Product/Stainless steel pipe/stainless steel welded pipe/tube
Stainless steel welded pipe/tube
Shanghai Yieh United is an ISO 9001: 2008 stainless steel welded 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) Industrial pipe, tube for boiler and heat exchanger, mechanical and structural tube, square tube, rectangular tube
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 |
| Industrial Pipes | ASTM A312, A358, A778 JIS G3459 | OD: 1/4″~40″ WT: SCH5S~SCH80S | 304/304L, 316L |
| Tubes for Boiler and Heat-Exchanger, General Service Tubing | ASTM A249, A269, JIS G3463 | OD: 15.9~139.8mm WT: 1.6~5.0mm | 304/304L, 316L |
| Mechanical and Structural Tubes | ASTM A554, JIS G3446 | OD: 7.9~152.4mm WT: 0.5~6.5mm | 201, 202, 304/304L, 316L |
| Square Tubes | ASTM A554 | OD: 12.7×12.7~150x150mm WT: 0.7~6.5mm | 201, 202, 304/304L, 316L |
| Rectangular Tubes | ASTM A554 | OD: 10×20~100x200mm WT: 0.7~6.5mm | 201, 202, 304/304L, 316L |
| Sanitary Tubing | ASTM A270 JIS G3447 | OD: 25.4~165.2mm WT: 0.8~3.05mm | 304/304L, 316L |
| Large Gauge Pipes for Ordinary Piping | JIS G3448 | OD: 15.88~318.5mm WT: 0.8~3.0mm | 304 |
| Large Diameter Pipes | JIS G3468 | OD: 14″~40″ WT: SCH5S~SCH40S | 304 |
Chemical Composition of Stainless Steel Welded 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 |
| SUS201 | 3.5~5.5 | 16.0~18.0 | 0.15 | 1 | 5.5~7.5 | 0.06 | 0.03 | – | – | N: 0.25 |
| SUS202 | 4.0~6.0 | 17.0~19.0 | 0.15 | 1 | 7.5~10.0 | 0.06 | 0.03 | – | – | N: 0.25 |
| 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 | – | – | – |
| SUS316L | 12.0~15.0 | 16.0~18.0 | 0.03 | 1 | 2 | 0.045 | 0.03 | 2.0~3.0 | – | – |
| SUS430 | 0.6 | 16.0~18.0 | 0.12 | 0.75 | 1 | 0.04 | 0.03 | – | – | – |
Mechanical Composition of Stainless Steel Welded 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 |
| SUS201 | 520 | 275 | 40 | 100 | No Require | – |
| SUS202 | 520 | 275 | 40 | 95 | No Require | – |
| SUS304 | 520 | 205 | 40 | 90 | No Require | – |
| SUS304L | 480 | 175 | 40 | 90 | No Require | – |
| SUS316L | 480 | 175 | 40 | 90 | No Require | – |
| SUS430 | 420 | 205 | 22 | 88 | 180° | 1.0 time the thickness |
Application of Stainless Steel Welded Pipe/Tube
Stainless steel welded pipe/tube has excellent characteristics of corrosion resistance and smooth finishing. Stainless steel welded pipe/tube is commonly used in demanding equipment like automobiles, food processing, water treatment facilities, oil and gas processing, refinery and petrochemicals, breweries and energy industry.
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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.