ASTM B160 Nickel Rod Description
ASTM B160 Nickel Ni200 Rod Introduction
Industrial-grade ASTM B160 nickel rod is a nickel-based alloy bar widely used in chemical, energy, marine, and electronic applications. Production processes include hot rolling, hot forging, cold drawing, and bright turning. Hot-worked (R), annealed (M), and cold-worked (Y) states are the supply states.
USA grade: N02200(Ni200) ASTM B160
Bar form: Round bars, square bars, and hexagonal bars, manufactured through processes such as hot rolling, forging, and cold drawing, are among the most basic profiles of titanium materials.
Technical Specifications
Regular Specification
| Item | Type | Specification range |
| Diameter range(φ, mm) | Regular stock | φ8-φ200 mm |
| Small size(cold drawn/ground) | φ4-φ30 mm | |
| Big size(forged bar) | φ100-φ300 mm | |
| Cross-sectional shapes | Round bar | Regular specification |
| Square bar/hexagonal bar | 6×6-80×80 mm(customized), S6-S80 | |
| Imperial sizes | 1/4″ (6.35 mm), 1/2″ (12.7 mm), 1″ (25.4 mm), 2″ (50.8 mm), 3″ (76.2 mm) | |
| Length(mm) | Annealed state(M) | 300-4000 mm(mainly random lengths) |
| Hot working/cold working(R/Y) | 300-6000 mm | |
| Fixed length/multiple length | Within the above range, length tolerance is +15 mm; each cut adds approximately 5 mm cutting allowance. |
Supply Specification
| Code | Process and features | Mechanical properties | Application |
M Soft/annealed state | 800-1000°C annealing, stress relieved, grain refined | Tensile strength: ≥380 MPa; elongation: ≥40% | Some complex forming, such as bending, deep drawing, and welding, or high plasticity and toughness |
Y Hard/cold working state | Cold drawn, no annealing, high strength | Tensile strength: ≥550 MPa; elongation: ≥2% | High hardness/strength structural or wear parts(precision parts, fasteners) |
Yz Half-hard state | Light cold working and intermediate annealed, M–Y properties | Tensile strength: ≥480 MPa; elongation: ≥15% | Suitable for moderate forming requirements with a balance of strength and ductility |
R Hot working state | Hot rolled/forged, rough surface, coarse microstructure | Tensile strength: 400-500 MPa; elongation: 25-40% | Rough machined billets, large diameter rods, or semi-finished parts requiring other processing |
Surface Specification
| Surface type | Process introduce | Application |
| Black/hot forged state | Hot-rolled/forged condition, not finished, with oxide scale; pickling can be applied to remove the scale | Rough machining stock, no surface required for structural application |
| Peeling/turning | Centerless turned/peeled to remove oxide scale, with some turning marks | Semi-finished parts, general assembly components and industrial piping |
| Cold drawn/bright finish | Cold drawn and straightened, bright with no oxide scale, high accuracy | Electrical and electronic parts, anodes, and parts requiring a clean and good surface |
| Grinding/ground finish | Centerless and cylindrical ground, excellent straightness and roundness | Precision shafts, molds, and high-precision instruments |
| Polishing/mirror surface | Mechanical polishing, fine abrasive grading | Clean conditions for food, pharmaceutical, and semiconductor industries |
| Black finishing | Chemical oxidation forms a black oxide film | Decorative parts, anti-reflective, basic corrosion resistance |
Chemical Specification
| Elements | Ni+Co | Fe | Mn | Si | C | Cu | S |
| Max. content(%) | ≥99 | ≤0.4 | ≤0.35 | ≤0.35 | ≤0.15 | ≤0.25 | ≤0.01 |
Physical Specification
| Performance classification | Specific indicators | Value | Notes |
| Physical properties | Density | 8.90 g/cm³ | Key parameters for weight and cutting volume calculation |
| Melt point | 1445-1485℃ | Reference limit for high-temperature process | |
| Electrical resistivity | 0.096 Ω·mm²/m | Better than copper, suitable for resistive components | |
| Thermal conductivity | 70 W/(m·K) | Good heat dissipation performance, better than some SS | |
| Mechanical properties | Tensile strength | ≥380 MPa | Meet the strength requirements for general structural components |
| Yield strength | ≥100 MPa | The strength will be improved after cold working | |
| Elongation | ≥40% | Excellent ductility, easy to bend, stamp, and form | |
| Corrosion resistance | Alkali resistant | Excellent | Excellent resistance to molten alkali and strong alkaline solutions |
| Resistance to reducing acids | Good | Good corrosion resistance to phosphoric and hydrofluoric acids | |
| Chloride resistance | Good | Good pitting resistance, seawater, and salt spray conditions | |
| Oxidizing acid resistance | Bad | Caution in strong oxidizing acids | |
| Process performance | Weldability | Excellent | Easy to TIG/MIG weld, producing dense and strong weld seams |
| Cold working state | Good | Easy wire drawing and thin-wall tube rolling | |
| Heat treatment | 650-750 ℃ | Annealed and air cooled, ductility fully restored |
International Standard
| Standard system | Grade | Core standard | Key control points |
| China GB | N6 | GB/T 2054-2020(Nickel and nickel alloy rods) GB/T 4435-2010 | Ni+Co≥99.5%; C≤0.15%; Fe≤0.40%; Cu≤0.25% |
| USA ASTM/UNS | Nickel 200 UNS N02200 | ASTM B160 Nickel and nickel alloy rod standard (latest 2023): ASME SB-160 (for pressure vessel applications)
| Fully equivalent to Ni200 |
EU EN/DIN | 2.4060 (W.Nr) | DIN 17752 Nickel and nickel alloy rods – EN 2.4060 | Strict impurity control, CE certification required |
Japan JIS | NW2200 | JIS H 4521 | Fully equivalent to UNS N02200 |
| International ISO | Ni99.6 | ISO 9723:2022 | Globally applicable |
| Russia GOST | НП2 | GOST 11018-82 | Similar to Ni200, suitable for the CIS market |
| UK BS | Ni 99.6 | BS EN 10088-1 | UK standards compliant, meets Commonwealth procurement requirements |
| France NF | NW2200 | NF A 49-301 | EU standards aligned, suitable for French-speaking regions |
Features & Advantages
- High purity nickel material: Ni200 is high commercially pure nickel (Ni ≥ 99.0%) with low impurity content and offers stable reliable material performance.
- Excellent corrosion resistance: It shows good corrosion resistance in alkaline media and neutral conditions, making it suitable for chemical application.
- Good alkali corrosion resistance: It shows excellent performance in strong alkaline condition such as caustic alkalis(NaOH, KOH).
- Excellent electrical and thermal conductivity, suitable for conductive and heat transfer application.
- Good machinability and workability: It has excellent hot and cold working properties, suitable for rolling, forging, drawing and machining.
- Good weldability: It can be welded by many different welding methods. It has weld performance and reliable joint quality.
- Excellent magnetic properties (low magnetism): In the annealed condition, it exhibits extremely low magnetic permeability, making it suitable for applications sensitive to magnetic interference.
- Excellent stability at elevated temperatures, retaining mechanical strength and oxidation resistance.
Performance Solutions
Problem: Common metals are prone to severe corrosion in strong alkaline condition such as NaOH and KOH.
Solution: Ni200 nickel rod offers excellent alkali corrosion resistance and can operate stably for long-term use in strong alkaline environments.
Problem: General materials are prone to corrosion failure in chemical media, which reduces equipment service life.
Solution: Ni200 exhibits good corrosion resistance in various chemical media, significantly extending service life.
Problem: Some materials are prone to oxidation or performance degradation at elevated temperatures.
Solution: Ni200 offers excellent high-temperature stability and oxidation resistance, maintaining stable performance under high-temperature conditions.
Problem: Conductive materials with high electrical resistance cannot meet the requirements for electrical and conductive applications.
Solution: Ni200 offers good electrical conductivity and is suitable for electrodes and conductive components.
Problem: Some metals have poor thermal conductivity, resulting in reduced heat exchange efficiency.
Solution: Ni200 offers good thermal conductivity and is suitable for heat exchange and thermal conduction components.
Problem: Some materials have poor machinability, resulting in difficult processing and high costs.
Solution: Ni200 offers excellent hot and cold workability, making it easy to roll, forge, and machine.
Problem: Conventional materials have unstable weldability, often resulting in defects or insufficient joint strength.
Solution: Ni200 offers excellent weldability, producing stable and reliable weld joints.
Problem: Some materials exhibit high magnetism, affecting use in precision equipment and magnetically sensitive environments.
Solution: Ni200 shows low magnetism in the annealed condition, making it suitable for applications sensitive to magnetic interference.
Application
- Chemical & petrochemical industry (core application area): This is the primary application field of ASTM B160 Ni200 rod, mainly utilizing its excellent alkali resistance.
- Electrochemical industry used in electrolytic cells for caustic soda (NaOH) and chlorine production, including electrodes, anode plates, heating tubes, and heat exchangers.
- Fine chemicals used in reactors, valves, pump bodies, and agitators operating in high-temperature and high-concentration alkaline solutions (such as NaOH and KOH).
- Oil & gas industry used in downhole drilling and production tools, corrosion-resistant pipelines, and components exposed to sour service conditions (H₂S-containing environments). Due to its good resistance to chloride-related corrosion, it is also applied in certain aggressive process environments.
- Electronics & electrical components (utilizing high purity and electrical conductivity): This field leverages the high nickel content of Ni200 (≥99.5%) and its stable electrical properties.
- Resistive heating materials used in heating elements such as heating wires, resistance rods, thermocouple sheaths, and electronic packaging leads.
- Battery materials used in NiMH and NiCd batteries, including cathode current collectors and battery case connectors.
- Vacuum electronic devices used in electronic tubes and rectifier tubes as anodes, grids, and lead supports.
- Marine & shipbuilding engineering (utilizing corrosion resistance): Marine facilities used in seawater desalination systems, including heat exchangers, reverse osmosis (RO) components, ship propeller parts, and connectors for subsea monitoring equipment.
- Ship components used for seawater-resistant fasteners, pump shafts, and valve components exposed to marine environments.
- Food & pharmaceutical (hygiene applications) (utilizing non-toxicity and corrosion resistance)
- Food processing used in production equipment, molds, and pressing rollers for processing acidic food media such as acetic acid and citric acid.
- Medical devices used in surgical instruments (primarily non-implant grade tools), sterilization equipment components, and, due to its good biocompatibility, certain instrument housings.
- Automotive & industrial machinery (utilizing high-temperature resistance and workability).
- Automotive exhaust systems used in high-performance vehicle exhaust system components, including valves, catalyst supports, and oxygen sensor probes.
- Heat treatment equipment used in industrial furnace components such as conveyor belts, fixtures, and heat treatment jigs.
- Precision machining & jewelry (utilizing surface quality and ductility): Precision machinery used for high-precision shaft components, sensor spindles, and wear-resistant parts in non-standard automation equipment.
- Jewelry & watches used in combination with materials such as zirconium for high-end watch cases, clasps, and jewelry components. (Note: Ni200 pure nickel is typically used as a base material or connector; it is less commonly used as a primary decorative surface material and is often applied with special coatings.)
Custom Processing Capabilities
1) Production Line Strength
Baoji Titanium Valley Ti-Ni-Zr Material Processing Co., Ltd. has invested a total of $36.2 million in high-end strip and foil production, establishing an advanced production line for titanium, nickel, zirconium and their alloy strips and foils in the world.
The production line specializes in the stable rolling of ultra-thin, wide-width strips, overcoming critical industry challenges such as springback, difficult shape control and inconsistent material properties. We achieved stable mass production of high-end titanium foil.
With an annual capacity of 3,000 tons, the production line is expected to realize an annual output value of $116 million, supporting large-volume supply demands from high-end customers in aerospace, electronics, new energy, chemical engineering and other industries..
2) The production line is equipped with advanced equipment in the world which can ensure high precision and stability for every coil of strip and foil:
A.750mm 20-high precision rolling mill: enable precision rolling of ultra-thin, wide-width strips
B.Continuous cleaning and annealing line: ensure surface cleanliness and uniform microstructure
C.Vacuum furnace: improve stability of material properties
D.Leveler: enhance strip shape and flatness
E.Slitting line: high-precision slitting suitable for ultra-thin materials
F.Sanding line: optimize surface consistency and texture.
Through precision equipment and optimized processes, the production line has successfully broken through seven core technical barriers for strip and foil products, including surface color difference control, thickness tolerance control, uniform annealing structure, high-precision slitting, and high-performance cleaning processes.
3) We provide one-stop custom processing from raw materials to finished products, ensuring stable supply of high-precision, high-performance products to our customers.
A.Materials: Pure titanium, titanium alloys, zirconium, nickel
Specifications: Thickness 0.02–1.0mm, width 350–670mm, customize according to requirement.
B.Surface treatment: Cleaning, sanding, degreasing, annealing; available in bright, matte and other function surface.
C.Dimensional & flatness control: Precise control of thickness, tolerances and surface flatness
D.Slitting & cutting to length: Suitable for ultra-thin wide strips with high yield and stable quality
E.Mass delivery: Annual capacity of 3,000 tons to meet large-volume, high-standard custom orders