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Seamless 316 Stainless Steel Tubing, 0.50 Inch OD, 0.07 Inch Thick, 0.37 Inch ID

Description & Features

Marmon/Keystone offers high-quality seamless 316 stainless steel tubing with an outside diameter of 0.50 inches, a wall thickness of 0.07 inches, and an inside diameter of 0.37 inches. This tubing meets ASTM A269 B90 standards and is rated for a maximum working pressure of 3250 PSI, ensuring reliability in demanding applications.

With a burst pressure of 19500 PSI and a tensile strength of 75,000 PSI, the tubing delivers the durability required for industrial uses. The inside area measures 0.1075 square inches, and it supports a rated flow of 4.9 GPM, making it suitable for various high-pressure systems.

Constructed from bright annealed seamless 316 stainless steel, this tubing is designed to resist corrosion and maintain structural integrity under harsh conditions. It adheres to the conservative Barlow formula, ensuring a high safety factor of 6:1 for secure and dependable performance.

Supplier Part Number: 1/2.065-SS

Specifications

Burst Pressure 19500	Brand Marmon/Keystone	Brand Marmon - Keystone	Pack Size 12.00	UOM FT	I.D. 0.37 in	Inside Area 0.11	Maximum Working Pressure 3250	O.D. 0.5 in	Rated Flow 4.90	Rated Flow 4.9	Safety Factor 6:1	Supplier Part Number 1/2.065-SS	Wall Thickness 0.07	Alternate Part Numbers Alternate Part Number 1/2.065-316SS-BR, Alternate Part Number C1AE78	Product Weight 0.39 lbs

Similar Products

Model Number	O.D.	Wall Thickness	I.D.	Inside Area	Rated Flow	Maximum Working Pressure	Burst Pressure	Safety Factor
1/4.035-SS Seamless 316 Stainless Tubing	0.25 in	0.035	0.18 in	0.0254	0.9	3500	21000	6:1
1/2.049-SS Seamless 316 Stainless Tubing	0.5 in	0.049	0.402 in	0.1269	6	2450	14700	6:1
1/4.049-SS Seamless 316 Stainless Tubing	0.25 in	0.049	0.152 in	0.0181	0.7	4900	29400	6:1
3/4.065-SS Seamless 316 Stainless Tubing	0.75 in	0.065	0.62 in	0.3018	12	2167	13000	6:1
3/8.049-SS Seamless 316 Stainless Tubing	0.375 in	0.049	0.277 in	0.0602	2.8	3267	19600	6:1
5/8.065-SS Seamless 316 Stainless Tubing	0.5625 in	0.065	0.4325 in	0.1923	9	2600	15600	6:1
1-1/4.120-SS Seamless 316 Stainless Tubing	1.25 in	0.12	1.01 in	0.8008	36.7	2400	14400	6:1
1.109-SS Seamless 316 Stainless Tubing	1 in	0.109	0.788 in	0.4801	22	2725	16350	6:1
1/2.065-SS Seamless 316 Stainless Tubing	0.5 in	0.065	0.37 in	0.1075	4.9	3250	19500	6:1
3/16.035-SS Seamless 316 Stainless Tubing	0.1875 in	0.035	0.1175 in	0.0108	0.4	4667	28000	6:1
3/4.095-SS Seamless 316 Stainless Tubing	0.75 in	0.095	0.56 in	0.2462	11.1	3167	19000	6:1
3/8.035-SS Seamless 316 Stainless Tubing	0.375 in	0.035	0.305 in	0.0731	3.4	2333	14000	6:1

Product Questions & Answers (1)

Question by: Johnny H on Aug 8, 2025, 10:04 AM

got a line that sees some pressure spikes. what’s the working pressure and what’s it burst at on this 1/2 stainless tube?

Answer by: Customer Support on Aug 10, 2025, 6:42 AM

For limits, it’s rated 3250 PSI maximum working pressure with a 19500 PSI burst pressure. The pressure numbers are based on the conservative Barlow formula and a 6:1 safety factor.