Stainless steel seamless capillary tubing
Stainless steel seamless capillary tubing is manufactured with high precision, smooth inner surface, and excellent corrosion resistance, making it ideal for medical instruments, sensors, probes, chromatography systems, and industrial automation equipment. Available in 304, 316L and other stainless steel grades, these seamless tubes provide tight dimensional tolerances, high pressure resistance, and reliable fluid or gas transfer performance. Custom diameters and lengths can be supplied to meet specific application requirements.
Product name: 304 316L Stainless steel seamless tube with small diameter
Standard: ASTM A269, A312,A213,A249,A790
Material grade: 304/304L,316L,321,310S,904L
Outer diameter: 5mm ~ 16mm
Wall thickness: 0.5mm ~ 5mm
Length: unfixed or fixed as per customer request
Tolerance:
a)Outer diameter: +-0.05~+-0.2mm
b)Wall thickness: +-10% or as customer’s request
c)Length: ≤ +-10mm
Surface: Satin,hairline,polish,mirror surface,pickling
Application: Decoration,medical,industry,oil,machinery,etc..
Packing: Plastic bag,woven packing,carton,wooden case(please send details packing to us if you have special requests)
Payment term: T/T before shipment
Element | 202 | 316 | S32750 | ||||||||||||
≤0.15 | ≤0.08 | ≤0.030 | Si | ≤1.00 | ≤1.00 | ≤0.80 | |||||||||
5.5-7.5 | ≤2.00 | ≤2.00 | P | ≤0.060 | ≤0.045 | ≤0.035 | |||||||||
≤0.030 | ≤0.030 | ≤0.020 | Cr | 17-19 | 16-18 | 21-23 | |||||||||
3.5-5.5 | 42958 | 4.5-6.5 | Mo |
| 2.0-3.0 | 3.0-5.0 | |||||||||
≤0.25 |
| 0.08-0.2 | Cu |
|
| ≤0.50 | |||||||||
Material Item | 202 | 316 | Tensile Strength (MPa) | ≥620 | ≥515 | Yield Strength (MPa) | ≥310 | ≥205 | Elongation (%) | ≥35 | ≥35 | Hardness (HV) | ≤230 | ≤200 | <span style="font-family:" font-size:14px;"="">≤303 |
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