Products

Suppliers
Filter Gallery
7,708

Niobium Alloy

Products
Ferro Niobium Fenb Alloy Round Plate Alloy Alloy Wire Fiber Laser Welding Machine Niobium Disc Alloy Tube

Sorry! No matches were found.

Lork ASTM B393-05/R04200 Niobium Alloy Sheet for Aerospace High Temperature Components Nb0032 Niobium Alloy Plate

Lork ASTM B393-05/R04200 Niobium Alloy Sheet for Aerospace High Temperature Components Nb0032 Niobium Alloy Plate

US $ 60-80 / kg FOB
100 kg (MOQ)
More
Main Products: Super Alloy, Special Steel, Rare Metal Alloy, Aluminum Alloy, Copper Alloy, Precision Capillary, Rare Earth Alloy, Lork New Materials, Other Metal Alloy Materials, Stainless Steel
Contact Supplier
Audited Supplier Audited Supplier Since 2024
LORK GROUP CO., LTD

Manufacturer/Factory,Group Corporation

Henan, China Since 2024
Chat Now Send Inquiry
Niobium Stabilized Alloy 20 Pipe Incoloy Alloy 20 Seamless Pipe Price Per Meter

Niobium Stabilized Alloy 20 Pipe Incoloy Alloy 20 Seamless Pipe Price Per Meter

US $ 0.45-0.65 / kg FOB
1 kg (MOQ)
More
Standard : AISI, ASTM, DIN, JIS, GB
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Shaanxi Jiade Import and Export Co., Ltd.

Manufacturer/Factory

Shaanxi, China Since 2023
Chat Now Send Inquiry
65% Nb Ferroniobium, Ferro Niobium Fenb65 Alloy Particles

65% Nb Ferroniobium, Ferro Niobium Fenb65 Alloy Particles

US $ 14,000-16,000 / Ton FOB
10 Tons (MOQ)
More
Main Products: Food Additives, Plant Extract, Sodium Caseinate
Contact Supplier
Since 2024
Tianjin Zhuofeng Biotechnology Co., Ltd.

Manufacturer/Factory

Tianjin, China Since 2024
Chat Now Send Inquiry
High Temperature Alloy Addition Ferroniobium Fenb Alloy Fenb65

High Temperature Alloy Addition Ferroniobium Fenb Alloy Fenb65

US $ 13,000-15,000 / Ton FOB
10 Tons (MOQ)
Contact Supplier
Since 2024
Tianjin Zhuofeng Biotechnology Co., Ltd.

Manufacturer/Factory

Tianjin, China Since 2024
Chat Now Send Inquiry
Niobium-Zirconium Alloy Nbzr1 Niobium Zirconium Crucible Niobium Zirconium Alloy Wafer Niobium Zirconium Alloy Nut Nb-1zr Alloy Nbzr2 Alloy

Niobium-Zirconium Alloy Nbzr1 Niobium Zirconium Crucible Niobium Zirconium Alloy Wafer Niobium Zirconium Alloy Nut Nb-1zr Alloy Nbzr2 Alloy

US $ 200 / kg FOB
10 kg (MOQ)
More
Main Products: Copper Alloy, Stainless Steel, Alloy Steel, Tool Steel, Special Steel, Nickel Alloy, Pure Copper, Aluminum Alloy, Tin Ingots, High Speed Steel
Contact Supplier
Audited Supplier Audited Supplier Since 2016
Wuxi Taixie Metal Material Co., Ltd.

Manufacturer/Factory,Trading Company,Group Corporation

Jiangsu, China Since 2016
Chat Now Send Inquiry
China Factory Price Palladium-Niobium Alloy Palladium Alloy

China Factory Price Palladium-Niobium Alloy Palladium Alloy

US $ 80-150 / Gram FOB
1 Gram (MOQ)
More
Product Type : Sheet
Contact Supplier
Audited Supplier Audited Supplier Since 2018
Xi'an JoinXin New Material Technology Co., Ltd.

Manufacturer/Factory

Shaanxi, China Since 2018
Chat Now Send Inquiry
Ring Electronics Combat Standard Export Packaging Tube Round Plate Niobium Sheet Alloy

Ring Electronics Combat Standard Export Packaging Tube Round Plate Niobium Sheet Alloy

US $ 205.89-294.18 / kg FOB
3 kg (MOQ)
More
Main Products: Tungsten Wire, Molybdenum Wire, Tungsten Plate, Tantalum Sheet, Molybdenum Bar, Nickel Wire, Tungsten Heavy Alloy, W-Cu Alloy, Tzm, Tungsten Copper Alloy
Contact Supplier
Audited Supplier Audited Supplier Since 2019
LUOYANG COMBAT TUNGSTEN & MOLYBDENUM MATERIAL CO., LTD.

Manufacturer/Factory,Trading Company

Henan, China Since 2019
Chat Now Send Inquiry
ASTM B393 Standard Rings for Sale Electronics Niobium Disc Alloy

ASTM B393 Standard Rings for Sale Electronics Niobium Disc Alloy

US $ 205.89-294.18 / kg FOB
3 kg (MOQ)
More
Purity : >99.95%
Contact Supplier
Audited Supplier Audited Supplier Since 2019
LUOYANG COMBAT TUNGSTEN & MOLYBDENUM MATERIAL CO., LTD.

Manufacturer/Factory,Trading Company

Henan, China Since 2019
Chat Now Send Inquiry
Niobium Ring Nbzr1 Alloy Ring Price

Niobium Ring Nbzr1 Alloy Ring Price

US $ 205.89-294.18 / kg FOB
3 kg (MOQ)
More
Main Products: Tungsten Wire, Molybdenum Wire, Tungsten Plate, Tantalum Sheet, Molybdenum Bar, Nickel Wire, Tungsten Heavy Alloy, W-Cu Alloy, Tzm, Tungsten Copper Alloy
Contact Supplier
Audited Supplier Audited Supplier Since 2019
LUOYANG COMBAT TUNGSTEN & MOLYBDENUM MATERIAL CO., LTD.

Manufacturer/Factory,Trading Company

Henan, China Since 2019
Chat Now Send Inquiry
Ring Electronics Combat Standard Export Packaging Polished Niobium Target Alloy

Ring Electronics Combat Standard Export Packaging Polished Niobium Target Alloy

US $ 205.89-294.18 / kg FOB
3 kg (MOQ)
More
Standard : GB, ASTM
Contact Supplier
Audited Supplier Audited Supplier Since 2019
LUOYANG COMBAT TUNGSTEN & MOLYBDENUM MATERIAL CO., LTD.

Manufacturer/Factory,Trading Company

Henan, China Since 2019
Chat Now Send Inquiry
Combat Electronics Standard Export Packaging Polished Plates Disc Niobium Round Plate Alloy

Combat Electronics Standard Export Packaging Polished Plates Disc Niobium Round Plate Alloy

US $ 205.89-294.18 / kg FOB
3 kg (MOQ)
More
Main Products: Tungsten Wire, Molybdenum Wire, Tungsten Plate, Tantalum Sheet, Molybdenum Bar, Nickel Wire, Tungsten Heavy Alloy, W-Cu Alloy, Tzm, Tungsten Copper Alloy
Contact Supplier
Audited Supplier Audited Supplier Since 2019
LUOYANG COMBAT TUNGSTEN & MOLYBDENUM MATERIAL CO., LTD.

Manufacturer/Factory,Trading Company

Henan, China Since 2019
Chat Now Send Inquiry
Industrial Electronics Combat Standard Export Packaging Polished Target Tube Niobium Price Alloy

Industrial Electronics Combat Standard Export Packaging Polished Target Tube Niobium Price Alloy

US $ 205.89-294.18 / kg FOB
3 kg (MOQ)
More
Standard : GB, ASTM
Contact Supplier
Audited Supplier Audited Supplier Since 2019
LUOYANG COMBAT TUNGSTEN & MOLYBDENUM MATERIAL CO., LTD.

Manufacturer/Factory,Trading Company

Henan, China Since 2019
Chat Now Send Inquiry
Nickel Expansion Joint Steel Billet Niobium Alloy Steel Titanium
Lork Polished Surface ASTM B393-05/R04210 Nb Rare Metal Alloy Foil for Nuclear Industry Equipment Nb0031 Niobium Alloy Foil

Lork Polished Surface ASTM B393-05/R04210 Nb Rare Metal Alloy Foil for Nuclear Industry Equipment Nb0031 Niobium Alloy Foil

US $ 2,000-2,300 / kg FOB
100 kg (MOQ)
More
Main Products: Super Alloy, Special Steel, Rare Metal Alloy, Aluminum Alloy, Copper Alloy, Precision Capillary, Rare Earth Alloy, Lork New Materials, Other Metal Alloy Materials, Stainless Steel
Contact Supplier
Audited Supplier Audited Supplier Since 2024
LORK GROUP CO., LTD

Manufacturer/Factory,Group Corporation

Henan, China Since 2024
Chat Now Send Inquiry
Good Price Ferro Niobium Alloy Fenb 50% 60% 70% with High Quality

Good Price Ferro Niobium Alloy Fenb 50% 60% 70% with High Quality

US $ 15,000-18,000 / Ton FOB
20 Tons (MOQ)
More
Application : Industrial, Chemical
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Tianjin Boda Import & Export Co., Ltd.

Trading Company

Tianjin, China Since 2023
Chat Now Send Inquiry
Lork ASTM B393-05/R04210 Nb Rare Metal Alloy Tube for Nuclear Industry Equipment Nb0031 Niobium Alloy Pipe

Lork ASTM B393-05/R04210 Nb Rare Metal Alloy Tube for Nuclear Industry Equipment Nb0031 Niobium Alloy Pipe

US $ 70-80 / kg FOB
100 kg (MOQ)
More
Main Products: Super Alloy, Special Steel, Rare Metal Alloy, Aluminum Alloy, Copper Alloy, Precision Capillary, Rare Earth Alloy, Lork New Materials, Other Metal Alloy Materials, Stainless Steel
Contact Supplier
Audited Supplier Audited Supplier Since 2024
LORK GROUP CO., LTD

Manufacturer/Factory,Group Corporation

Henan, China Since 2024
Chat Now Send Inquiry
China Ferroniobium Price, Ferro Niobium Fenb Alloy

China Ferroniobium Price, Ferro Niobium Fenb Alloy

US $ 16,000-20,000 / Ton FOB
1 Ton (MOQ)
More
Alloy : Alloy
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Inner Mongolia Pusheng Iron &Steel Co., Ltd.

Manufacturer/Factory

Inner Mongolia, China Since 2021
Chat Now Send Inquiry
Ferro Niobium 65 Alloy Lump High Quality Ferro Niobium Lump Ferro Niobium Alloy Price Hrnb Hrfe

Ferro Niobium 65 Alloy Lump High Quality Ferro Niobium Lump Ferro Niobium Alloy Price Hrnb Hrfe

US $ 16,000-20,000 / Ton FOB
1 Ton (MOQ)
More
Main Products: Ferroalloy, Silicomanganese, Ferromangnanese, Rare Metal, Manganese Metal, Aluminum, Ferrosilicon, Silicon Metal
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Inner Mongolia Pusheng Iron &Steel Co., Ltd.

Manufacturer/Factory

Inner Mongolia, China Since 2021
Chat Now Send Inquiry
High Quality Ferroniobium Price Ferro Niobium Fenb Alloy

High Quality Ferroniobium Price Ferro Niobium Fenb Alloy

US $ 16,000-20,000 / Ton FOB
1 Ton (MOQ)
More
Alloy : Alloy
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Inner Mongolia Pusheng Iron &Steel Co., Ltd.

Manufacturer/Factory

Inner Mongolia, China Since 2021
Chat Now Send Inquiry
High Recovery Fenb50 60 70 Ferroniobium Pure Price Per Kg for Sale, Non-Ferrous China Manufacture Ferro Niobium Fenb Alloy

High Recovery Fenb50 60 70 Ferroniobium Pure Price Per Kg for Sale, Non-Ferrous China Manufacture Ferro Niobium Fenb Alloy

US $ 16,000-20,000 / Ton FOB
1 Ton (MOQ)
More
Main Products: Ferroalloy, Silicomanganese, Ferromangnanese, Rare Metal, Manganese Metal, Aluminum, Ferrosilicon, Silicon Metal
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Inner Mongolia Pusheng Iron &Steel Co., Ltd.

Manufacturer/Factory

Inner Mongolia, China Since 2021
Chat Now Send Inquiry
China Manufacture Low Price Ferro Niobium Fenb Alloy

China Manufacture Low Price Ferro Niobium Fenb Alloy

US $ 16,000-20,000 / Ton FOB
1 Ton (MOQ)
More
Application : Aviation, Electronics, Industrial
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Inner Mongolia Pusheng Iron &Steel Co., Ltd.

Manufacturer/Factory

Inner Mongolia, China Since 2021
Chat Now Send Inquiry
Related Videos
  • What is Lork ASTM B393-05/R04200 Niobium Alloy Sheet for Aerospace High Temperature Components Nb0032 Niobium Alloy Plate
    What is Lork ASTM B393-05/R04200 Niobium Alloy Sheet for Aerospace High Temperature Components Nb0032 Niobium Alloy Plate
    Negotiable
    100 kg (MOQ)
    Contact Supplier
  • What is Niobium Stabilized Alloy 20 Pipe Incoloy Alloy 20 Seamless Pipe Price Per Meter
    What is Niobium Stabilized Alloy 20 Pipe Incoloy Alloy 20 Seamless Pipe Price Per Meter
    Negotiable
    1 kg (MOQ)
    Contact Supplier
  • What is 65% Nb Ferroniobium, Ferro Niobium Fenb65 Alloy Particles
    What is 65% Nb Ferroniobium, Ferro Niobium Fenb65 Alloy Particles
    Negotiable
    10 Tons (MOQ)
    Contact Supplier
  • What is High Temperature Alloy Addition Ferroniobium Fenb Alloy Fenb65
    What is High Temperature Alloy Addition Ferroniobium Fenb Alloy Fenb65
    Negotiable
    10 Tons (MOQ)
    Contact Supplier
Niobium Alloy Bar C103 Alloy C-103 Nb Alloy

Niobium Alloy Bar C103 Alloy C-103 Nb Alloy

US $ 1,100 / kg FOB
50 kg (MOQ)
More
Main Products: Copper Alloy, Stainless Steel, Alloy Steel, Tool Steel, Special Steel, Nickel Alloy, Pure Copper, Aluminum Alloy, Tin Ingots, High Speed Steel
Contact Supplier
Audited Supplier Audited Supplier Since 2016
Wuxi Taixie Metal Material Co., Ltd.

Manufacturer/Factory,Trading Company,Group Corporation

Jiangsu, China Since 2016
Chat Now Send Inquiry
Aluminium Niobium Alloy

Aluminium Niobium Alloy

US $ 80 / Piece FOB
100 Pieces (MOQ)
More
Product Type : Rare Earth Metal
Contact Supplier
Audited Supplier Audited Supplier Since 2016
Wuxi Taixie Metal Material Co., Ltd.

Manufacturer/Factory,Trading Company,Group Corporation

Jiangsu, China Since 2016
Chat Now Send Inquiry
Ferroniobium Fenb Alloy Supplier

Ferroniobium Fenb Alloy Supplier

US $ 16,000-20,000 / Ton FOB
1 Ton (MOQ)
More
Main Products: Ferroalloy, Silicomanganese, Ferromangnanese, Rare Metal, Manganese Metal, Aluminum, Ferrosilicon, Silicon Metal
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Inner Mongolia Pusheng Iron &Steel Co., Ltd.

Manufacturer/Factory

Inner Mongolia, China Since 2021
Chat Now Send Inquiry
High Temperature Alloy Addition Ferroniobium Fenb Alloy

High Temperature Alloy Addition Ferroniobium Fenb Alloy

US $ 16,000-20,000 / Ton FOB
1 Ton (MOQ)
More
Alloy : Alloy
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Inner Mongolia Pusheng Iron &Steel Co., Ltd.

Manufacturer/Factory

Inner Mongolia, China Since 2021
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

China Factory Supply Alloy 65% Nb Ferroniobium

China Factory Supply Alloy 65% Nb Ferroniobium

US $ 14,000-18,000 / Ton FOB
1 Ton (MOQ)
More
Main Products: Metal Products, Ferroniobium, Ferrotungsten, Ferromolybdenum, Ferrocobal, Activated Carbon, Graphene, Graphite Electrode, Food Additives, Plastic Particle
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Tianjin Boda Import & Export Co., Ltd.

Trading Company

Tianjin, China Since 2023
Chat Now Send Inquiry
ASTM B468 Uns 08036 Alloy Welded Pipe Manufacturer in China

ASTM B468 Uns 08036 Alloy Welded Pipe Manufacturer in China

US $ 0.65-1.48 / kg FOB
1 kg (MOQ)
More
Shape : Bar
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Shaanxi Jiade Import and Export Co., Ltd.

Manufacturer/Factory

Shaanxi, China Since 2023
Chat Now Send Inquiry
Low Priced Ferrovanadium 50% Ferrovanadium 80% High Vanadium Nitrogen Alloy

Low Priced Ferrovanadium 50% Ferrovanadium 80% High Vanadium Nitrogen Alloy

US $ 4,900-5,500 / Ton FOB
5 Tons (MOQ)
More
Main Products: Copper Wire Scrap, Aluminum Ingot, Zinc Ingot, Lead Ingot, Aluminum Scrap, Copper Cathode, Magnesium Ingot, Tin Ingots, Antimony Ingot, Rare Earth Element Metals
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Hebei Daizong Metal Material Import and Export Co., Ltd.

Manufacturer/Factory,Trading Company

Hebei, China Since 2023
Chat Now Send Inquiry
Lork Manufacture Columbium Alloy Bar 10W -2.5zr, Recrystallized, Uns RO4271 AMS 7855 Columbium Alloy Rod

Lork Manufacture Columbium Alloy Bar 10W -2.5zr, Recrystallized, Uns RO4271 AMS 7855 Columbium Alloy Rod

US $ 70-80 / kg FOB
100 kg (MOQ)
More
Alloy : Alloy
Contact Supplier
Audited Supplier Audited Supplier Since 2024
LORK GROUP CO., LTD

Manufacturer/Factory,Group Corporation

Henan, China Since 2024
Chat Now Send Inquiry
China Factory Supply Alloy 65% Nb Ferroniobium

China Factory Supply Alloy 65% Nb Ferroniobium

US $ 16.1-16.8 / kg FOB
500 kg (MOQ)
More
Main Products: Food Additives, Plant Extract, Sodium Caseinate
Contact Supplier
Since 2024
Tianjin Zhuofeng Biotechnology Co., Ltd.

Manufacturer/Factory

Tianjin, China Since 2024
Chat Now Send Inquiry
High Temperature Alloy Addition Ferroniobium 65%

High Temperature Alloy Addition Ferroniobium 65%

US $ 15.2-15.8 / kg FOB
500 kg (MOQ)
More
Standard : GB
Contact Supplier
Since 2024
Tianjin Zhuofeng Biotechnology Co., Ltd.

Manufacturer/Factory

Tianjin, China Since 2024
Chat Now Send Inquiry
China High Purity Add Alloy Sufficient Spot Niobium

China High Purity Add Alloy Sufficient Spot Niobium

1 kg (MOQ)
More
Main Products: Metal Powder, Rare Metal Powder
Contact Supplier
Beijing Metallurgy and Materials Technology Co., Ltd

Manufacturer/Factory,Trading Company

Beijing, China
Chat Now Send Inquiry
Lork ASTM B393-05/R04200 Niobium Alloy Rod for Aerospace High Temperature Components Nb0032 Niobium Alloy Bar

Lork ASTM B393-05/R04200 Niobium Alloy Rod for Aerospace High Temperature Components Nb0032 Niobium Alloy Bar

US $ 60-80 / kg FOB
100 kg (MOQ)
More
Purity : >99.95%
Contact Supplier
Audited Supplier Audited Supplier Since 2024
LORK GROUP CO., LTD

Manufacturer/Factory,Group Corporation

Henan, China Since 2024
Chat Now Send Inquiry
Lork ASTM B393-05/R04210 Nb Rare Metal Alloy Strip for Nuclear Industry Equipment Nb0031 Niobium Alloy Coil

Lork ASTM B393-05/R04210 Nb Rare Metal Alloy Strip for Nuclear Industry Equipment Nb0031 Niobium Alloy Coil

US $ 70-80 / kg FOB
100 kg (MOQ)
More
Main Products: Super Alloy, Special Steel, Rare Metal Alloy, Aluminum Alloy, Copper Alloy, Precision Capillary, Rare Earth Alloy, Lork New Materials, Other Metal Alloy Materials, Stainless Steel
Contact Supplier
Audited Supplier Audited Supplier Since 2024
LORK GROUP CO., LTD

Manufacturer/Factory,Group Corporation

Henan, China Since 2024
Chat Now Send Inquiry
Polished Bright Pure Niobium 99.95% Bars

Polished Bright Pure Niobium 99.95% Bars

US $ 170-250 / kg FOB
1 kg (MOQ)
More
Standard : GB, ASTM
Contact Supplier
Audited Supplier Audited Supplier Since 2018
LUOYANG MOPEI TUNGSTEN & MOLYBDENUM MATERIAL CO., LTD.

Manufacturer/Factory,Trading Company

Henan, China Since 2018
Chat Now Send Inquiry
Factory Price Sell High Quality Nickel Niobium Alloy Lump with Ninb

Factory Price Sell High Quality Nickel Niobium Alloy Lump with Ninb

1 Piece (MOQ)
More
Main Products: Rare Earth Materials
Contact Supplier
Audited Supplier Audited Supplier Since 2021
CHANGSHA EASCHEM CO., LIMITED

Manufacturer/Factory

Hunan, China Since 2021
Chat Now Send Inquiry
The Manufacturer Supplies Pure Niobium Tubes, Niobium Alloy Plates, Strips, and Niobium

The Manufacturer Supplies Pure Niobium Tubes, Niobium Alloy Plates, Strips, and Niobium

US $ 300 / kg FOB
10 g (MOQ)
More
Certification : ISO9001, CE, CCC, RoHS
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Shenzhen Silver Technologies Ltd

Manufacturer/Factory

Guangdong, China Since 2022
Chat Now Send Inquiry
Ferro Niobium Fenb Alloy Round Plate Alloy Alloy Wire Fiber Laser Welding Machine Niobium Disc Alloy Tube
View More

Related Searches

Titanium Titanium Products Titanium Materials Titanium Sheet Titanium Wire Titanium Alloy Pipe Titanium Flanges Titanium Welding Wire Niobium Wholesale Niobium Alloy

Browse by Categories

Home > Metallurgy, Mineral & Energy > Non-ferrous Metal & Products > Nickel
1/215
TOP

Search Filter

Categories

More Less
  • Nickel
  • Expansion Joint
  • Steel Billet
  • Niobium
  • Alloy Steel
  • Titanium
  • Steel Sheet & Plate
  • Rare Earth & Products
  • Alloy
  • Other Minerals

Alloy

More Less
  • Alloy
  • Non-alloy

Application

More Less
  • Industrial
  • Electronics
  • Aviation
  • Chemical
  • Medical

Powder

More Less
  • Not Powder
  • Powder

Standard

More Less
  • ASTM
  • GB
  • DIN
  • JIS
  • AISI
  • BS

Type

More Less
  • Nickel Bar
  • Nickel Plate
  • Nickel Wire
  • Nickel Pipe
  • Nickel Strip

Company Type

More Less
  • Manufacturer/Factory
  • Trading Company
  • Group Corporation
  • Other

Company Location

More Less
  • Shandong
  • Jiangsu
  • Henan
  • Shanghai
  • Hunan
  • Shanxi
  • Hebei
  • Zhejiang
  • Jiangxi
  • Shaanxi
  • Guangdong
  • Tianjin
  • Sichuan
  • Fujian
  • Inner Mongolia
  • Anhui
  • Hubei
  • Liaoning
  • Beijing
  • Guizhou
  • Hongkong S.A.R.
Reset Done