Page 715 - Mastik®

T
Conversion tables Gewindestifteolerances / Tables / Standards
Festigkeitsklasse
14 H bis 45 H

Conversion table for units of work, energy and heat
J kJ kWh kcal kpm
1 J = 1 N · m = 1 W · s 1 10 –3 2,78 · 10 –7 2,39 · 10 –4 0,102
1 kJ 1000 1 2,78 · 10 –4 0,239 102
1 kWh 3,6 · 10 6 3,6 · 10 3 1 860 3,67 · 10 5
1 kcal 4,19 · 10 3 4,19 1,16 · 10 –3 1 427
1 kpm 9,81 9,81 · 10 –3 2,72 · 10 –6 2,34 · 10 –3 1

Conversion table for units of power and heat flow
W kW kcal/s kcal/h kpm/s
1 W = 1 N · m/s = 1 J/s 1 10 –3 2,39 · 10 –4 0,860 0,102
1 kW 1000 1 0,239 860 102
1 kcal/s 4,9 · 10 3 4,19 1 3,6 · 10 3 427
1 kcal/h 1,16 1,6 · 10 –3 2,78 · 10 –4 1 0,119
1 kpm/s 9,81 9,81 · 10 –3 2,34 · 10 –3 8,34 1

Conversion table for units of pessure for gases, vapours and liquides
Pa bar kp/m 2 at Torr
2
1 Pa = 1 N/m = 10 N/cm 2 1 10 –5 0,102 1,02 · 10 –5 7,5 · 10 –3
1 bar = 0,1 MPa = 0,1 N/mm 2 10 5 1 1,02 · 10 4 1,02 750
1 kp/m 2 9,81 9,81 · 10 –5 1 10 –4 7,36 · 10 –2
1 at = 1 kp/cm 2 9,81 · 10 4 0,981 10 4 1 736
1 Torr = 1/760 atm 133 1,33 · 10 –3 13,6 1,36 · 10 –3 1

Conversion of the units into SI units
Value Previous unit Symbol New unit Symbol Defining equation
–10
Length Ångström Å meter m 1 Å = 10 m
Pressure mm mercury mm Hg pascal Pa 1 mm Hg = 133,3 Pa
Energy Erg erg joule J 1 erg = 10 J
–7
Power horsepower PS watt W 1 PS = 735,5 W
Dynamic viscosity Poise P pascal second Pa · s 1 P = 0,1 Pa · s / 1c P = 1 m Pa · s
2
2
–4
2
Kineamtic viscosity Stokes St cm / s 1 St = 1 cm /s = 10 m /s
2
Impact value kpm / cm 2 J / cm 2 1 kpm/cm = 9,087 J/cm 2
3
Heat capacity kcal / °C J / K 1 kcal/°C = 4,187 · 10 J/K
Heat conductivity kcal / m.h °C W / K · m 1 kcal/m · h · °C = 1,163 W/K · m
3
Specific heat kcal / kg °C J / kg · K 1 kcal/kg · °C = 4,187 · 10 J/kg · K
Magnetic field strength Oersted Oe ampere / meter A / m 1 Oe = 79,6 A/m
–4
Magnetic flux density Gauss G tesla T 1 G = 10 T
–8
Magnetic flux Maxwell M weber Wb 1 M = 10 Wb
Luminous intensity internat. candle lK candela cd 1 lK = 1,019 cd
4
Luminace Stilb sb cd / m 2 1 sb = 10 cd/m 2
Absorbed dose Rem rem J / kg 1 rem = 0,01 J/kg
Ion dose Röntgen R C / kg 1 R = 2,58 · 10 C/kg
–4
Conversions of part volumes
1 milligram
1 ppm (part per million) per 0,001 g / kg
–3
is 1 part out of 1 million parts kilogramm (10 )
2700 litres
1 ppb (part per billion) 1 mikrogram
is 1 part out of 1 milliard parts per 0,000 001 g / kg
Example: 2,7 million (b = billion, US English for milliard) kilogram (10 )
–6
one lump
litres
of sugar
1 ppt (part per trillion) 1 nanogram
dissolved
is 1 part out of 1 billion parts per 0,000 000 001 g / kg
in:
–9
(t = trillion US English for billion) kilogram (10 )
2,7 billion litres
1 ppq (part per quadrillion) 1 picogram
is 1 part out of 1 billiard parts per 0,000 000 000 001 g / kg
(q = quadrillion US English for billiard) kilogram (10 )
–12
2,7 trillion litres