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Introduction
Understanding the Nickel 200 chemical composition is essential when selecting commercially pure nickel for industrial components, chemical-processing equipment and specialised engineering applications. Identified by the designation UNS N02200, Nickel 200 is a wrought nickel material valued for its corrosion resistance in many suitable environments, good ductility, thermal and electrical conductivity, and useful fabrication characteristics.
For buyers, engineers and procurement teams, understanding the chemical composition alone is not enough. Mechanical properties, product form, material condition, dimensions and the applicable product specification must also be reviewed before placing an order.
This guide explains the composition limits, mechanical properties, material identification and purchasing considerations associated with Nickel 200.
What Is Nickel 200 (UNS N02200)?
Nickel 200 is a commercially pure wrought nickel material containing at least 99.0% nickel plus cobalt under the composition limits commonly specified for this grade. It is used in applications where the properties of commercially pure nickel are required.
Nickel 200 may be supplied in different product forms, depending on the applicable specification and supplier capability. These can include rod and bar, plate, sheet and other wrought forms.
When sourcing Nickel 200 round bars or other products, buyers should confirm that the offered material meets the required specification, dimensions and material condition.
Nickel 200 Chemical Composition
The chemical composition of Nickel 200 determines its material identity and helps establish whether the supplied product meets the required grade specification.
The following table presents the commonly published composition limits for Nickel 200. Values are expressed as percentages by weight.
| Element | Composition limit |
|---|---|
| Nickel plus cobalt | 99.0% minimum |
| Copper | 0.25% maximum |
| Iron | 0.40% maximum |
| Manganese | 0.35% maximum |
| Carbon | 0.15% maximum |
| Silicon | 0.35% maximum |
| Sulfur | 0.01% maximum |
Reference: Special Metals, Nickel 200 and Nickel 201 technical bulletin. Confirm the applicable specification and purchase requirements for the actual product before acceptance.
Why Is Nickel Content Important?
The high nickel content is a defining characteristic of Nickel 200. The material’s useful properties arise from its commercially pure nickel composition and processing condition.
However, chemical composition should not be treated as a complete guarantee of performance. Suitability also depends on the service environment, temperature, component design, fabrication method and relevant mechanical requirements.
Why Should Buyers Check the Material Test Certificate?
A material test certificate (MTC) provides traceability and documented test results for the supplied material. Depending on the order and applicable specification, buyers may need to verify:
- The grade designation, including UNS N02200 where applicable.
- The reported chemical analysis.
- The relevant product specification and material condition.
- Heat or lot identification and traceability.
- Required mechanical test results and dimensional details.
Do not rely only on a supplier’s product description or grade label when the application requires documented material conformity.
Nickel 200 Mechanical Properties
The Nickel 200 mechanical properties depend on the product form, dimensions and condition in which the material is supplied. Hot-worked, cold-worked and annealed products can have different strength and elongation requirements.
For nickel rod and bar, ASTM B160 specifies mechanical requirements for applicable product conditions and sizes.
The table below provides examples of minimum requirements stated in ASTM B160-24 for Nickel 200 rod and bar.
| Material condition | Minimum tensile strength | Minimum 0.2% yield strength | Minimum elongation |
|---|---|---|---|
| Annealed, rods and bars | 380 MPa | 105 MPa | 40% |
| Hot-worked, all sections | 415 MPa | 105 MPa | 35% |
| Cold-worked, round bars up to and including 25.4 mm | 550 MPa | 415 MPa | 10% |
| Cold-worked, round bars over 25.4 mm to 101.6 mm | 515 MPa | 345 MPa | 15% |
Important: These figures are specification-based minimums for the listed conditions, not universal values for every Nickel 200 product. Other product forms, dimensions, conditions or specifications may have different requirements. Confirm the current governing specification and the actual material documentation before using these figures for engineering design or procurement acceptance.
1. Tensile Strength
Tensile strength describes the stress a material can withstand during a tensile test before reaching its maximum engineering stress. It is an important consideration when evaluating material for load-bearing components.
The required value should be checked against the specified product condition and dimensions rather than assumed from the grade name alone.
2. Yield Strength
Yield strength indicates the stress at which measurable permanent deformation begins under the specified test method. It is important when evaluating components that must resist deformation during service.
Engineers should use the applicable certified properties and design requirements when assessing a component’s load capacity.
3. Elongation and Ductility
Elongation is a measure of deformation during a tensile test and is commonly used to assess ductility. Nickel 200 is known for useful ductility, although the specified elongation depends on the material condition, dimensions and test requirements.
This property can be relevant when a component requires forming or other fabrication operations.
4. Hardness
Hardness requirements should be checked against the relevant specification and product condition. Hardness should not be used as a substitute for all required mechanical tests, and a conversion from hardness to tensile strength should not be assumed to establish conformity unless the applicable requirements permit it.
Nickel 200 Physical and Functional Characteristics
In addition to its chemical composition and mechanical properties, Nickel 200 is selected for several functional characteristics.
- Corrosion resistance: Offers resistance to many corrosive environments, including certain caustic alkaline conditions. Suitability must be assessed for the actual chemical concentration, temperature and operating conditions.
- Electrical conductivity: Commercially pure nickel has useful electrical conductivity compared with many nickel alloys.
- Thermal conductivity: Its thermal properties can be beneficial in selected heat-transfer and process applications.
- Ductility and fabrication: Nickel 200 can offer useful ductility and fabrication characteristics when processed appropriately.
- Magnetic behaviour: Nickel 200 is magnetic under ordinary conditions; verify magnetic requirements if they are critical to the application.
These characteristics do not mean that Nickel 200 is suitable for every corrosive, high-temperature or high-load environment. Material selection should be based on the actual service requirements.
Which Specification Applies to Nickel 200 Round Bar?
For Nickel 200 rod and bar, ASTM B160 is a relevant product specification. The specification addresses applicable nickel grades, product conditions, chemical requirements and mechanical requirements.
The required specification should always be confirmed against the purchase order and application. A material designation by itself does not establish that every requirement of a particular standard has been met.
Before ordering Nickel 200 round bar, confirm:
- Required grade and UNS designation.
- Applicable ASTM or other agreed product specification.
- Diameter, length and dimensional tolerances.
- Hot-worked, cold-worked or annealed condition, as required.
- Required chemical and mechanical test documentation.
- Any additional inspection, testing or traceability requirements.
For reference, see the ASTM B160 specification page.
Nickel 200 Applications and Material Selection
Nickel 200 is used in selected industrial applications where commercially pure nickel’s characteristics are appropriate. Potential uses include certain chemical-processing components, equipment handling suitable caustic solutions, electrical and electronic components, and specialised engineering parts.
Actual suitability depends on the operating environment and component requirements. Engineers should review corrosion data, temperature limits, mechanical loads, fabrication requirements and applicable industry standards before selecting the material.
For applications involving corrosive chemicals, assess the specific chemical, concentration, temperature, flow conditions and possible contaminants. General corrosion-resistance descriptions are not a substitute for application-specific evaluation.
Nickel 200 Procurement Checklist for Buyers
When purchasing Nickel 200 material, use this checklist to reduce the risk of receiving a product that does not meet the intended requirements.
- Confirm the grade: Specify Nickel 200 and UNS N02200 where applicable.
- State the product form: Clearly identify whether you need round bar, rod, plate, sheet or another form.
- Provide dimensions: Include diameter, length, thickness or other required measurements.
- Identify the specification: State the applicable product standard and any additional requirements.
- Specify the material condition: Indicate the required condition where it matters to the application.
- Request documentation: Identify the required MTC, chemical analysis, mechanical tests and traceability documents.
- Confirm acceptance requirements: Agree on tolerances, inspection and any supplementary testing before placing the order.
- Verify availability and delivery: Confirm current availability, quantity, lead time and commercial terms with the supplier.
A detailed enquiry helps suppliers respond more accurately and allows purchasing teams to evaluate offers on technical conformity rather than price alone.
Enquire About Nickel 200 with Manan Steel & Metals
Manan Steel & Metals supplies industrial metal products and supports enquiries for specialty materials. If your project requires Nickel 200 round bar or another Nickel 200 product form, share your grade, dimensions, quantity and applicable specification so the requirement can be reviewed.
For a Nickel 200 enquiry, please provide:
- Required product form and dimensions.
- Quantity and delivery location.
- Applicable material specification.
- Required test certificates or inspection documents.
- Any special mechanical or service requirements.
Contact Manan Steel & Metals
- Website: www.manansteel.com
- Email: sales@manansteel.com
- Phone: +91 98198 76962
- Address: Shop No. 2, Hira Building, 97 Khetwadi Main Road (Nanubhai Desai Road), Girgaon, Mumbai – 400004, Maharashtra, India.
Please confirm current availability, product condition, documentation and delivery timelines when enquiring.
Frequently Asked Questions About Nickel 200
What is the chemical composition of Nickel 200?
Nickel 200 is commercially pure wrought nickel. Commonly published composition limits include a minimum of 99.0% nickel plus cobalt, with controlled maximum levels for copper, iron, manganese, carbon, silicon and sulfur. The governing specification should be checked for the ordered product.
What is the UNS number for Nickel 200?
The UNS designation for Nickel 200 is N02200.
What are the mechanical properties of Nickel 200?
Mechanical properties include tensile strength, yield strength and elongation. Their required values depend on product form, dimensions, condition and the applicable specification. ASTM B160 provides requirements for covered nickel rod and bar products.
Which ASTM specification is used for Nickel 200 round bar?
ASTM B160 covers specified nickel rod and bar products, including UNS N02200. Confirm the applicable edition and purchase requirements for the particular order.
Is Nickel 200 suitable for corrosive environments?
Nickel 200 resists many corrosive environments, including certain caustic alkaline solutions. Its suitability depends on the specific chemical, concentration, temperature, contaminants and service conditions.
What documents should I request when buying Nickel 200?
Depending on the order, request the material test certificate, chemical analysis, required mechanical test results, grade and specification identification, and traceability details. Confirm all required documents before placing the order.
Can I enquire about Nickel 200 round bar from Manan Steel & Metals?
Yes. Contact Manan Steel & Metals with your required dimensions, quantity, specification and delivery location to check the availability and suitability of the requested product.
Technical References
For further verification, consult these authoritative sources:
- Special Metals — Nickel 200 and Nickel 201 Technical Bulletin
- ASTM International — ASTM B160-24: Standard Specification for Nickel Rod and Bar
Use the applicable specification and material documentation for final engineering and purchasing decisions.
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