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호칭

외경

외경의 허용 오차

두께(m/m)

허용두께차

소켓을 포함하지 않은 중량

A B m/m 테이퍼나사관 기타관 KS JIS kg/m
10 17.3 ±0.5mm 2.35 2.3 +규정하지 않음
-12.5%
0.866
15 ½ 21.7 ±0.5mm 2.65 2.8 1.25
20 ¾ 27.2 ±0.5mm 2.65 2.8 1.60
25 1 34.0 ±0.5mm 3.25 3.2 2.45
32 42.7 ±0.5mm 3.25 3.5 3.16
40 48.6 ±0.5mm 3.25 3.5 3.63
50 2 60.5 ±0.5mm ±1% 3.65 3.8 5.12
65 76.3 ±0.7mm ±1% 3.65 4.2

6.34

80 3 89.1 ±0.8mm ±1% 4.05 4.2

8.49

90 101.6 ±0.8mm ±1% 4.05 4.2

9.74

100 4 114.3 ±0.8mm ±1% 4.50 4.2

12.2

125 5 139.8 ±0.8mm ±1% 4.85 4.5

16.1

150 6 165.2 ±0.8mm ±1% 4.85 5.0

19.2

200 8 216.3 ±1.0mm ±1% 5.85 5.8

30.4

250 10 267.4 ±1.3mm ±1% 6.40 6.6

41.2

300 12 318.5 ±1.5mm ±1% 7.00 6.9

53.8

350 14 355.6   ±1% 7.60 7.9

65.2

400 16 406.4   ±1% 7.90 7.9

77.6

450 18 457.2   ±1% 7.90 7.9

87.5

500 20 508.0   ±1% 7.90 7.9

97.4

550 22 558.5   ±1% 7.90  

107

600 24 609.6   ±1% 7.90  

117

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