316 Stainless Steel Pipe / Tube
✓ Standard:AISI, ASTM, GB, JIS, SUS
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We supply 316 stainless steel pipes and tubes with stable quality and consistent performance. With enhanced corrosion resistance from molybdenum content, 316 stainless steel pipe is suitable for chemical, marine, food processing, and industrial piping systems.
316 stainless steel tubes are available in various sizes, wall thicknesses, and surface finishes to meet demanding industrial and structural requirements.
Available in wall thicknesses from 0.5 mm to 30 mm, with standard lengths or custom cut-to-size options.
By Manufacturing Process: Cold Drawn 316 Stainless Steel Seamless Pipe, Hot Rolled 316 Stainless Steel Seamless Pipe, ERW 316 Stainless Steel Pipe, Welded 316 Stainless Steel Tube
By Surface Treatment Type: 316 Pickled Stainless Steel Pipe, 316 Bright Annealed Stainless Steel Tube (BA), 316 Polished Stainless Steel Pipe, 316 Mirror Stainless Steel Tube, 316 Brushed Stainless Steel Tube
| Parameter | Description |
|---|---|
| Grade | 316 Stainless Steel (AISI / ASTM / EN Equivalent) |
| Outer Diameter | 6 mm – 630 mm |
| Wall Thickness | 0.5 mm – 30 mm |
| Length | 6 m, 12 m, or custom |
| Type | Seamless / Welded |
| Shape | Round, Square, Rectangular |
| Standard | ASTM A312, ASTM A213, ASTM A554, EN, JIS, GB |
| Surface Finish | Pickled, BA, Polished, Mirror, Brushed |
| Processing Services | Cutting, bending, end finishing |
| Packaging | Export-grade waterproof packing + wooden pallet |
| MOQ | Flexible |
Chemical Composition of 316 Stainless Steel (wt%)
| Element | Content (%) |
|---|---|
| Carbon (C) | ≤ 0.08 |
| Silicon (Si) | ≤ 1.00 |
| Manganese (Mn) | ≤ 2.00 |
| Chromium (Cr) | 16.0 – 18.0 |
| Nickel (Ni) | 10.0 – 14.0 |
| Molybdenum (Mo) | 2.0 – 3.0 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
Mechanical Properties of 316 Stainless Steel Pipe / Tube
| Property | Typical Value |
|---|---|
| Tensile Strength | ≥ 515 MPa |
| Yield Strength (0.2%) | ≥ 205 MPa |
| Elongation | ≥ 40% |
| Hardness | ≤ 95 HRB |
| Density | ~8.0 g/cm³ |
| Melting Point | ~1370 – 1400 °C |
Heat Treatment of 316 Stainless Steel
316 stainless steel is an austenitic stainless steel and cannot be hardened by heat treatment. Heat treatment is mainly applied to improve corrosion resistance and restore ductility.
Solution Annealing: 1010 – 1120 °C, followed by rapid cooling
Stress Relief: Applied after cold forming or welding when required
Key Characteristics of 316 Stainless Steel Pipe / Tube
Excellent Corrosion Resistance
Molybdenum improves resistance to chlorides, acids, and marine environments.
Good Weldability
Suitable for TIG, MIG, and arc welding without major loss of corrosion resistance.
Stable Mechanical Properties
Maintains strength and toughness across a wide temperature range.
Good Formability
Easy to bend, cut, and fabricate for piping and structural systems.
Preferred for Harsh Environments
Widely used where 304 stainless steel is insufficient.
Typical Applications
316 stainless steel pipes and tubes are commonly used in:
Chemical and petrochemical processing systems
Marine and offshore piping
Food and beverage processing equipment
Pharmaceutical and sanitary pipelines
Heat exchangers and pressure vessels
Coastal and high-humidity architectural structures
FAQ – 316 Stainless Steel Pipe / Tube
Q1: What is 316 stainless steel pipe used for?
316 stainless steel pipe is used in corrosive environments such as chemical plants, marine systems, and food processing facilities.
Q2: What is the difference between 316 and 304 stainless steel pipe?
316 contains molybdenum, providing better resistance to chlorides and chemical corrosion than 304.
Q3: Is 316 stainless steel pipe suitable for marine use?
Yes, 316 stainless steel pipe is commonly used in marine and coastal environments.
Q4: Can 316 stainless steel tube be welded?
Yes, 316 stainless steel tube has good weldability using common welding methods.
Q5: Do you offer seamless and welded 316 stainless steel pipes?
Yes, both seamless and welded 316 stainless steel pipes are available.
Q6: Are custom sizes available for 316 stainless steel pipe?
Yes, custom diameters, wall thicknesses, and lengths are available upon request.
1. Standard Export Packaging
All stainless steel sheets, plates, pipes, coils, and bars are packed according to export standards to ensure safety during handling and transportation.
Sheets & Plates: Covered with PVC protective film or waterproof paper, then fixed on fumigated wooden pallets or packed in wooden cases .
Coils: Secured with steel strips and supported by steel frames to prevent deformation.
Pipes & Bars: Bundled with steel straps or packed in wooden boxes based on length and diameter.
2. Surface & Damage Protection
Packaging focuses on protecting the material surface and structural integrity.
Moisture-resistant wrapping to reduce the risk of corrosion
Edge and corner protection for sheets and plates
Firm strapping to avoid movement during container loading and unloading
This helps minimize scratches, bending, and other damage during long-distance transportation.
3. Container & Long-Distance Transportation
All packaging is suitable for container shipping and international logistics.
Stable pallet stacking for container loading
Secure fixing to prevent shifting during sea transportation
Suitable for sea, land, and multimodal transport
Products are packed to remain stable during extended transit and storage.
4. Customized Packaging Options
Packaging can be adjusted based on customer requirements.
Customized pallet sizes or reinforced packaging
Special labeling or marking for easy identification
Mixed loading arrangements for different products
Packaging details can be confirmed before shipment, and photos are available upon request.
| English Name | China GB/T | Japan JIS | USA AISI/UNS | Europe EN/DIN |
|---|---|---|---|---|
| Austenitic Stainless Steel 201 | 0Cr17Mn6Ni5N | SUS201 | AISI 201 / UNS S20100 | EN 1.4372 |
| Austenitic Stainless Steel 202 | 0Cr18Mn9Ni6N | SUS202 | AISI 202 / UNS S20200 | EN 1.4122 |
| Austenitic Stainless Steel 301 | 06Cr17Ni7 | SUS301 | AISI 301 / UNS S30100 | EN 1.4310 |
| Austenitic Stainless Steel 303 | 0Cr17Ni13Mo | SUS303 | AISI 303 / UNS S30300 | EN 1.4305 |
| Austenitic Stainless Steel 304 | 0Cr18Ni9 | SUS304 | AISI 304 / UNS S30400 | EN 1.4301 |
| Austenitic Stainless Steel 304L | 06Cr19Ni10 | SUS304L | AISI 304L / UNS S30403 | EN 1.4307 |
| Austenitic Stainless Steel 305 | 0Cr17Ni14Cu2 | SUS305 | AISI 305 / UNS S30500 | EN 1.4303 |
| Austenitic Stainless Steel 309S | 00Cr23Ni13 | SUS309S | AISI 309S / UNS S30908 | EN 1.4828 |
| Austenitic Stainless Steel 310S | 0Cr25Ni20 | SUS310S | AISI 310S / UNS S31008 | EN 1.4845 |
| Austenitic Stainless Steel 316 | 0Cr17Ni12Mo2 | SUS316 | AISI 316 / UNS S31600 | EN 1.4401 |
| Austenitic Stainless Steel 316L | 00Cr17Ni12Mo2 | SUS316L | AISI 316L / UNS S31603 | EN 1.4404 |
| Austenitic Stainless Steel 316Ti | 00Cr17Ni12Mo2Ti | SUS316Ti | AISI 316Ti / UNS S31635 | EN 1.4571 |
| Austenitic Stainless Steel 317 | 00Cr19Ni13Mo3 | SUS317 | AISI 317 / UNS S31700 | EN 1.4438 |
| Austenitic Stainless Steel 321 | 00Cr19Ni10Ti | SUS321 | AISI 321 / UNS S32100 | EN 1.4541 |
| Austenitic Stainless Steel 347 | 0Cr19Ni12Mo2Ti | SUS347 | AISI 347 / UNS S34700 | EN 1.4550 |
| Austenitic Stainless Steel 904L | ZG0Cr19Ni25Mo4Cu2 | SUS904L | AISI 904L / UNS N08904 | EN 1.4539 |
| Austenitic Stainless Steel 254SMO | ZG17Cr20Ni14Mo3Cu | SUS312L1 | AISI 254SMO / UNS S31254 | EN 1.4547 |
| Ferritic Stainless Steel 409 | 0Cr11Mo | SUS409 | AISI 409 / UNS S40900 | EN 1.4512 |
| Martensitic Stainless Steel 410 | 1Cr13 | SUS410 | AISI 410 / UNS S41000 | EN 1.4006 |
| Martensitic Stainless Steel 420 | 0Cr17Ni4Cu4Nb | SUS420 | AISI 420 / UNS S42000 | EN 1.4021 |
| Ferritic Stainless Steel 430 | 0Cr17 | SUS430 | AISI 430 / UNS S43000 | EN 1.4016 |
| Ferritic Stainless Steel 439 | 0Cr18Mn11Nb | SUS439 | AISI 439 / UNS S43900 | EN 1.4517 |
| Ferritic Stainless Steel 444 | 0Cr18Mn13Si | SUS444 | AISI 444 / UNS S44400 | EN 1.4521 |
| Ferritic Stainless Steel 446 | 0Cr25Mo4N | SUS446 | AISI 446 / UNS S44600 | EN 1.4762 |
| Martensitic Stainless Steel 416 | 0Cr13MoS4 | SUS416 | AISI 416 / UNS S41600 | EN 1.4005 |
| Duplex Stainless Steel 2205 | ZG2CrNiMo | SUS329J4L | UNS S32205 | EN 1.4462 |
| Duplex Stainless Steel 2304 | ZG0Cr23Ni5MoN | SUS329J1L | UNS S32304 | EN 1.4362 |
| Precipitation Hardening Stainless 17-4PH | ZG0Cr17Ni4Cu4Nb | SUS630 | UNS S17400 | EN 1.4542 |
| Martensitic Stainless Steel 431 | ZG1Cr17Ni2Mo | SUS431 | AISI 431 / UNS S43100 | EN 1.4057 |
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