Steel Pipe Stainless Seamless Pipe Tube 316L/316Ti/724L/S38815/S32615
| Model NO. | Seamless Tube |
| Type | Seamless |
| Technique | Cold Drawn |
| Material | Alloy Steel |
| Surface Treatment | Polished |
| 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 | Round |
| Processing Technic | Cold-Rolled or Clod Draw |
| Delivery Status | Annealing |
| Surface | Bright Tube, Pickling Passivation, Polish |
| Experience | Over 30years |
| Wall Thickness | 0.2–3.5mm |
| Max Length | 18m |
| Material Grade | Duplex Steel /Stainless Steel/Titanium |
| Grade | Nickel Alloy Steel |
| Transport Package | Plywood Pallet/Case |
| Origin | China |
| Specification | OD 2–38.1mm |
| Trademark | Asiaalloy |
| HS Code | 7304419000 |
| Production Capacity | 3800 Tons/Year |
Description
Seamless Tube require the precision of size tolerance ,which are mainly used in ships,marine platforms ,bullet train,aerospace equipment and so on for the fine dense card sets connected instrument tube ,hydraulic brake tube, oil well control pipeline,chemical injection pipe and electric heating steam heating tube.
In order to ensure the quality of seamless pipes,our seamless factory–YONGSHANG owns automatic heat piercing production line,automatic temperature-controlled natural gas annealing furnace ,precision cold rolled line equipment ,each specification automatic straightener,automatic temperature-controlled cycle picking passivation equipment,semi-
Automatic cold-drawing production equipment and so on,and we also owns a full set inspection/testing equipment including Germany-imported direct-reading spectrometer, ultrasonic fault detector,eddy current flaw detector,hydrostatic test machine,universal testing machine,impact tester,endoscope etc.
What material we can supply ?
Austentic Stainless Steel :304,1.4301,X5CrNi18-10,304L,1.4306 ,S30403,1.4307, 03X18H11,304H,S30415,1.4948,S30409,316L,1.4401,1.4404,1.4435,03X17H14M3,316Ti/08X17H13M2T,S31615,1.4571,S31635 316H
321/08X18T10T,321H/12X18H10T,1.4541,317,317L/03X16H15M3B,1.4449,1.4438,347/08X18H12B,347H,1.4550,1.4961,310,310S
S31008/10X23H18,310H,1.4845,309,309S,309H,1.4833
Super Austenitic Stainless Steel :N08904(904L),1.4539,S31254,S254Mo,1.4547,S30432,S31042, N08367(6Mo),S30803/253Ma
Super Duplex Steel:S31500,S32101,1.4162,S32003,S32304,1.4362,UNS S32304,S31803,S32205,1.4462,S32750,1.4410,2507,S32760 ,1.4501
Nickel Alloy Steel:.Alloy B/ N10001, Alloy B2/N10665, Alloy B3/N10675, Alloy C4/N06455, Alloy C22/N06022, Alloy C276/N10276, Alloy C2000/N06200, Alloy G35/N06035, Alloy G30/N06030, Alloy S/N06635, Alloy N/N10003, Alloy X/N06002, Alloy 188/R30188, Alloy 230/N06230, Alloy 556/R30556…
Alloy 600/ N06600, Alloy 601/N06601, Alloy 617/N06617,
Alloy 625/N06625, Alloy 718/N07718, Alloy X750/N07750, Alloy 800/N08800, Alloy 800H/N08810, Alloy 800HT/N08811, Alloy 825/N08825, Alloy 925/ N09925, Alloy 926/N08926.Alloy 400/ N04400, Alloy K500/N05500w, 254SMO/S31254,174PH, 17-7PH, 15-7PH… Nickel: N4/UNS N02201, N6/UNS N02200…
Nickel:N4/UNS N02201,N6/UNS N02200
Titanium& Titanium Alloy:GR1,GR2,GR3,GR4,GR5,GR7,GR9,GR11,GR12
Products Name | Size Range | Max Length | Processing Technic | Delivery Status | Standard | Surface | Certificates |
| SEAMLESS TUBE | OD:2-38.1mm* T.W:0.2~3mm | Max 38M | Cold-rolled or Clod Draw | Annealing/Bright Annealing | ASTM B622,ASTM B829, ASTM SB163,ASTM SB165, ASTM SB167,ASTM SB407,ASTM SB423,ASTM SB444,ASTM SB622,ASTM SB668,ASTM SB677,ASTM SB690,ASTM SB729 | Pickling,Bright Tube,Passivation, Polishing | ISO9001:2015 ISO14001:2015 ISO45001:2018 TS ,PED97/23/CE European TUV BV ,CCS,LR ABS DNV-GL ,KR |
Detailed Photos

FAQ
Are you a factory or a trading company?
We are a dedicated factory specializing in the manufacturing of seamless stainless steel pipes. Additionally, we offer welded stainless steel pipes and pipe fittings to meet your comprehensive needs. Our in-depth market knowledge ensures that we deliver only the highest quality products, each meticulously inspected before shipment.
Do you have any certificates?
We proudly hold numerous prestigious domestic and international certifications, including the EU ISO9001 Quality Management System Certification, TUV Welding Certification, and the China Pressure Pipe Manufacturing License (TS).We are also exclusively authorized by the American Hastelloy Company in China for the collaboration, development, and production of Hastelloy long products.
What is your delivery time?
Delivery time primarily depends on your order volume. Typically, we deliver within approximately one month for a standard 40FT container. For in-stock items, shipping can be expedited to just 5 days.
What are your payment terms?
Our standard payment terms are a 30% deposit with the remaining balance against the bill of lading. We also accept L/C. Shipping terms include EXW, CFR, and CIF, tailored to your preference.
How can you guarantee the quality of my goods?
We ensure all materials undergo 100% PMI testing and precise measurement before shipping. We welcome third-party inspections and provide the EN10204.3.1B Mill Test Certificate for all materials.
How do you establish long-term and positive business relationships?
1. We maintain superior quality and competitive pricing to maximize our customers’ benefits.
2. We respect every customer, conducting business with sincerity and maintaining high service standards both before and after every transaction.
