Industrial Grade SS Welded Pipes Schedule 5S To 40S Cut To Size
Price:
Negotiable (Request a Quote)
MOQ:
100kg
Delivery Time:
15-25days
Brand:
Baosteel，TISCO
Product Description
Industrial Grade Stainless Steel Welded Piping is manufactured from high-quality austenitic stainless steel coils through a continuous roll forming and longitudinal welding process. Designed specifically for demanding industrial environments, this piping offers reliable corrosion resistance, consistent mechanical properties, and cost-effective performance. Unlike decorative or architectural grades, industrial grade piping prioritizes structural integrity, pressure rating, and weld quality over surface appearance. It is an excellent choice for process piping, utility systems, fluid transport, and structural applications where durability and value are essential.
Product Specifications
| Parameter | Details |
|---|---|
| Standards | ASTM A312, A269, A358; EN 10217-7; JIS G3459 |
| Available Grades | 304, 304L, 316, 316L, 201 |
| Outer Diameter | 6 mm – 1219 mm (1/8″ – 48″ NPS) |
| Wall Thickness | 0.5 mm – 12.7 mm (Schedule 5S, 10S, 40S) |
| Length | 6m standard; custom lengths up to 12m |
| Welding Process | TIG (GTAW), ERW, Laser, or Plasma |
| Weld Seam | Single longitudinal seam |
| Heat Treatment | Annealed after welding (standard) |
| Surface Finish | Mill finish or pickled |
| End Finish | Plain ends or beveled ends |
Chemical Composition (Typical Values, %)
| Grade | C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|---|
| 304 | 0.08 | 0.75 | 2.00 | 0.045 | 0.030 | 18.0-20.0 | 8.0-10.5 | – |
| 304L | 0.03 | 0.75 | 2.00 | 0.045 | 0.030 | 18.0-20.0 | 8.0-12.0 | – |
| 316 | 0.08 | 0.75 | 2.00 | 0.045 | 0.030 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| 316L | 0.03 | 0.75 | 2.00 | 0.045 | 0.030 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| 201 | 0.15 | 0.75 | 5.5-7.5 | 0.045 | 0.030 | 16.0-18.0 | 3.5-5.5 | – |
Mechanical Properties (at Room Temperature)
| Grade | Tensile Strength (MPa) min | Yield Strength (MPa) min | Elongation (%) min | Hardness (HB) max |
|---|---|---|---|---|
| 304 | 515 | 205 | 35 | 201 |
| 304L | 485 | 170 | 35 | 201 |
| 316 | 515 | 205 | 35 | 217 |
| 316L | 485 | 170 | 35 | 217 |
| 201 | 515 | 275 | 35 | 241 |
Tested in accordance with ASTM E8 / E8M.
Key Features
- Cost-Effective – Lower cost than seamless piping
- Large Diameter Capability – Up to 48″ (1219 mm)
- Consistent Wall Thickness – High dimensional accuracy
- Annealed After Welding – Restores corrosion resistance
- 100% Hydrostatic Tested – Verified pressure integrity
- Corrosion Resistance – Suitable for water, steam, mild chemicals
- Good Weldability – Easy to join with standard methods
- Low Maintenance – No painting or coating required
Industrial Grade vs. Other Grades
| Property | Industrial Grade | Architectural Grade | Sanitary Grade |
|---|---|---|---|
| Surface finish | Mill / Pickled | Brushed / Polished | Polished / Electropolished |
| Surface appearance | Not critical | Important | Critical |
| Weld seam finish | As-welded | Ground / Blended | Smooth / Flushed |
| Tolerances | Standard | Tight | Very tight |
| Cost | Lowest | Medium | High |
| Typical applications | Process piping, utilities | Handrails, furniture | Food, pharma, biotech |
Dimensional Tolerances (ASTM A312)
| Parameter | Tolerance |
|---|---|
| Outer diameter | ±0.4 mm for OD ≤ 48.3 mm; ±0.8% for larger |
| Wall thickness | ±12.5% |
| Length (fixed) | +0 / -3 mm |
| Straightness | 0.2% of total length |
Schedule Wall Thickness (ASME B36.19)
| NPS (inch) | OD (mm) | Schedule 5S (mm) | Schedule 10S (mm) | Schedule 40S (mm) |
|---|---|---|---|---|
| 1/2″ | 21.3 | 1.65 | 2.11 | 2.77 |
| 1″ | 33.4 | 1.65 | 2.77 | 3.38 |
| 2″ | 60.3 | 1.65 | 2.77 | 3.91 |
| 3″ | 88.9 | 1.65 | 3.05 | 5.49 |
| 4″ | 114.3 | 1.65 | 3.05 | 6.02 |
| 6″ | 168.3 | 1.65 | 3.40 | 7.11 |
| 8″ | 219.1 | 1.65 | 3.76 | 8.18 |
| 10″ | 273.1 | – | 4.19 | 9.27 |
| 12″ | 323.9 | – | 4.57 | 9.53 |
Applications
Chemical & Petrochemical
- Process piping systems
- Cooling water lines
- Utility steam and condensate
- Mild chemical transfer
Water Treatment
- Potable water distribution
- Reverse osmosis feed lines
- Wastewater and effluent lines
- Filtration system piping
Food & Beverage (non-sanitary)
- Non-contact utility water
- CIP supply lines (non-product)
- Facility utility piping
Oil & Gas
- Utility water systems
- Fire protection mains
- Low-pressure gathering lines
- Compressed air systems
Power Generation
- Cooling water circuits
- Low-pressure steam lines
- Instrument air systems
General Industrial
- Compressed air distribution
- Hydraulic return lines
- Plant utility piping
- Process cooling systems
Structural
- Handrails and guardrails
- Scaffolding and supports
- Equipment platforms
Industrial Welded vs. Seamless Piping
| Property | Industrial Welded | Seamless |
|---|---|---|
| Cost | Lower (20-40% savings) | Higher |
| Lead Time | Shorter | Longer |
| Max Diameter | 48″ (1219 mm) | 24″ (610 mm) |
| Wall Consistency | Excellent | Good |
| Weld Seam | Present – NDT verified | None |
| High Pressure Service | Moderate | High |
| Typical Applications | Utilities, process lines | Critical, high-pressure |
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For inquiries, technical datasheets, or custom sizes, please contact our sales team.
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Company
Shanxi Zhongcheng Metal Co., Ltd.
Location
Room 2, No. 221 Tianzhang Avenue, Fengdong New City, Xi'an, Shaanxi Province
Contact Person
Zhongcheng Metal