316 25mm 20mm Small Diameter Capillary Stainless Steel Tube Needle Tube Thin Wall Stainless Steel Capillary Seamless Pipe Tube

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Product Description

Basic Information
Model NO.
Capillary tube
Type
Precision Stainless Steel Capillary Pipe
Technique
Forged/Hot Rolled/Cold Drawn
Material
Ss Stainless Steel
Surface
Polished
Usage
Food/Medical/Electrical Industry
Section Shape
Round
Certificate
ISO, ABS, BV, CCS, DNV, LR, GL
Size Range
OD: 1.0-3.5; WT: 0.1-10
Capacity
1000 Ton/Month
Product Description

Specializing in stainless steel pipe and tube, precision capillary tube, plate, sheet, rod, and bar. Materials include Austenitic stainless steel, Ferritic steel, Nickel, Nickel-based alloy, Inconel, Incoloy, and Hastelloy.

💡 Key Features:
High-Quality Material: Precision steel guaranteeing durability.
Precise Capillary Sleeve: Optimal performance for tight-fit applications.
Seamless Design: Ensures smooth flow and reduces leak risks.
Nominal Outer Diameter (mm) General Tolerance (PA) High Level Tolerance (PC)
≤ 1.00±0.03±0.02
1.00 ~ 2.00±0.04±0.02
> 2.00±0.05±0.03
Material Grades Coverage
300 Series: 304, 304L, 316, 316L, 321, 347, 310S
Duplex: S31803, S32205, S32750 (Super Duplex)
Nickel Alloys: Inconel 600/625, Hastelloy C276, Monel 400
Incoloy: 800, 800H, 825, 718
Surface Finish Standards
Finish Definition Application
2BCold rolled, heat treated, pickledMedical, Food, Construction
BABright heat treatment after cold rollingKitchenware, Electric equipment
NO.4Polished with 150-180 mesh abrasivesMedical, Food machinery
Detailed Photos
Production & Equipment
Industrial Application

Widely used in medical appliances, food processing, heat exchangers, automotive parts, aerospace components, and chemical engineering pipelines.

Application Gallery
Packaging & Shipping
Frequently Asked Questions
What materials are available for the capillary tubes?
We offer a wide range including 300 series austenitic, duplex steel, Inconel, Hastelloy, and Nickel alloys.
What is the standard size range?
Outer diameter ranges from 1.0mm to 3.5mm, with wall thickness from 0.1mm to 10mm.
Which industries use these precision tubes?
Main applications include medical instruments, food processing, automotive, aerospace, and chemical industries.
What surface finishes do you provide?
We provide 2B, BA (Bright Annealing), EP (Electropolishing), and MP (Mechanical Polishing) finishes.
How are the products packaged for transport?
Products are typically packed in plastic bags, weaving bags, or wooden cases to ensure safety during transit.

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