浜у搧鎼滅储
鏉愭枡 >> 閲戝睘鏉愭枡
閽ㄦ, W, 20mm鐩村緞
閽ㄦ, W, 20mm鐩村緞鍥剧墖
鍝佺墝: Goodfellow
绾害鍚噺: 99.95%
浜у湴: 鑻卞浗
绱㈠彇璧勬枡鍙婃姤浠饵/span>
鍝佺墝: Goodfellow
绾害鍚噺: 99.95%
浜у湴: 鑻卞浗
浜у搧浠嬬粛
璁㈣揣鍙饵/strong> 鍖呰瑙勬牸
Length (Round)
304-435-54 18 mm

浜у搧鍙傛暟

Diameter[鐩村緞] 20mm
Length[闀垮害] 18 mm
Production Method[鐢熶骇鏂规硶] Centreless Ground
Purity[绾害] 99.95%
Typical Analysis(鍏稿瀷鍒嗘瀽)
C 30 PPM
Ca <20 PPM
Cu <20 PPM
Fe 20 PPM
H 6 PPM
Mg <10 PPM
Mo 150 PPM
N 10 PPM
Ni <20 PPM
O 30 PPM
Pb <50 PPM
Si <50 PPM
Sn <30 PPM
Ti <20 PPM
Mechanical Properties(鏈烘鎬ц兘)
Bulk modulus ( GPa ) ( Hard ) 311.0
Bulk modulus ( GPa ) ( Soft ) 311.0
Hardness - Vickers ( kgf mm?? ) ( Hard ) 500
Hardness - Vickers ( kgf mm?? ) ( Soft ) 360
Material condition Soft
Material condition Hard
Poisson's ratio ( Hard ) 0.280
Poisson's ratio ( Soft ) 0.280
Tensile modulus ( GPa ) ( Hard ) 411.00
Tensile modulus ( GPa ) ( Soft ) 411.00
Tensile strength ( MPa ) ( Hard ) 1920.00
Tensile strength ( MPa ) ( Soft ) 550.00 - 620.00
Yield strength ( MPa ) ( Soft ) 550.0
Atomic Properties(鍘熷瓙灞炴€?
Atomic number 74
Atomic weight ( amu ) 183.85000
Crystal structure Body Centred Cubic
Electronic structure Xe4f??5d?6s?
Ionisation potential ( No./eV ) 1 / 7.98
Ionisation potential ( No./eV ) 2 / 17.7
Natural isotope distribution ( Mass No./% ) 183 / 14.3
Natural isotope distribution ( Mass No./% ) 182 / 26.3
Natural isotope distribution ( Mass No./% ) 186 / 28.6
Natural isotope distribution ( Mass No./% ) 180 / 0.1
Natural isotope distribution ( Mass No./% ) 184 / 30.7
Photo-electric work function ( eV ) 4.55
Thermal neutron absorption cross-section ( Barns ) 18.5000
Valences shown 2 ,3,4,5,6
Electrical Properties(鐢垫皵鐗规€?
Electrical resistivity ( 渭Ohmcm ) 5.4@20鈩傸/td>
Superconductivity critical temperature ( K ) 0.0154
Temperature coefficient ( K?? ) 0.00480 @0-100鈩傸/td>
Thermal emf against Pt (cold 0C - hot 100C) ( mV ) 1.12
Thermal Properties(鐑€ц兘)
Coefficient of thermal expansion ( x10?? K?? ) 4.500 @0-100鈩傸/td>
Latent heat of evaporation ( J g?? ) 4009
Latent heat of fusion ( J g?? ) 192.00
Melting point ( C ) 3410.00
Specific heat ( J K?? kg?? ) 133.0 @25鈩傸/td>
Thermal conductivity ( W m?? K?? ) 173.00 @0-100鈩傸/td>
Physical Properties(鐗╃悊鎬ц川)
Boiling point ( C ) 5660
Density ( g cm?? ) 19.300 @20鈩傸/td>

鍏朵粬鍙傛暟

鍏樊

鐩村緞 鈮?0mm ±10%
鑱氬悎鐗?/td> +20% / -10%
闄剁摲 +20% / -10%
>10mm ±5%
闄剁摲 +20% / -10%
鑱氬悎鐗?/td> +20% / -10%
闀垮害 <100mm ±1mm
鈮?00mm +5% / -1%
鐩稿叧浜у搧
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