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LONGYU Seamless Carbon Steel Pipe China Manufacturers Annealing Carbon Steel Pipes And Tubes EN1.4435 Cold-Drawn Precision Seamless Steel Pipe
| Processable Materials | |||||
| Gade | EN | TP | UNS | STANDARD | |
| 1.4301 | TP304 | S30400 | 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 | |||
| ALLOY840 | S33400 | ||||
| Ferritic Steel | EN | TP | UNS | STANDARD | |
| 1.4016 | TP430 | S43000 | ASTM/ASME A/SA268 | ||
| 1.4509 | TP441 | ASTM/ASME A/SA249 | |||
| 1.4512 | TP409 | EN10357 | |||
| 1.4521 | TP444 | ASTM A/SA803 | |||
| TP439M | S43932 | EN 10296-2 | |||
| 1.451 | TP439M | ASTM A554 | |||
| 1.452 | TP430Ti | ||||
| TP439 | S43035 | ||||
| TP410S | S41008 | ||||
| 2.463 | GH3030 | ||||
| Duplex Steel | EN | TP | UNS | GRADE | STANDARD |
| 1.4362 | S32304 | DSS 2304 | EN 10217/7 TC1&TC2 | ||
| 1.4162 | S32101 | DSS 2101 | ASTM/ASME/SA789 | ||
| S32003 | DSS 2003 | EN10357 | |||
| 1.441 | S32750 | DSS 2507 | AD 2000 W2 | ||
| 1.4501 | S32760 | EN 10296-2 | |||
| S82031 | ASTM A554 | ||||
| 1.4462 | S31803 | DSS 2205 | ASTM/ASME A/SA790 | ||
| 1.4462 | S32205 | DSS 2205 | |||
| 1.4481 | S31260 | ||||
| 1.4424 | S31500 | ||||
| 1.4466 | S31050 | ||||
| Superaustenitic Steel | EN | TP | UNS | GRADE | STANDARD |
| 1.4529 | N08926 | 1925HMO | EN10217/7 TC1&TC2 | ||
| N08367 | EN10296-2 | ||||
| 1.4562 | N08031 | ALLOY 31 | ASTM/ASME/SA249 | ||
| 1.4539 | N08904 | 904L | ASTM A269 | ||
| 1.4547 | S31254 | 254SMO | ASTM A270 | ||
| ASTM/ASME A/SA312 | |||||
| ASTM/ASME B/SB676 | |||||
| AD 2000 W2 | |||||
| ASTM A632 | |||||
| ASTM/ASME B/SB674 | |||||
| ASTM/ASME A/SA688 | |||||
| ASTM/ASME B/SB674 | |||||
| ASTM/ASME A/SA468 | |||||
| Nickel Alloys | EN | TP | UNS | GRADE | STANDARD |
| 2.4602 | N06022 | ALLOY 22 | ASTM/ASME B/SB515 | ||
| 2.4605 | N06059 | ALLOY 59 | ASTM/ASME B/SB516 | ||
| 2.466 | N08020 | ALLOY 20 | ASTM/ASME B/SB626 | ||
| 2.4633 | N06025 | ALLOY 25 | ASTM/ASME B/SB704 | ||
| 1.4563 | N08028 | ALLOY 28 | ASTM B/SB751 | ||
| 1.4876 | N08800 | ALLOY 800 | ASTM/ASME B/SB730 | ||
| 2.4858 | N08825 | ALLOY 825 | ASTM/ASME B/SB468 | ||
| 2.436 | N04400 | ALLOY 400 | AD 2000 W2 | ||
| 2.4816 | N06600 | ALLOY 600 | EN 10217/7 TC1&TC2 | ||
| 2.4851 | N06601 | ALLOY 601 | |||
| 2.47 | N06058 | ALLOY 2120 | |||
| 2.4675 | N06200 | ALLOY C2000 | |||
| 2.4068 | N02201 | ALLOY 201 | |||
| 2.4733 | N06230 | ALLOY 230 | |||
| 2.4819 | N10276 | C-276 | |||
| 2.4856 | N06625 | ALLOY 625 | |||
| 1.4959 | N08811 | INCOLOY 800HT | |||
| 2.4060 | N02200 | NICKEL 200 | |||
| 2.4600 | N10675 | Hastelloy B-3 | |||
| 2.4617 | N10665 | Hastelloy B-2 | |||
| Titanium(Titanium Alloy) | GRADE (ISO 18762) | STANDARD | |||
| Chinese Standard | American Standard | Russian Standard | Japan Standard | ASTM/ASME B/SB338 | |
| ISO18762 | |||||
| TA1 | GR1 | BT1-0 | TP270 | ||
| TA1-1 | GR1 | BT1-100 | |||
| TA2 | GR2 | TP340 | |||
| TA3 | GR3 | TP450 | |||
| TA4 | GR4 | TP550 | |||
| TA7 | GR6 | BT5-1 | TAP5250 | ||
| TA8 | GR16 | ||||
| TA8-1 | GR17 | ||||
| TA9 | GR7 | TP340Pb | |||
| TA9-1 | GR11 | ||||
| TA10 | GR12 | ||||
| TA11 | Ti-811 | ||||
| TA15 | BT-20 | ||||
| TA17 | πT-3B | ||||
| TA18 | GT9 | OT4-B | TAP3250 | ||
| TB5 | Ti-15333 | ||||
| TC1 | OT4-1 | ||||
| TC2 | OT4 | ||||
| TC3 | BT6C | ||||
| TC4 | GR5 | BT6 | TAP6400 | ||
| TC10 | Ti-662 | ||||
| TC24 | SP-700 | ||||
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.
Stainless steel seamless pipe is a pipe product made of stainless steel material. Its main feature is that the inner and outer surfaces of the pipe are smooth, there is no obvious welding interface, and the whole presents a seamless structure. Stainless steel seamless pipe is usually made of stainless steel plate through hot rolling or cold drawing and other production processes and has high corrosion resistance and high-temperature resistance.
Stainless steel seamless pipe is widely used in petrochemical, chemical, pharmaceutical, food processing, aerospace, and other fields, for conveying various media such as liquids, gases, chemicals, etc. Under special conditions such as high temperature, high pressure, pollution-free, and corrosion resistance, stainless steel seamless pipe is an ideal choice of pipe material.
| DN | inch | Outer Diameter mm | SCH 5S | SCH 10S | SCH 40S | SCH 80S | SCH 10 | SCH 20 | SCH 30 | STD | SCH 40 | SCH 60 | XS | SCH 80 | SCH 100 | SCH 120 | SCH 140 | SCH 160 | XXS |
| 6 | 1/8 | Φ10.29 | - | 1.24 | 1.73 | 2.41 | - | - | - | 1.73 | 1.73 | 2.41 | 2.41 | - | - | - | - | - | |
| 8 | 1/4 | Φ13.72 | - | 1.65 | 2.24 | 3.02 | - | - | - | 2.24 | 2.24 | - | 3.02 | 3.02 | - | - | - | - | - |
| 10 | 3/8 | Φ17.14 | - | 1.65 | 2.31 | 3.20 | - | - | - | 2.31 | 2.31 | - | 3.20 | 3.20 | - | - | - | - | - |
| 15 | 1/2 | Φ21.34 | 1.65 | 2.11 | 2.77 | 3.73 | - | - | - | 2.77 | 2.77 | - | 3.73 | 3.73 | - | - | - | 4.78 | 7.47 |
| 20 | 3/4 | Φ26.67 | 1.65 | 2.11 | 2.87 | 3.91 | - | - | - | 2.87 | 2.87 | - | 3.91 | 3.91 | - | - | - | 5.56 | 7.82 |
| 25 | 1 | Φ33.4 | 1.65 | 2.77 | 3.38 | 4.55 | - | - | - | 3.38 | 3.38 | - | 4.55 | 4.55 | - | - | - | 6.35 | 9.09 |
| 32 | 1.1/4 | Φ42.16 | 1.65 | 2.77 | 3.56 | 4.85 | - | - | - | 3.56 | 3.56 | - | 4.85 | 4.85 | - | - | - | 6.35 | 9.70 |
| 40 | 1.1/2 | Φ48.26 | 1.65 | 2.77 | 3.68 | 5.08 | - | - | - | 3.68 | 3.68 | - | 5.08 | 5.08 | - | - | - | 7.14 | 10.15 |
| 50 | 2 | Φ60.32 | 1.65 | 2.77 | 3.91 | 5.54 | - | - | - | 3.91 | 3.91 | - | 5.54 | 5.54 | - | - | - | 8.74 | 11.07 |
| 65 | 2.1/2 | Φ73.02 | 2.11 | 3.05 | 5.16 | 7.01 | - | - | - | 5.16 | 5.16 | - | 7.01 | 7.01 | - | - | - | 9.53 | 14.02 |
| 80 | 3 | Φ88.9 | 2.11 | 3.05 | 5.49 | 7.62 | - | - | - | 5.49 | 5.49 | - | 7.62 | 7.62 | - | - | - | 11.13 | 15.24 |
| 90 | 3.1/2 | Φ101.6 | 2.11 | 3.05 | 5.74 | 8.08 | - | - | - | 5.74 | 5.74 | - | 8.08 | 8.08 | - | - | - | - | - |
| 100 | 4 | Φ114.3 | 2.11 | 3.05 | 6.02 | 8.56 | - | - | - | 6.02 | 6.02 | - | 8.56 | 8.56 | - | 11.13 | - | 13.49 | 17.12 |
| 125 | 5 | Φ141.3 | 2.77 | 3.40 | 6.55 | 9.53 | - | - | - | 6.55 | 6.55 | - | 9.53 | 9.53 | - | 12.70 | - | 15.88 | 19.05 |
| 150 | 6 | Φ168.28 | 2.77 | 3.40 | 7.11 | 10.97 | - | - | - | 7.11 | 7.11 | - | 10.97 | 10.97 | - | 14.27 | - | 18.26 | 21.95 |
| 200 | 8 | Φ219.08 | 2.77 | 3.76 | 8.18 | 12.70 | - | 6.35 | 7.04 | 8.18 | 8.18 | 10.31 | 12.70 | 12.70 | 15.09 | 18.26 | 20.62 | 23.01 | 22.23 |
| 250 | 10 | Φ273.05 | 3.40 | 4.19 | 9.27 | 12.70 | - | 6.35 | 7.80 | 9.27 | 9.27 | 12.70 | 12.70 | 15.09 | 18.26 | 21.44 | 25.40 | 28.58 | 25.40 |
Cold Drawn Technology
During the cold drawing process, attention should be paid to controlling parameters such as temperature, perforation, and drawing speed to ensure the stability of steel pipe quality.
In the cold drawing process a hot finished seamless tube is used as the material (mother tube), the mother tube, after pretreatment, is cold drawn by the drawing bench to specified dimensions, as shown in the following diagram. the processed tube is subjected to final heat treatment based on its intended end use and then sent to the finishing and inspection process.
Hot Drawn Technology
The seamless pipe product is finally formed by heating the metal billet to a certain temperature (usually above 1200 degrees Celsius), and then using special equipment to pass the billet through multiple roll rolling, perforation, and other processes, and pressing the heated metal billet into a tube.
Standard: ASTM, AISI, DIN, EN, GB, JIS, AISI, ASTM, DIN, EN, GB and JIS
Model Number:304,304L/H/Cu,308,309
Steel Grade:304,304L/H/Cu,308,309,309s,310,310S,314,316,316L
Application: seawater environment, petrochemical, seawater environment, petrochemical, fertilizer, oil refining
Processing Service: Bending, Cutting
Grade:304 316 321 409L, 201,202,301, 321, 304, 304L, 316, 316L, 409, etc
Surface finish:180grit,400grit,600 grit bright polish, hairline, satin,and mirror
Manufacture technology: cold drawn / hot drawn
OD of SS pipe:6 to 720mm, 1/8 to 36 inches
Wall Thickness:0.5 to 60mm
Length:4~6m (or customized)
Stainless steel seamless pipe is made of stainless steel as raw material. It has corrosion resistance, wear resistance, and high-temperature resistance, and can maintain good mechanical properties and durability even in a high-temperature environment.
Stainless steel seamless pipes have excellent mechanical strength, can withstand high pressure and external force, and are not easy to deform and break.
Stainless steel materials have good corrosion resistance and can resist the erosion of corrosive media such as acids, alkalis, and chemicals, avoiding pipeline aging and damage.
Stainless steel materials meet hygiene standards and will not release harmful substances. They are suitable for production and transportation in industries such as food and pharmaceuticals.
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.
