Wenzhou Zheheng Steel Industry Co.,Ltd
To provide safe and reliable high quality stainless steel ,nickel alloy pipes and fittings
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Cold Drawing High Pressure Stainless Steel Tubing Apply To Surgical Instruments
zheheng steel is one of exporter ,manufacturer ,supplier of stainless steel pipes,stainless steel seamless industrial pipe / seamless stainless steel pipe,ss asme stainless steel pipe,We can also supply stainless steel capillary tubes, which are widely used.Petrol, Oil and Nature gas, Chemical Industry,Boiler,Heat Exchange Architecture,Machine Equipment,City Decoration,Bridge, Food and Medical Industry,Electric Components,Shipping Manufacture,etc
covers an area of 20,000 square meters, and has more than 26 production lines. The factory has the most professional laboratory with the well-equipped facilities, including Cold Rolling Machine, Eddy Current Test Machine, Impact Tester Equipment, Hydraulic Test Equipment, Handheld Spectrometer, etc.
Production Process:
High-pressure stainless steel seamless pipe rolling, steel pipe sizing and reducing, steel pipe cooling and finishing or can be said to be steel embryo heating perforated hot-sand pickling cold-drawn carbon burning cutting head spray packaging finished product a seamless steel pipe The manufacturing method is characterized in that a rolling stand having a plurality of rolls and a mandrel type seamless tube rolling mill in which a plurality of rolling stages are arranged in different rolling directions are provided, and a seamless steel pipe is formed on such a manufacturing line. After rolling, the wall thickness in the circumferential direction of the rolled steel pipe is measured at a plurality of points, and according to the measurement results, at least two of the respective axes of the rolls on the final rolling stand of the mandrel mill are separately controlled. End position to minimize wall thickness unevenness.
2.Description:
3.1Chemical Composition:
| Grade | C | Si | Mn | P | S | Ni | Cr | Mo | N |
| 309s | ≤0.08 | ≤1.00 | ≤2.0 | ≤0.045 | ≤0.03 | 12.00-15.00 | 22.00-24.00 | ||
| 310s | ≤0.08 | ≤1.50 | ≤2.0 | ≤0.045 | ≤0.03 | 19.00-22.00 | 24.00-26.00 | ||
| 317l | ≤0.03 | ≤1.00 | ≤2.0 | ≤0.045 | ≤0.03 | 11.0-15.0 | 18.0-20.0 | 3.0-4.0 | |
| 321 | ≤0.08 | ≤1.0 | ≤2.0 | ≤0.04 | ≤0.03 | 9.0-12.0 | 17.0-19.0 | Ti≥5xC | |
| 409 | ≤0.08 | ≤1.0 | ≤1.0 | ≤0.04 | ≤0.03 | ≤0.5 | 10.5-11.7 | Ti6xC%≤0.70 | |
| 409L | ≤0.03 | ≤1.0 | ≤1.0 | ≤0.04 | ≤0.03 | 0.5 | 10.5-11.7 | Ti8xC%≤0.70 | |
| 430 | ≤0.12 | ≤1.0 | ≤1.0 | ≤0.04 | ≤0.03 | 16.0-18.0 | |||
| SS329J4L | ≤0.03 | ≤1.0 | ≤1.5 | ≤0.04 | ≤0.03 | 5.50-7.50 | 24.00-26.00 | 2.50-3.50 |
3.2 Mechanical Property:
| ASTM | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elogation (%) | Hardness (HRB) |
| 309S | ≥520 | ≥205 | ≥40 | ≤200 |
| 316 | ≥515 | ≥205 | ≥40 | ≤95 |
| 316L | ≥485 | ≥170 | ≥40 | ≤95 |
| 317L | ≥480 | ≥175 | ≥40 | ≤200 |
| 321 | ≥515 | ≥205 | ≥40 | ≤95 |
| 409 | ≥380 | ≥205 | ≥20 | ≤80 |
| 409L | ≥350 | ≥185 | ≥22 | ≤80 |
| 430 | ≥450 | ≥205 | ≥22 | ≤80 |
| SS329J4L | ≥620 | ≥450 | ≥18 | ≤320 |
4.0 Application:
|
Application
| Architectural/Civil Engineer | Handrails, door and window fittings, steel furniture, structural sections etc |
| Transport | Exhaust systems, car trim, road tankers, ship containers, ships chemical tankers etc | |
| Chemical/Pharmaceutical | Pressure vessels, process piping etc | |
| Oil & Gas | Platform accomodation, cable trys, subsea pipelines etc | |
| Water | Water and sewage treatment, water tubing, hot water tankers etc | |
| Medical | Surgical instruments, surgical implanets, MRI scanners etc. | |
| Food & Drink | Catering equipment, brewing, food processing etc |
You can select different sizes stainless steel products with high quality from a reliable manufacturer with reasonable price. We can supply stainless tube/pipe, stainless steel sheet&plate, stainless steel bar, stainless steel wire, stainless steel coil etc.
| Item | Stainless steel tube/tubes/tubing Stainless steel pipe/pipes |
| Material | Stainless steel |
|
Grade | 201 (1Cr17Mn6Ni5N) 202(1Cr18Mn8Ni5N) 304(0Cr18Ni9) 304L(00Cr18Ni10) 306(0Cr17Ni12Mo2) 316L(0Cr17Ni14Mo2) 321, 409, 409L, 430 |
| standards | ASTM, ASME,EN, JIS, DIN,GB/T etc |
|
Size | Outer Diameter:1mm-10mm; 10mm-250mm |
| Wall Thickness: 0.01mm-4mm; 1mm-20mm | |
| Length: 10mm -6000mm | |
| Surface treatment | Polishing, Mirro surface, Bright, Pickling |
| Type | Welded, ERW, seamless |
| Manufacturing method | Hot rolled, Extrusion, Cold drawn, Cold rolled |
| Shape | Round, Square, Irregular |
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