• 89Nb-10Hf-1Ti round bar
  • 89Nb-10Hf-1Ti forging
  • 89Nb-10Hf-1Ti sheet
  • 89Nb-10Hf-1Ti flat bar
  • 89Nb-10Hf-1Ti pipe
Home > Ti Alloy > 89Nb-10Hf-1Ti


We can produce 89Nb-10Hf-1Ti stainless steel round rods, 89Nb-10Hf-1Ti forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control 89Nb-10Hf-1Ti chemical composition and 89Nb-10Hf-1Ti mechanical properties.From casting, forging, steel to hot and cold rolling process, heat treatment, etc, we have the control of professional engineers. We have advanced precision machining equipment, according to the requirements of users machining. in order to achieve the most satisfied with the user requirements.

Production specification

Round bar steel: 1mm to 3500mm
Square-shape steel: 1mm to 4000mm
Plate steel:0.1mm to 4000mm
Width: 10mm to 2500mm
Lenth: We can supply any lenth based on the customer's requirement.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Tubings: OD: φ6-1800mm, with wall thickness ranging from 1-35 mm.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirementExcellent service for all kinds of industries,with advantages of technologies, equipment and price.
We serve you with our honesty, integrity, and professionality.


Subcategory: Metal; Niobium Alloy; Nonferrous Metal; Refractory Metal

Key Words: Columbium Alloy

Component Wt. % 
C Max 0.01  
H Max 0.002  
Hf 9 - 11  
N  Max 0.03  
 Component Wt. % 
Nb 89  
O Max 0.03  
Ta Max 0.5  
 Component Wt. % 
Ti 0.7 - 1.3  
W Max 0.5  
Zr Max 0.7  


Physical Properties Metric English Comments
Density 8.87 g/cc 0.32 lb/in³  

Mechanical Properties
Hardness, Brinell 219 219 Estimated from Vickers
Hardness, Knoop 243 243 Estimated from Vickers
Hardness, Rockwell B 97 97 Estimated from Vickers
Hardness, Rockwell C 18 18 Estimated from Vickers
Hardness, Vickers 230 230 Typical for Cb-103; Heat Treatment Unknown
Tensile Strength, Ultimate 640 MPa 92800 psi  
Tensile Strength, Ultimate at Elevated Temperature 185 MPa 26800 psi 1093°C
Tensile Strength, Yield 605 MPa 87700 psi  
Elongation at Break 9 % 9 % in 25 mm
Modulus of Elasticity 87 GPa 12600 ksi  

Thermal Properties
CTE, linear 20°C 8.1 µm/m-°C 4.5 µin/in-°F 20-1205°C
CTE, linear 250°C 8.1 µm/m-°C 4.5 µin/in-°F 20-1205°C
CTE, linear 500°C 8.1 µm/m-°C 4.5 µin/in-°F 20-1205°C
CTE, linear 1000°C 8.1 µm/m-°C 4.5 µin/in-°F 20-1205°C
Specific Heat Capacity 0.34 J/g-°C 0.0813 BTU/lb-°F  
Thermal Conductivity 41.9 W/m-K 291 BTU-in/hr-ft²-°F  
Melting Point Max 2350 °C Max 4260 °F Liquidus
Liquidus 2350 °C 4260 °F  

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