Commodity Tube

Copper Tube - Types, Standards, Applications, Tempers, and Lengths
Tube typeColor codeStandardApplication¹Commercially available lengths²
Nominal or standard sizesDrawnAnnealed
Type K Green ASTM B 88³ - Domestic water service and distribution
- Fire protection
- Solar
- Fuel/fuel oil
- HVAC
- Snow melting
Straight lengths:
1/ 4 inch to 8 inch 20 ft. 20 ft.
10 inch 18 ft. 18 ft.
12 inch 12 ft. 12 ft.
Coils:
1/ 4 inch to 1 inch 60 ft.
100 ft.
1 1/ 4 inch and
1 1/ 2 inch
60 ft.
2 inch 40 ft.
45 ft.
Type L Blue ASTM B 88 - Domestic water service and distribution
- Fire protection
- Solar
- Fuel/fuel oil
- Natural Gas
- Liquefied petroleum (LP) gas
- HVAC
- Snow melting
Straight lengths:
1/ 4 inch to 8 inch 20 ft. 20 ft.
12 inch 18 ft. 18 ft.
Coils:
1/ 4 to 1 inch 60 ft.
100 ft.
1 ¼ inch to 1 ½ inch 60 ft.
2 inch 40 ft.
45 ft.
Type M Red ASTM B 88 - Domestic water service and distribution
- Fire protection
- Solar
- Fuel/fuel oil
- HVAC
- Snow melting
Straight lengths:
¼ inch to 12 inch 20 ft. N/A
DWV Yellow ASTM B 306 - Drain, waste, vent
- Solar
- HVAC
Straight lengths:
1 ¼ inch to 8 inch 20 ft. N/A
ACR Blue ASTM B 280 - Air conditioning
- Refrigeration
- Natural gas
- Liquefied petroleum (LP) gas
Straight lengths:
3/8 inch to 4 1/8 inch 20 ft. 4
Coils:
1/8 inch 1 5/8 inch 50
OXY, MED
OXY/MED
OXY/ACR
ACR/MED
(K) Green
(L) Blue
ASTM B 819 - Medical gas Straight lengths:
¼ inch to 8 inch 20 ft. N/A
1. There are many other copper and copper alloy tubes and pipes available for specialized applications. For information on these products, contact the Copper Development Association, Inc.
2. Individual manufacturers may have commercially available lengths in addition to those shown in this table.
3. Tube made to other ASTM standards is also intended for plumbing applications, although ASTM B 88 is by far the most widely used. ASTM Standard Classifications B 698 lists six plumbing tube standards including B 88.
4. Available as special order only.
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