Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers

US$600.00
1-9 Tons
US$500.00
10-99 Tons
US$390.00
100+ Tons
Product Details
Customization: Available
Type: Welded
Technique: EFW
Jiangyin Longyu Stainless Steel Pipe Industry Co., Ltd
Manufacturer/Factory & Trading Company

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Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers pictures & photos
Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers pictures & photos
Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers pictures & photos
Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers pictures & photos
Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers pictures & photos
Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers pictures & photos
  • Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers
  • Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers
  • Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers
  • Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers
  • Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers
  • Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers
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Product Description

Company Info.
  • Overview
  • Product Description
  • Detailed Photos
  • Product Parameters
  • Company Profile
  • FAQ
Overview

Basic Info.

Model NO.
Precision Stainless Steel Capillary Pipe
Material
Carbon Steel
Surface Treatment
Copper Coated
Usage
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Section Shape
Special Section
Product Name
Stainless Steel Capillary Pipe
Keywords
Precision Capillary Pipe
Processing Service
Punching, Bending, Decoiling
Standard
ASTM GB JIS DIN En
Outer Diameter
4 - 914mm or Customized
Wall Thickness
1 - 150mm or Customized
Length
6m, 12m or as Per Customer′s Requirements
Packing
in Bundles Tied with Steel Stripes
GB Standard
GB 5310, GB6479, GB9948, GB/T17396GB 3087
Pipe Material 1
A53(a, B), A106(a, Q345, 16mn, 10# 20#)
Pipe Material 2
St37, St42, St52;Gr.B, X42, X46, X52, X56, X60
Pipe Material 3
4140 4120 4130 4142 35CrMo 42CrMo
Pipe Material 4
1033 1320 1330 1527 1340 1345 20mn 35mn 40mn
Pipe Material 5
5115 5120 5135 5140 5145 5150 20cr 30cr 35cr40cr
Used for
Petroleum/Natural Gas Pipeline, Conveying Water
Transport Package
Standard Packaging or Customized
Specification
Standard Specifications or Customized
Trademark
NOVA GROUP
Origin
Jiangsu, China
Production Capacity
500 Tons/ Month

Product Description

LONGYU 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm OD 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers

Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China WholesalersLongyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China WholesalersLongyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers

 

Product Description

Jiangyin Longyu - a pipe and fitting factory that can process various materials.

10-year pipe material customization: ordinary stainless steel, duplex steel, super austenitic stainless steel, ferritic steel, alloy steel, titanium alloy steel, etc.

We are an all-in-one factory that combines welded pipes, seamless pipes, precision pipes, pipe fittings, etc. We have relatively fast delivery speed and control over product quality. "Guaranteed by the quality and developed by science", "Customer needs are the company's pursuit", we pursue "first-class products", "first-class reputation" and "first-class service". Our company is willing to establish honest cooperative relationships with friends from all walks of life for mutual benefit and common development. Welcome customers to Jiangyin Longyu Stainless Steel Welded Pipe Co., Ltd. for a visit and guidance.
 

High-Quality Material:
Our seamless steel pipe is made of precision steel, guaranteeing durability and long-lasting performance.

Precise Capillary Sleeve:
Designed with utmost precision, this tube ensures a tight fit and optimal performance in various applications.

Length Options:
Available in lengths of 300mm and 500mm, choose the size that best suits your project requirements.

Versatile Usage:
Perfect for a wide range of applications, including automotive, industrial, and mechanical, providing reliable solutions.

Seamless Design:
The seamless construction of this steel pipe ensures smooth flow, reducing the risk of leaks and improving overall efficiency.

 
Steel Pipe Size Tolerance(Mm)
General(PA) High Level(PC)
Nominal Outer Diameter
D(Mm)		 ≤1.00 ±0.03 ±0.02
>1.00~2.00 ±0.04 ±0.02
>2.00 ±0.05 ±0.03
Nominal Wall Thickness
S(Mm)		 <0.20 +0.03 +0.02
-0.02 -0.01
0.20~0.50 ±0.04 ±0.03
>0.50 ±10%S ±7.5%S
 
Detailed Photos

Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers

Product Parameters
  
Gade Standard
EN TP UNS  
1.4301 TP304 S30408 EN 10217/7TC1&TC2
1.4306 TP304L   EN 10296-2
1.4307 TP304L S30403 EN10357
1.4311 TP304LN S30453 DIN11850
1.4404 TP316 S31600 AD2000W2-W4-W10
1.4404 TP316L S31603 ASTM/ASME A/SA249
1.4406 TP316LN S31653 ASTM A269
1.4432 TP316L   ASTM A270
1.4435 TP316L   ASTM A554
1.4436 TP316   ASTM A632
1.4438 TP317L S31703 ASTM A778
1.4439 TP317LNM S31726 ASTM/ASME B/SB674
  TP317 S31700 ASTM/ASME A/SA312
1.4449 TP317   ASTM/ASME A/SA688
1.455 TP347 S34700 ASTM/ASME B/SB676
1.4541 TP321 S32100  
1.4571 TP316TI S31653  
1.4828 TP309    
1.4833 TP309S S30908  
1.4845 TP310S S31008  
1.4878 TP321H S32109  
1.4948 TP304H S30409  
1.4835 253MA S30815  
  Precision Stainless Steel Capillary Custom Size Table
Nominal outer diameter
D(mm)		 Nominal Thickness
S(mm)
  0.10  0.15  0.20  0.25  0.30  0.35  0.40  0.45  0.50  0.55  0.60  0.70  0.80  0.90  1.00 
Φ0.30 ×                            
Φ0.35 ×                            
Φ0.40 × ×                          
Φ0.45 × ×                          
Φ0.50 × ×                          
Φ0.55 × ×                          
Φ0.60 × × ×                        
Φ0.70 × × × ×                      
Φ0.80 × × × ×                      
Φ0.90 × × × × ×                    
Φ1.00 × × × × × ×                  
Φ1.20 × × × × × × × ×              
Φ1.60 × × × × × × × × × ×          
Φ2.00 × × × × × × × × × × × ×      
Φ2.20 × × × × × × × × × × × × ×    
Φ2.50 × × × × × × × × × × × × × × ×
Φ2.80 × × × × × × × × × × × × × × ×
Φ3.00 × × × × × × × × × × × × × × ×
Φ3.20 × × × × × × × × × × × × × × ×
Φ3.40 × × × × × × × × × × × × × × ×
Φ3.60 × × × × × × × × × × × × × × ×
Φ3.80 × × × × × × × × × × × × × × ×
Φ4.00 × × × × × × × × × × × × × × ×
Φ4.20 × × × × × × × × × × × × × × ×
Φ4.50 × × × × × × × × × × × × × × ×
Φ4.80 × × × × × × × × × × × × × × ×
Φ5.00   × × × × × × × × × × × × × ×
Φ5.50   × × × × × × × × × × × × × ×
Φ6.00   × × × × × × × × × × × × × ×
Nominal Diameter(mm) Nominal Thickness
S(mm)
  0.51 0.71 0.89 1 1.15 1.24 1.65 2.11 2.41 2.77 3.05 3.18 3.4 3.96 4.78
Φ3.175 × × ×                        
Φ6.35     × × × × ×                
Φ9.53     × × × × × × × × × ×      
Φ12.70     × × × × × × × × × ×      
Φ14.30               × × × × ×      
Φ15.88             × × × × ×        
Φ19.05           × × × × × × × × ×  
Φ25.40           × × × × × × × × × ×
Φ31.75           × × × × × × × × × ×
Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers 
Production process of precision stainless steel capillaries

 1. Raw material selection:
    - Mainly use stainless steel materials such as 316L and 304L. These materials contain more chromium (Cr) and nickel (Ni) elements, ensuring the corrosion resistance and strength of the products.
    - Consider chemical composition, accuracy requirements and surface condition when selecting materials.

2. Pipe making process:
    -Cold drawn pipe process: Through multiple cold rolling and drawing processes, the hot-rolled plate is gradually turned into a small diameter pipe.
    - Hot pressed tube process: Utilize the plasticity of the material to produce capillary tubes with thin walls and smooth surfaces through metal pressing in a hot state.
    - Cold drawing pipe making process: requires high accuracy of material cross-sectional area and circumference, which depends on the impact of organizational structure and performance.

3. Surface treatment:
    - The purpose is to reduce scale and improve surface finish and corrosion resistance.
    - Common surface treatments include pickling, mechanical polishing and electric rust removal.
Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers
Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers
4. Detection:
    - As precision mechanical parts, capillary tubes must undergo strict testing and quality control.
    - Testing methods include metallographic testing, mechanical performance testing and ultrasonic testing to ensure that the internal structure and physical properties of the product meet standards.

5. Special process:
    - Annealing: Solution heat treatment process to improve corrosion resistance and eliminate work hardening.
    - Annealing conditions: including reaching the required temperature range (1040~1120°C), using pure hydrogen as the annealing atmosphere, maintaining the sealing of the furnace body, maintaining positive air pressure, and ensuring a dry state in the furnace.

6. Processing technology:
    - Stainless steel capillary tubes can be subjected to various finishing processes such as edge milling, rolling, punching, closing, hole making, surface grinding, flaring, shrinking, bending, etc.
7. Measurement and inspection:
    - Measure the outer diameter, inner diameter, wall thickness, straightness, length, and check that there are no cracks and pits on the pipe surface, and conduct a surface roughness test.

8. Applied research:
    - High-purity 304 stainless steel precision tube capillary tubes are widely used in fields such as microfluidic technology, fiber optic sensors, and liquid chromatography technology.

9. Development prospects:
    - With the development of technology, the demand for high-purity stainless steel precision tube capillary tubes will further increase, especially in fields such as biomedicine, environmental monitoring, and chemical analysis. The entire production process requires extremely high precision and quality control to ensure the high performance and long life of the stainless steel capillary tubes.
Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers
Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers
Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers
Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers
Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers
Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers
Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers
 
Company Profile
 Longyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China WholesalersLongyu 304 Stainless Steel Capillary Tube 7.5mm ID 8.5mm Od 300mm Long 0.5mm Wall Stainless Steel Seamless Capillary China Wholesalers
FAQ

Q1: Are you a trading company or manufacturer?

We are a processing type company specializing in processing stainless steel for 304/304L large diameter thick wall stainless steel welded pipe and other materials. Prompt delivery, low price, high quality, unique insight into various materials of stainless steel, rolled round, straight seam, ring seam.

Q2: What are the company's main products?

304/304L stainless steel welded pipe processing, Thick-walled stainless steel welded pipe processing, Large diameter stainless steel welded pipe processing, Customizable stainless steel shrimp elbow, etc.

Q3:What are the advantages of your company?

We have many professionals, technical personnel, more competitive prices, and better after-sales service than other stainless steel companies.

Q4: What do you do to control product quality?

Before loading into the container, all products will go through a pre-shipment inspection by our professional QC group. UT test is called is applied to steel material, according to Sep 1921 C/c, D/d, or E/e level based on different types of steel.

Q5:What is your MOQ?

Our MOQ for each order is around 25 Tons(one container), customers can mix different types of steel to reach this quantity.

Q6: Can we visit your company and factory? 

Yes, warmly welcome! We can book the hotel for you before you come to China and arrange for our driver to our airport to pick you up when you come

 

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