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HOME > PRODUCT > Copper Processing

Copper Processing

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Products can be modified by the needs of customer

  • Bending Specification
Tube Size Bending (R) Min (mm)
mm Inch 10 15 20 25 30 35 40
4.76 3/16" ●
6.35 1/4" ●
7.00 - ●
7.94 5/16" ●
9.52 3/8" ●
12.70 1/2" ●
15.88 5/8" ●
19.05 3/4" ●
22.25 7/8" ●
25.40 1" ●
  • Forming Specification Type 1
Tube Size Min
E		 Min
F		 Min Inside (ID)
mm Inch mm mm 3/16" 1/4" - 5/16" 3/8" 1/2" 5/8" 3/4" 7/8" 1"
4.76 3/16" 100 5 ●
6.35 1/4" 100 5 ●
7.00 - 100 5 ●
7.94 5/16" 100 5 ●
9.52 3/8" 100 5 ●
12.70 1/2" 100 5 ●
15.88 5/8" 100 5 ●
19.05 3/4" 100 5 ●
22.25 7/8" 150 5 ●
25.40 1" 150 5 ●
  • Welding Specification
Tube Size Welding
mm Inch Manual Oxygen Auto Oxygen High Oxygen Hydrogen
4.76 3/16" ● ● ● ●
6.35 1/4" ● ● ● ●
7.00 - ● ● ● ●
7.94 5/16" ● ● ● ●
9.52 3/8" ● ● ● ●
12.70 1/2" ● ● ● ●
15.88 5/8" ● ● ● ●
19.05 3/4" ● ● ● ●
22.25 7/8" ● ● ● ●
25.40 1" ● ● ● ●
  • Forming Specification Type 2
Tube Size Min E F Min Outside(OD)
Min Max
mm Inch mm mm mm 3/16" 5/16" 3/8" 1/2" 5/8" 3/4"
4.76 3/16" 100 5 10
6.35 1/4" 100 5 10 ●
7.00 - 100 5 10 ●
7.94 5/16" 100 5 10 ●
9.52 3/8" 100 5 10 ●
12.70 1/2" 100 5 20 ●
15.88 5/8" 100 5 25 ●
19.05 3/4" 100 5 25 ●
22.25 7/8" 150 5 25 ●
25.40 1" 150 5 25 ●