Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Delivery Time | 7DAYS |
| Packaging Details | PLYWOOD CASE,BOX,BUNDLE |
| OD | 0.1MM TO 25MM |
| Grade | TP304/304L/304H , TP310S/310H, TP316L/316H/316Ti ,TP317/317L , TP321/321H, TP347/347H 904L , 2205, 2507, S31803, S32750, S32760 |
| Standard | EN10305 , ASTM , GOST |
| Package | PLYWOOD CASE,BUNDLE |
| Application | Medical Service, Medical, Industrial Components, Equipment |
| End | PLAIN END,BEVELED END |
| Brand Name | YUHONG |
| Model Number | SS304,TP316,TP304L,SS316L |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Delivery Time | 7DAYS |
| Packaging Details | PLYWOOD CASE,BOX,BUNDLE | OD | 0.1MM TO 25MM |
| Grade | TP304/304L/304H , TP310S/310H, TP316L/316H/316Ti ,TP317/317L , TP321/321H, TP347/347H 904L , 2205, 2507, S31803, S32750, S32760 | Standard | EN10305 , ASTM , GOST |
| Package | PLYWOOD CASE,BUNDLE | Application | Medical Service, Medical, Industrial Components, Equipment |
| End | PLAIN END,BEVELED END | Brand Name | YUHONG |
| Model Number | SS304,TP316,TP304L,SS316L | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA | ||
| High Light | bright annealed stainless steel tube ，stainless steel coil tube | ||
Stainless Steel Needle Tube T.I.G Welded and Seamless TP304 TP316L Capillary
Medical Tubing is manufactured using 304, 304L and 316L Stainless Steel. 304 Stainless Steel has a relatively low carbon content (0.08 percent maximum), and it resists corrosion better than 302 Stainless Steel. Its counterpart, 304L Stainless Steel, has an even lower carbon content (0.04 percent maximum), and offers similar corrosion resistance. However, 304L also offers high resistance to intergranular corrosion after welding. 316L is sometimes used in Medical instrumentation and has a lower carbon content than 316 Stainless. 316L is used in areas where superior corrosion resistance is required.
A capillary tube is a very thin tube, typically with an internal diameter ranging from 0.3 mm to 2 mm. It’s used widely in mechanical, chemical, and medical applications due to its ability to precisely control and regulate fluid flow.
A capillary tube works on the principle of capillary action, where liquid can flow through narrow spaces without the assistance of external forces (like gravity). This is primarily due to surface tension, adhesive and cohesive forces.
Refrigeration and Air Conditioning:
Acts as an expansion device that reduces refrigerant pressure from the condenser to the evaporator.
Simple, cost-effective alternative to expansion valves in small systems.
Medical Applications:
Used to collect blood samples (especially in pediatric and point-of-care settings).
Found in devices like hematocrit tubes or micro-pipettes.
Chemical and Laboratory Use:
Used in chromatography, sample transfer, or flow control.
In precision dosing and microfluidic systems.
Fuel Systems and Lubrication:
Controls small, consistent flow of fuel or oil.
Capillary tubes are typically made from metals (like copper, stainless steel) .
Extrusion:
A metal billet is forced through a die to create a long, narrow tube.Drawing:
The extruded tube is then pulled through progressively smaller dies to reduce the diameter.Annealing may be used between draws to soften the metal.Coiling:
Tubes are coiled into spirals or straight lengths depending on usage.Inner Diameter (ID): Critical to control fluid flow.
Length: Affects pressure drop.
Material: Depends on corrosion resistance, flexibility, and thermal conductivity.
Stainless Steel Capillary Tube Needle Tube Equivalent Grades
| GRADE | UNS NO | DIN/WERKSTOFF |
| Stainless Steel Capillary Tube 304 | S30400 | 1.4301 |
| Stainless Steel Capillary Tube 304L | S30403 | 1.4306 |
| Stainless Steel Capillary Tube 316 | S31600 | 1.4436 |
| Stainless Steel Capillary Tube 316L | S31603 | 1.4404 |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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