Hastelloy W Scrap Buyer and Seller
Most Hastelloy W in the market is welding wire and rod, so lots are small and often mixed with other filler wires. Keeping W apart matters because its 24% molybdenum is the reason anyone wants it.
Sell Hastelloy W Scrap
Tell us the form (spools, cut wire, rod ends, ring parts), weight, location and the spool labels or certificates (ERNiMo-3, ENiMo-3, AMS 5786). A reading with molybdenum near 24% and chromium near 5% confirms W. We review incoming enquiries and respond with relevant next steps.
Mipra Steel buys Hastelloy W scrap from sellers across India, with much of what we handle coming from the south: Bengaluru, Hyderabad, Chennai, Coimbatore and Visakhapatnam. Our head office is in Khetwadi, Mumbai.
What Is Hastelloy W?
Haynes International says Hastelloy W was developed primarily as a filler metal for welding dissimilar alloys and is widely used for that in the gas turbine and aerospace industries. It is also used as a wrought alloy for ring-type parts in older gas turbine engines.
For a scrap seller, that means W usually turns up as unused or part-used wire spools, cut wire and rod from weld shops, and ring parts from engine overhaul. Spool labels carry the AWS designation ERNiMo-3, which is the easiest proof of grade.
W is listed with the Hastelloy alloys. HASTELLOY is a trademark of Haynes International, used here only to identify material.
Hastelloy W Chemical Composition
Nominal composition in weight per cent from the Haynes International alloy composition table for HASTELLOY W alloy.

| Element | Symbol | Nominal wt% |
|---|---|---|
| Nickel | Ni | Balance (about 63) |
| Molybdenum | Mo | 24 |
| Iron | Fe | 6 |
| Chromium | Cr | 5 |
| Cobalt | Co | 2.5 max |
| Tungsten | W | 1 max |
| Manganese | Mn | 1 max |
| Silicon | Si | 1 max |
| Vanadium | V | 0.6 max |
| Copper | Cu | 0.5 max |
| Carbon | C | 0.12 max |
| UNS | N10004 |
|---|---|
| Density | 9.00 g/cm³ |
| Melting range | 1290 to 1375°C |
| Specifications | AMS 5786 (bar wire), AMS 5755 (bar, rings, forgings); AWS A5.14 ERNiMo-3 (wire), AWS A5.11 ENiMo-3 (electrodes) |
How Hastelloy W Scrap Is Identified
| Reading | Points to |
|---|---|
| Mo about 24%, Cr about 5%, Fe about 6% | Hastelloy W |
| Mo about 28%, Cr 1% or less, Fe 2% or less | Hastelloy B-2 |
| Mo about 16%, Cr about 7% | Hastelloy N |
| Mo about 16%, Cr about 16%, W about 4% | Hastelloy C-276 |

What Sets the Price of Hastelloy W Scrap
- Contained nickel and molybdenum.
- Proof of grade: spool labels or certificates.
- Whether wire is mixed with other filler wires.
- Lot size: wire lots are often small.
No price list is published; offers are dated and made lot by lot.
Hastelloy W Scrap Import and Export
W scrap is declared under heading 7503.00, nickel waste and scrap. See importing nickel alloy scrap into India.
Related Reading
Hastelloy W FAQ
What is Hastelloy W?
A nickel-molybdenum alloy, UNS N10004, with about 24% molybdenum, 6% iron and 5% chromium, developed mainly as a welding filler for dissimilar alloys.
What is the AWS designation for Hastelloy W wire?
ERNiMo-3 for bare wire (AWS A5.14) and ENiMo-3 for coated electrodes (AWS A5.11).
How is Hastelloy W told apart from B-2?
B-2 has about 28% molybdenum and almost no chromium or iron. W has about 24% molybdenum with 5% chromium and 6% iron.
Which HS code applies to Hastelloy W scrap?
Heading 7503.00, nickel waste and scrap.
Sources and Review
Figures are quoted as published in these sources; any value we could not confirm has been left out.
- Haynes International, alloy nominal composition table: HASTELLOY W, N and C-276.
- Haynes International, HASTELLOY W alloy data: principal features, UNS number, density, melting range and AMS/AWS specifications.
- Hastelloy B-2 values as listed on this site.
Published by Mipra Steel, Khetwadi, Mumbai · Last updated