Tolerante uzuale ISO

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Cele mai uzuale tolerante ISO pentru bare si tevi din otel cromate
Toleranta ISO h6 g6 h7 f7 f8
Diametru ext. Ø (mm) Sup .(µm) Inf. (µm) Sup. (µm) Inf. (µm) Sup. (µm) Inf. (µm) Sup. (µm) Inf. (µm) Sup. (µm) Inf. (µm)
3< Ø ≤ 6 0 -8 -4 -12 0 -12 -10 -22 -10 28
6< Ø ≤ 10 0 -9 -5 -14 0 -15 -13 -28 -13 -35
10< Ø ≤18 0 -11 -6 -17 0 -18 -16 -34 -16 -43
18< Ø ≤ 30 0 -13 -7 -20 0 -21 -20 -41 -20 -53
30< Ø ≤ 50 0 -16 -9 -25 0 -25 -25 -50 -25 -64
50< Ø ≤ 80 0 -19 -10 -29 0 -30 -30 -60 -30 -76
80< Ø ≤ 120 0 -22 -12 -34 0 -35 -36 -71 -36 -90
120< Ø ≤ 180 0 -25 -14 -39 0 -40 -43 -83 -43 -106
180< Ø ≤ 250 0 -29 -15 -44 0 -46 -50 -96 -50 -122

Cele mai uzuale tolerante ISO pentru Diametre interioare prelucrate la Tevi
Toleranta ISO H8 H9 H10
DI (mm) Inf. (µm) Sup. (µm) Inf. (µm) Sup. (µm) Inf. (µm) Sup. (µm)
18÷30 0 +33 0 +52 0 +84
30÷50 0 +39 0 +62 0 +100
51÷80 0 +46 0 +74 0 +120
81÷120 0 +54 0 +87 0 +140
121÷180 0 +63 0 +100 0 +160
181÷250 0 +72 0 +115 0 +185
251÷315 0 +81 0 +130 0 +210
316÷400 0 +89 0 +140 0 +230