Material identity
Nickel 200 / UNS N02200 commercially pure wrought nickel

Alloy flanges and fittings
This Nickel 200 / UNS N02200 flange route helps buyers define commercially pure wrought nickel components without confusing them with low-carbon Nickel 201. State ASTM B564, flange form, size, class, facing, bore, dimensional edition, medium, design and operating temperature, fabrication, inspection, certification, quantity, and destination.
Technical snapshot
| Nominal size | DN | Product | Standard | RFQ review |
|---|---|---|---|---|
| 1/2" | DN 15 | Flange | ASME B16.5 | |
| 3/4" | DN 20 | Flange | ASME B16.5 | |
| 1" | DN 25 | Flange | ASME B16.5 | |
| 1-1/4" | DN 32 | Flange | ASME B16.5 | |
| 1-1/2" | DN 40 | Flange | ASME B16.5 | |
| 2" | DN 50 | Flange | ASME B16.5 | |
| 2-1/2" | DN 65 | Flange | ASME B16.5 | |
| 3" | DN 80 | Flange | ASME B16.5 | |
| 4" | DN 100 | Flange | ASME B16.5 | |
| 5" | DN 125 | Flange | ASME B16.5 | |
| 6" | DN 150 | Flange | ASME B16.5 | |
| 8" | DN 200 | Flange | ASME B16.5 | |
| 10" | DN 250 | Flange | ASME B16.5 | |
| 12" | DN 300 | Flange | ASME B16.5 | |
| 14" | DN 350 | Flange | ASME B16.5 | |
| 16" | DN 400 | Flange | ASME B16.5 | |
| 18" | DN 450 | Flange | ASME B16.5 | |
| 20" | DN 500 | Flange | ASME B16.5 | |
| 22" | DN 550 | Flange | ASME B16.5 | |
| 24" | DN 600 | Flange | ASME B16.5 |
| Nominal size | DN | Product | Standard | RFQ review |
|---|---|---|---|---|
| 26" | DN 650 | Large-diameter flange | ASME B16.47 | |
| 28" | DN 700 | Large-diameter flange | ASME B16.47 | |
| 30" | DN 750 | Large-diameter flange | ASME B16.47 | |
| 32" | DN 800 | Large-diameter flange | ASME B16.47 | |
| 34" | DN 850 | Large-diameter flange | ASME B16.47 | |
| 36" | DN 900 | Large-diameter flange | ASME B16.47 | |
| 38" | DN 950 | Large-diameter flange | ASME B16.47 | |
| 40" | DN 1000 | Large-diameter flange | ASME B16.47 | |
| 42" | DN 1050 | Large-diameter flange | ASME B16.47 | |
| 44" | DN 1100 | Large-diameter flange | ASME B16.47 | |
| 46" | DN 1150 | Large-diameter flange | ASME B16.47 | |
| 48" | DN 1200 | Large-diameter flange | ASME B16.47 | |
| 50" | DN 1250 | Large-diameter flange | ASME B16.47 | |
| 52" | DN 1300 | Large-diameter flange | ASME B16.47 | |
| 54" | DN 1350 | Large-diameter flange | ASME B16.47 | |
| 56" | DN 1400 | Large-diameter flange | ASME B16.47 | |
| 58" | DN 1450 | Large-diameter flange | ASME B16.47 | |
| 60" | DN 1500 | Large-diameter flange | ASME B16.47 |
Engineering discussion
Nickel 200 is commercially pure wrought nickel, while Nickel 201 is a low-carbon variant selected where carbon-related behavior at elevated temperature matters. A buyer should not accept a combined 200/201 label unless the material standard, service temperature, chemistry, and project specification explicitly permit it.
Nickel 200 is considered for certain chemical and caustic process environments, but concentration, contaminants, temperature, aeration, velocity, startup and cleaning conditions all influence material performance. Provide the actual process envelope for engineering acceptance.
A controlled release reconciles the ordered UNS grade with MTC chemistry, heat number, source material, manufacturing condition, dimensions, marking, and inspection records. State any laboratory chemistry confirmation or purchaser witness requirement where handheld identification alone is insufficient.
Standards and release
The current ASTM B564 forging scope lists UNS N02200. Confirm the active edition, material condition, mechanical requirements, testing, and supplementary order information.
Select flange form, size, class, facing, bore, gasket interface, and tolerances independently from the pure-nickel material route.
Do not extend Nickel 200 into a temperature regime where the project calls for low-carbon Nickel 201; verify the service limit and design basis explicitly.
Applications and next steps
Caustic process equipment enquiries
Chemical production line connections
Food-handling process component reviews
High-purity and controlled-media flange schedules
Buyer questions
Technical quotation
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