Specifications Rectangular black для размещения заказа - mitutoyo@mitutoyo-tools.ru Calibration
0 ± 0.02 x 10-6/K (at 20°C) certificate
Appearance ZERO CERA Blocks
Coefficient of 2.5 g/cm3
thermal K Ultra-low Expansion Ceramic Gauge Blocks
expansion*2 Ultra-low thermal expansion fine
Density*2 ceramic • Thermal expansion at 20 ±1°C less than 1/500 that of steel.
Grade*1 Inspection certificate, Calibration • Almost no secular change both in dimension and coefficient of thermal expan-
Material certificate and custom-made
aluminium case sion.
Standard ISO/JIS/DIN and ASME • Light and easy to handle.
accessories • Rust free
826HV10 (by JIS R 1610 "Testing • Magnetization free
Applicable Method for Vickers Hardness of
Standards pcs. High Performance Ceramics")
Vickers
hardness*2 *1 : If you require a grade other
than K, please contact Mitutoyo.
*2 : Value claimed by the material
supplier.
No. Length (mm)
617673-016* 30
617675-016* 50
617681-016* 100
617682-016* 200
617683-016* 300
617684-016* 400
617685-016* 500
617840-016* 600
617841-016* 700
617843-016* 800
617844-016* 900
617845-016* 1000
516-771-60*
Above set
Characteristics comparison of gauge block materials Low expansion CERA BLOCK Steel Tungsten
glass carbide
ZERO CERA
BLOCK
Coefficient of thermal expansion (10-6/K) 0 ± 0.02 *2) *3) 0 ± 0.02 *2) *3) 9.3 ± 0.5 10.8 ± 0.5 5.5 ± 1.0
Thermal conductivity (W/m*K) 3.7 1.7 2.9 54.4 79.5
Specify gravity 2.5 2.55 6.0 7.8 14.8
Young modulus (GPa) 130 90 206 206 618
Poisson ratio 0.3 0.25 0.3 0.3 0.2
Flexural strength (3 points) (MPa) 210 143 1270 1960 1960
Fracture toughness (MPa*m1/2) 1.2 0.69 *4) 7 120 12
Vickers hardness (HV) 826 *3) 680 1350 800 1650
1) Material for Mitutoyo Products
2) Value at 20°C
3) Claimed value by the material supplier
4) Value measured by the material supplier (reference)
The prices listed are suggested retail prices (valid until 31st May 2013). Inch products and combined inch/metric products are generally intended 407
for sale to the United Kingdom only. All products to be sold to commercial customers. Therefore VAT is not included. Product illustrations are
without obligation. Product descriptions respectively capability characteristics are only binding when explicitly agreed upon. * Please contact
Mitutoyo for more information on delivery times. mitutoyo@mitutoyo-tools.ru
www.mitutoyo-tools.ru