Product/Stainless steel pipe/stainless steel seamless pipe/tube
Stainless steel seamless pipe/tube
Shanghai Yieh United is an ISO 9001: 2008 stainless steel seamless pipe/tube supplier. We maintain an inventory of 200,300 and 400 series stainless steel products, which provides the properties of corrosion resistance at high temperatures.
1) Grade: 304/304L, 316L, 430 etc
2) Seamless austenitic stainless steel pipe, seamless austenitic alloy-steel boiler, super heater and heat-exchanger tubes, seamless duplex stainless steel tubing for general service, seamless duplex stainless steel pipe
Stainless steel seamless pipe/tube contains chromium which provides the properties of corrosion resistance at high temperatures. Stainless steel can withstand corrosive or chemical environments due to its smooth surface. Stainless steel products are safe for long-term use with excellent resistance of corrosion fatigue.
Product Specification and Size
| Product Name | Executive Standard | Dimension | Steel Grade |
| Seamless Austenitic Stainless Steel Pipes | ASTM A312/A312M, ASME SA312/SA312M |
OD: 6.0~914.0mm WT: 0.5~88mm |
304/304L/304H, 310, 310S, 316/316L, 321/321H, |
| Seamless Austenitic Stainless Steel Tubing for General Service | ASTM A269, ASME SA269 |
OD: 6.0~50.8mm WT: 0.8~10.0mm |
304/304L/304H, 310/310S, 316/316L, 321/321H |
| Seamless Austenitic Alloy-Steel Boiler, Super Heater and Heat-Exchanger Tubes | ASTM A213/A213M, ASME SA213/SA213M |
OD: 6.0~50.8mm WT: 0.8~10.0mm |
304/304L/304H, 310/310S, 316/316L, 321/321H |
| Seamless Stainless Steel Mechanical Tubing | ASTM A511 |
OD: 6.0~50.8mm WT: 1.8~10.0mm |
304/304L/304H, 310/310S, 316/316L, 321/321H |
| Seamless Stainless Steel Tubes for Pressure Purposes | EN 10216, DIN 17456, 17458 |
OD: 6.0~914.0mm WT: 0.5~88mm |
1.4301, 1.4307, 1.4541, 1.4401, 1.4404, 1.4571, 1.4878, 1.4432, 1.4462 |
Chemical Composition of Stainless Steel Seamless Pipe/Tube (JIS Specification)
| Steel Grade | Ni% Max. | Cr% Max. | C% Max. | Si% Max. | Mn% Max. | P% Max. | S% Max. | Mo% Max. | Ti% Max. | Other |
| SUS304 | 8.0~10.5 | 18.0~20.0 | 0.08 | 1 | 2 | 0.045 | 0.03 | – | – | – |
| SUS304L | 9.0~13.0 | 18.0~20.0 | 0.03 | 1 | 2 | 0.045 | 0.03 | – | – | – |
| SUS310S | 19.0~22.0 | 24.0~26.0 | 0.08 | 1.5 | 2 | 0.045 | 0.03 | – | – | – |
| SUS316L | 12.0~15.0 | 16.0~18.0 | 0.03 | 1 | 2 | 0.045 | 0.03 | 2.0~3.0 | – | – |
| SUS321 | 9.0~13.0 | 17.0~19.0 | 0.08 | 1 | 2 | 0.045 | 0.03 | – | 5xC MIN. | – |
Mechanical Composition of Stainless Steel Seamless Pipe/Tube (JIS Specification)
| Steel Grade |
N/mm 2 MIN. Tensile Stress |
N/mm 2 MIN. Proof Stress |
% MIN. Elongation |
HRB MAX. Hardness |
Bendability: Bending Angle |
Bendability: Inside Radius |
| SUS304 | 520 | 205 | 40 | 90 | No Require | – |
| SUS304L | 480 | 175 | 40 | 90 | No Require | – |
| SUS310S | 520 | 205 | 40 | 90 | No Require | – |
| SUS316L | 480 | 175 | 40 | 90 | No Require | – |
| SUS321 | 520 | 205 | 40 | 90 | No Require | – |
Application of Stainless Steel Seamless Pipe/Tube
Stainless steel seamless pipe/tube has excellent characteristics of corrosion resistance and smooth finishing. Stainless steel welded pipe/tube is commonly used in chemical plants, aviation fields, marine equipment, cryogenic transportation, medical and architectural industries.
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Frequently Asked Question
Shanghai Yieh United Corp., is a global leading manufacturer with 11 years production experience, specialized in manufacturing of stainless steel sheet, stainless steel plate, stainless steel coil, stainless steel strip, and stainless steel pipe & bar.
-35000m2 factory area
-250,000 tons annual output
-120+ expanded countries
-10000 + finished projects
We accept T/T, L/C, OA payment. We also have Sinosure to guaranteed the payment security.
Shanghai Yieh United Corp., QC inspection procedures are applied to all stainless steel products, and strictly follow by these 6 steps:
-Preliminary Inspection
-In-Process Inspection
-In-House Testing
-Final Product Inspection
-Delivery and Protection
-Dimensional Checks
If you find stainless steel products in quality or quantity problem, you can send us an objection within 15 days. We will send the specialized technical staff to serve you in time.
Minimum order quantity: 3-5MT per size.
Our large stock and production lines guarantee the production time. We also cooperate with world top logistics’ company to ensure the shipping schedule.