“Asosiy texnologik jarayonlar va qurilmalar”

FARG‘ONA – 20---
2 - ILOVA
O‘lchov birliklari o‘rtasidagi nisbatlar

Kattaliklar nomi	SI ga binoan birligi	SI birliklariga o‘tkazish koeffitsientlari
Harorat	K	T = ( t + 273,15 )
Og‘irlik kuchi	N	1kgk = 9,81 N 1 dina =10^5 N
Dinamik qovushqoqlik	Pas	1texnik kuch = 9,8110^3 N 1 Puaz = 10^-8 Pas 1 sP = 10^3 Pas 1 kgk/m^2 = 9,81 Pas
Kinematik qovushqoqlik	m^2/c	1st (Stoks) = 10^-4 m^2/c
Bosim	Pa	1 kgk/cm^2 = 1 atm = 9,8110^4 Pa = = 735 mm simob ustuni 1 kgk/m^2 = 9,81 Pa 1 atm = 1,033 kgk/m^2 = 1,01110^4 Pa = = 760 mm sim ustuni = 10,33 m suv ustuni 1 bar = 10^5 Pa
Quvvat	Vt	1 kgkm/s = 9,81 Vt 1 erg/s = 10^-7 Vt 1 kkal/soat = 1,163 Vt
Hajm	m^3	1 l = 10^-3 m^3 = 1 dm^3
Zichlik	kg/m^3	1 t/m^3 = 1 kg/dm^3 = 1 g/sm^3 = 10^3 kg/m^3
Hajmiy sarf	m^3/c	1 l/min = 16,6710^-6m^3/s
Solishtirma issiqlik sig‘imi	J/kgK	1 kkal/kg^oS = 4,19 kJ/kgK
Issiqlik berish, o‘tkazish koeffitsientlari	Vt/m^2K	1 kkal/m^2soat^oS = 1,163 Vt/m^2K
Issiqlik o‘tkazuvchanlik koeffitsienti	Vt/mK	1 kkal/msoat^oS = 1,163 Vt/mK
Solishtirma entalpiya	J/kg	1 kkal/kg = 1 kal/g = 4,19 kJ/kg
Solishtirma og‘irlik	N/m^3	1 kgk/m = 1,163 N/m^3

3 - ILOVA

Old qo‘shimchali birliklar

Tera (T)	10^12	Santi (s)	10^-2
Giga (G)	10^9	Milli (m)	10^-4
Mega (M)	10^6	Mikro (mk)	10^-6
Kilo (K)	10^3	Nano (n)	10^-9
Desi (d)	10^-1	Piko (p)	10^-12

4 - ILOVA

Oddiy uglerodli po‘latning mexaniq tavsifi

Markasi	v	t	S %	Markasi	v	t		S%
	kgk/mm^2				kgk/mm^2
St. 0 St. 1kp St. 2 ps St. 3 kp	31 31-40 34-40 37-47	- - 23 24	23 35 32 27	St. 4kp St. 4 ps St. 5 Gps St. 5 ps	41-55 50-64 46-60 60		26 29 29 32	25 20 20 15

Uglerodli sifatli konstruksion po‘latning mexaniq tavsifi

Markasi	t		v	S %	dn kgk/sm^2	nv
	Kgk/sm^2
ST 08 ST 10 ST 15 ST 25 ST 35 ST 45	20 21 23 28 32 36	33 34 38 46 54 61		33 31 27 23 20 16	- 5.5-6.5 9 7 5	131 143 149 170 207 197

Legirlangan po‘latning mexaniq tavsifi

Markasi	t	v	S %	dn kgk/sm^2	NV
	kgk/sm^2
SM 15 X SM 20 X SM 35 X SM 20 XGSA SM 20 XGN SM 40 X SM 50 X 18 XGT 30 XGT	50 65 75 65 110 80 90 90 130	70 80 93 80 130 100 110 100 150	12 11 11 12 10 10 9 9 9	7 6 7 7 9 6 4 8 6	179 179 197 207 - 217 229 217 229