This 3.9" NPS Schedule 40 seamless pipe, manufactured from premium 304 stainless steel, offers exceptional corrosion resistance and structural integrity for critical industrial applications requiring reliability and longevity.
| Standard | ASME B18 |
| Material | 304 Stainless Steel |
| Finish | Anodized |
| Grade | N/A |
| Pipe Size | 3.9" |
| Outside Diameter | 4.996" |
| Wall Thickness | 0.288" |
A proven choice for industrial professionals, this 3.9" NPS Schedule 40 seamless pipe boasts a precise 4.996" outside diameter and a robust 0.288" wall thickness. Fabricated from 304 stainless steel, it delivers superior resistance to a broad spectrum of corrosive media and elevated temperatures, making it ideal for chemical processing, food and beverage production, and high-purity fluid transfer systems where material integrity is paramount. Its seamless construction ensures uniform wall thickness and enhanced pressure-bearing capabilities compared to welded alternatives.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Ensure pipe ends are clean, deburred, and free from any defects. Prepare for welding or connection according to specified joining method. 2. Carefully align pipe sections to maintain straightness and prevent undue stress on the system. 3. Execute connections (e.g., welding, threading, flanging) strictly adhering to industry best practices and material compatibility guidelines.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 9001:2015 Mfg |
| DIN Equivalent | Industry Standard |
| Primary Standard | ASME B18 |
| Tensile Strength | 75,000 psi (515 MPa) |
| Yield Strength | 30,000 psi (205 MPa) |
| Elongation in 2 in. | 40% min |
| Hardness | Rockwell B95 max |
| Carbon (C) | 0.08% max |
| Chromium (Cr) | 18.0 - 20.0% |
| Nickel (Ni) | 8.0 - 10.5% |
| Manganese (Mn) | 2.00% max |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| Standard | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Good |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Improper end preparation leading to poor weld quality or leaks. | Thoroughly clean and deburr all pipe ends, ensuring a smooth, uniform surface for connection. |
| Ignoring material compatibility with the conveyed fluid, leading to premature corrosion. | Verify that 304 stainless steel is suitable for the specific chemical environment and operating temperatures. Consult corrosion charts if necessary. |
A: This Seamless Pipe, Schedule 40 is manufactured from 304 Stainless Steel.
A: Chemical Processing Pipelines, Food and Beverage Industry Transfer Lines, High-Purity Water Systems, Pharmaceutical Manufacturing, Marine and Offshore Applications.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||