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Ro 4216 Niobium Alloy High Purity 99.95% Niobium Machining Spare Parts

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Ro 4216 Niobium Alloy High Purity 99.95% Niobium Machining Spare Parts

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Brand Name : HMD

Model Number : HMD-Nb

Certification : SGS, BV, TUV, LR

Place of Origin : CHN

MOQ : 1 Piece

Price : USD 50-100 per KG

Payment Terms : L/C, T/T

Supply Ability : 200 Tons Per Year

Delivery Time : 25 Days

Packaging Details : Export standard package with polywood case or ISPM 15 stamped wooden case

Material : Niobium

Density : 8.57 (g cm−3)

Melting point : 2410 °C

Boiling point : 5100 °C

Status : Anneal

Surface : Bright

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High Purity 99.95% Ro 4210/4216 and the Alloys Machining Spare Parts

Description

Niobium is a shiny, white, soft, and ductile metal, and takes on a bluish cast when exposed to air at room temperatures for a long time. The metal starts to oxidize in air at 200°C, and when processed at even moderate temperatures must be placed in a protective atmosphere.

Uses of Niobium

  • It is used in stainless steel alloys for cutting tools, nuclear reactors, jets, missiles, and welding rods.
  • It is used in the manufacturing of MRI scanners and NMR equipment.
  • Its alloys are used in making surgical implants.
  • It is used for the production of stainless steel and high-temperature resistant alloys.

TABLE 1. Chemical Requirements:

Content, Max, Weight %
Element Grand: R04200 Grand:R04210 Grand:R04251 Grand:R04261
Unalloyed Niobium Unalloyed Niobium (Reactor grade niobium-1% Zirconium) (Commercial grade niobium-1% Zirconium)
C 0.01 0.01 0.01 0.01
O 0.015 0.025 0.015 0.025
N 0.01 0.01 0.01 0.01
H 0.0015 0.0015 0.0015 0.0015
Fe 0.005 0.01 0.005 0.01
Mo 0.01 0.02 0.01 0.05
Ta 0.1 0.3 0.1 0.5
Ni 0.005 0.005 0.005 0.005
Si 0.005 0.005 0.005 0.005
Ti 0.02 0.03 0.02 0.03
W 0.03 0.05 0.03 0.05
Zr 0.02 0.02 0.8~1.2 0.8~1.2
Nb Remainder Remainder Remainder Remainder

TABLE 2.Mechanical Requirements:

Grade(UNS) Annealed
Tensile strength min, psi (MPa) Yield strength min,psi (MPa)(2%) Elongation min, % (1 inch gage length)
R04200, R04210 18000 (125) 10500 (73) 15~20
R04251, R04261 28000 (195) 18000 (125) 15~20
R04220(RRR grade) 14000 (95) 7200 (50) 30

Ro 4216 Niobium Alloy High Purity 99.95% Niobium Machining Spare PartsRo 4216 Niobium Alloy High Purity 99.95% Niobium Machining Spare Parts


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