China stainless stainless steel heat exchanger Supplier, Factory

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China stainless stainless steel heat exchanger Supplier, Factory

Short Description:

Descreption: stainless steel seamless coil tube

Grade: 201 304 304L 316 316L 2205 2507 625 825 ect

Size: 6-25.4mm Thickness:0.2-2mm

Length: 600-3500M/coilStandard: ASTM A269 A249 SUS DIN JIS GBSurface : 2B 8k Bright anneald Test : Yield strength, Tensile strength, Hardness ,Hydrapress Measurement Guarantee&Inspection : The Third Party &Cetification Advantage: We are a manufacturer . Lowest Price and Good Quantity

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Product Description

Product Specifications & Features

Standards & Type ASTM, AISI, DIN, EN, GB, JIS | Seamless

Steel Grade 300 series, 600 series, 800 series

Dimensions Thickness: 0.05-6.5mm / 0.2-3mm
Outer Diameter: 3.18mm-51mm / 6-50.8mm

Welding & State Welding Line Type: BV
State: Soft / Half Hard / Soft Bright Annealing

Packaging Wooden case for stainless steel tube. Wrapped in shaft and packed with plastic or custom packing.

Specifications & Capacity Stainless steel coiled tubing. Max: 3500M per piece according to customer requirements.

Tolerance Range Diameter: +0.1mm, Wall Thickness: +10%, Length: -0/+6mm
OD ±0.1mm, Wall Thickness: ±10%, Length: ±5mm

Advantages & Sizes Surface polishing and fine, uniform wall thickness, tolerance precision, etc. Common sizes produced as your request.

Application Used in precision instruments, refrigeration equipment, evaporator, gas liquid delivery, condenser, beverage machine.

Technical Specifications Table

Parameter	Details
Name	High precision stainless steel capillary tube
Standards	ASTM A554, A312, A249, A269 and A270
Material grade	304, 304L, 316, 316L, 202, 2010, 825, 625, 2507, 2205, 25mm-6mm
Out diameter	6-25.4mm
Thickness	0.2-3mm
Length	6m or as customers’ request
Tolerance	a) Outer diameter: +/- 0.1mm b) Thickness: +/- 0.01mm c) Length: +/- 6mm
Surface	180G, 320G satin/hairline (matt finish, brush, dull finish), 400G, 600G Mirror finish
Application	1) Scientific research 2) Medical device: Injection needles 3) Chemical industry 4) Thermal conductivity temperature control device 5) Telecom device: miniature antenna tube
Test	Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT
Payment	30% T/T as deposit, the balance before shipment or L/C
Delivery time	10~30 days, according to the order quantity
Packing	Bundled with knitted plastic bag, wooden cases or according to customers’ request

Frequently Asked Questions

What standards do these stainless steel capillary tubes comply with?

Our stainless steel tubes comply with international manufacturing standards, including ASTM A554, A312, A249, A269, A270, AISI, DIN, EN, GB, and JIS.

Which material grades are available for these tubes?

We offer a wide range of steel grades including 300 series, 600 series, 800 series, and specific grades such as 304, 304L, 316, 316L, 202, 2010, 825, 625, 2507, and 2205.

What are the primary applications of your stainless steel coiled and capillary tubing?

These tubes are widely used in precision instruments, refrigeration equipment, evaporators, condensers, beverage machines, gas-liquid delivery systems, scientific research, medical devices (such as injection needles), chemical industries, thermal conductivity control devices, and miniature antenna tubes for telecom equipment.

What are the tolerance ranges for the capillary tubes?

For high-precision needs, the tolerances are controlled within: Outer Diameter +/- 0.1mm, Thickness +/- 0.01mm (or +/- 10%), and Length +/- 6mm (or +/- 5mm).

What is the maximum length available for coiled tubes?

We can supply continuous coiled tubing up to a maximum length of 3500 meters per piece, fully customizable according to customer requirements.

What options are available for product packaging?

The products can be wrapped in shafts and packed with plastic, packed in robust wooden cases specially designed for stainless steel tubes, bundled with knitted plastic bags, or prepared with custom packaging based on your specific requirements.