copper (Cu): 1.0-2.0
• Titanium (Ti): 0.15-0.60
• Aluminum (Al): ≤0.60
• Iron (Fe): margin

Mechanical properties of UNS N08700 / 1.4886 Stainless steel

• Tensile strength (Rm): ≥650 MPa
• Yield strength (Rp0.2): ≥300 MPa
• Elongation (A5): ≥30%
• Hardness (HB): ≤220

Physical properties of UNS N08700 / 1.4886 Stainless steel

• Density: 8.0 g/cm³
• Melting point: 1350-1400°C
• Coefficient of thermal expansion (20-100°C): 14.5 x 10⁻⁶/K
• Thermal conductivity (20°C): 11 W/m·K
• Resistivity (20°C): 0.90Ω ·mm²/m

Peculiarity of UNS N08700 / 1.4886 Stainless steel

• Corrosion resistance: Excellent performance in oxidizing and reducing media, especially suitable for strong acid environment such as sulfuric acid and phosphoric acid.
• High temperature strength: maintains good mechanical properties at high temperatures, suitable for high temperature applications.
• Stress corrosion cracking resistance: Excellent performance in high temperature and pressure environments.
• Weldability: Good welding performance, suitable for a variety of welding processes.
• Machinability: easy to process and form, suitable for complex parts manufacturing.

Advantage of UNS N08700 / 1.4886 Stainless steel

• Versatility: Suitable for a variety of corrosive environments and high temperature conditions.
• Long life: Excellent corrosion resistance and high temperature strength extend the service life of the equipment.
• Economy: Reduce maintenance and replacement frequency and reduce long-term costs.
• Reliability: Stable performance in harsh environments to ensure safe operation of equipment.

Equal Grade of UNS N08700 Alloy 

• UNS N08700
• Alloy 33
• W.N.R. 1.4886
• DIN 1.4886

Standard
UNS N08700 stainless steel meets the following standards:

• ASTM: UNS N08700
• DIN: DIN 1.4886
• EN: 1.4886

Application field of UNS N08700 / 1.4886 Stainless steel

• Chemical industry: Used to manufacture reactors, heat exchangers, pipelines, etc.
• Oil and natural gas: used in oil well pipes, transmission pipelines, etc.
• Power industry: Used in boilers, heat exchangers and other high temperature equipment.
• Environmental protection project: used for flue gas desulfurization equipment, wastewater treatment equipment, etc.
• Food processing: for equipment and containers with high hygiene requirements.

UNS N08700 stainless steel is widely used in many industrial fields due to its excellent corrosion resistance, high temperature strength and good workability, making it an ideal material in high temperature, high corrosion environments.