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.
MTR MTR Available
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Product Information

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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
0.25
Wall
0.02
Inner Diameter
0.21
Length
60
Alloy
304
Temper
Full Hard
Gauge
1/4x0.020
Metal Type
Stainless Steel
Shape
Tube-Hypodermic
Brand
RoundWorks
Weight/Lineal Foot
1.988 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 0.25 inches, a wall thickness of 0.02 inches, and an inner diameter of 0.21 inches. It is made from 304 stainless steel in a full hard temper, providing a Rockwell hardness of 41 and Brinell hardness of 371.

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 offered in 60-inch lengths, typically sold in packs of 8 pieces. Custom cutting options are not specified for this item.

Yes, a material test report (MTR) is available for this product, ensuring traceability and quality assurance.

The tube pack weighs approximately 1.988 pounds and is currently in stock, ready for immediate shipment.

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