Small outer diameter hypodermic stainless steel 304 round tube is a highly polished, thin-walled tube with a narrow external diameter. Its precision-engineered dimensions and smooth surface make it ideal for applications requiring precise fluid delivery or insertion into small spaces. This tube is often used in medical devices, such as needles and catheters, as well as in industrial applications, such as microfluidics and analytical instruments.
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Product Information

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Please note:

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Please note that this data is to be used ONLY FOR REFERENCE, NOT FOR DESIGN, and by using it,you agree that any decisions you make regarding materials for your project are at your own discretion.
Outer Diameter
0.032
Wall
0.0015
Inner Diameter
0.029
Length
60
Alloy
304
Temper
Full Hard
Gauge
21G-XXTW
Metal Type
Stainless Steel
Shape
Tube-Hypodermic
Brand
RoundWorks
Weight/Lineal Foot
0.016 pounds
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Mechanical Properties

Density g/cm^3
8
Ultimate Tensile Strength KSI
186 min
Yield Tensile Strength KSI
140 min
Elongation % in 2 in.
1 min
Melting Point °F
2550 - 2651
Rockwell Hardness C Scale
41
Brinell Hardness 3000 kg load
371
Electrical Conductivity % IACS
2
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Chemistry Information : 304 Stainless Steel

Element
Percentage
Element
Percentage
Element
Percentage
C
0.08  max
Cr
20
Fe
66.34 - 74
Ni
8 - 10.5
Mn
2  max
P
0.045  max
S
0.03  max
Si
1  max

This hypodermic tube has an outer diameter of 0.032 inches, a wall thickness of 0.0015 inches, and an inner diameter of 0.029 inches. It is made from 304 stainless steel with a full hard temper, providing strength and durability for precise applications.

Yes, the tube's highly polished, thin-walled design and precise dimensions make it ideal for medical devices like needles and catheters, as well as industrial uses such as microfluidics and analytical instruments.

This product is sold in 60-inch lengths and comes in packs of 8 pieces. Custom cutting options are not specified, so it is recommended to order the standard length or contact the seller for special requests.

The product is currently in stock and ships as a pack weighing approximately 0.016 pounds, making it lightweight and easy to handle.

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