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TUBE

Specialist supplier of marine valves.

Stainless SteelCarbon SteelCopper Steel
Copper Steel Tubes
Copper Steel Tubes - Japanese & U.S Standard
According to JIS H3300 C1200T, ASTM B88 UNS C12200

Copper Steel Tubes
JIS H3300 C1220 ASTM B88 UNS C12200
Nominal Diameter (A) OD TH'K Nominal Diameter (A) Nominal Diameter (B) OD TH'K (㎜)
(㎜) (㎜) (㎜) "K" "L" "M"
4 6 1.2 - - - - - -
5 8 1.2 - - - - - -
6 10 1.2 8 1/4 9.52 0.89 0.76 -
8 12 1.2 10 3/8 12.7 1.24 0.89 0.64
10 15 1.4 15 1/2 15.88 1.24 1.02 0.71
15 20 1.6 - 5/8 19.05 1.24 1.07 -
20 25 1.6 20 3/4 22.22 1.65 1.14 0.81
25 30 1.6 25 1 28.58 1.65 1.27 0.89
32 35 1.6 32 1 1/4 34.92 1.65 1.40 1.07
40 45 2.0 40 1 1/2 41.28 1.83 1.52 1.24
50 55 2.0 50 2 53.98 2.11 1.78 1.47
65 70 2.0 65 2 1/2 66.68 2.41 2.03 1.65
80 85 2.5 80 3 79.38 2.77 2.29 1.83
100 110 3.0 90 3 1/2 92.08 3.05 2.54 2.11
125 140 3.0 100 4 104.8 3.40 2.79 2.41
- - - 125 5 130.2 4.06 3.18 2.77
- - - 150 6 155.6 4.88 3.56 3.10
- - - 200 8 206.4 6.88 5.08 4.32
- - - 250 10 257.2 - 6.35 -