A heavy-duty Schedule 80 seamless pipe manufactured from marine-grade 316 Stainless Steel, designed specifically for high-pressure, highly corrosive fluid transfer systems in chemical and marine environments.
| Standard | DIN 933 |
| Material | 316 Stainless Steel |
| Finish | Plain |
| Grade | N/A |
| Pipe Size | 4.2" |
| Outside Diameter | 3.717" |
| Wall Thickness | 0.313" |
This Schedule 80 seamless pipe is flawlessly extruded from premium, marine-grade 316 Stainless Steel, offering exceptionally high levels of molybdenum-enhanced pitting and crevice corrosion resistance. It features a nominal pipe size of 4.2 inches, an outside diameter of precisely 3.717 inches, and a heavy-duty Schedule 80 wall thickness measuring 0.313 inches. This robust thickness allows the piping architecture to withstand extreme internal fluid pressures and dangerous hydraulic spikes without structural failure or wall blowout. Fully compliant with DIN 933 dimensional tolerances and rigorous international pressure piping codes, this pipe is the undisputed gold standard for chemical processing plants, offshore drilling platforms, and industrial desalination facilities where long-term material integrity is absolutely crucial.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Cut pipe square and deburr internal and external edges. 2. Clean pipe ends and fittings using an approved stainless steel solvent. 3. Assemble using standard threading or specialized TIG orbital welding. Do not use carbon steel brushes during prep to avoid iron contamination.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 9001:2015 Mfg |
| DIN Equivalent | Industry Standard |
| Primary Standard | DIN 933 |
| 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) | 16.0 - 18.0% |
| Nickel (Ni) | 10.0 - 14.0% |
| Molybdenum (Mo) | 2.0 - 3.0% |
| 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 | Excellent |
| Chemical / Acidic | Good |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using carbon steel wire brushes during prep | Only use dedicated, previously unused stainless steel wire brushes to prevent embedding iron particles that will cause immediate rust spots. |
| Over-torquing threaded fittings without lubrication | Stainless steel is notorious for thread galling (cold welding). Always apply premium PTFE tape or a nickel-based anti-seize compound before final assembly. |
A: Absolutely. The 316 alloy contains molybdenum, which specifically prevents chloride corrosion typical in marine and saltwater applications.
A: While specific ratings depend on temperature, the Schedule 80 0.313" wall thickness allows this pipe to handle significantly higher PSI than standard Schedule 40 pipes.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||