Commodity Tube

Copper Tube - Types, Standards, Applications, Tempers, and Lengths

Tube type	Color code	Standard	Application¹	Commercially available lengths²
				Nominal or standard sizes	Drawn	Annealed
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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