ASTM A312 TP304 Seamless Stainless Steel Pipe 6mm-630mm OD 1mm-50mm Wall Thickness for Petrochemical Industry
Product Introduction
This ASTM A312 TP304 seamless stainless steel pipe is manufactured using advanced hot finishing and cold drawing processes to ensure superior dimensional accuracy and surface quality. Made from premium-grade 304 austenitic stainless steel, it offers excellent corrosion resistance in oxidizing environments and outstanding formability. Each pipe undergoes rigorous non-destructive testing including eddy current and hydrostatic pressure testing to guarantee reliability for critical industrial applications.
Product Specifications
| Parameter | Specification |
|---|---|
| Product Type | Seamless Stainless Steel Pipe |
| Standard | ASTM A312 / ASME SA312 |
| Steel Grade | TP304 |
| OD Range | 6mm - 630mm |
| Wall Thickness | 1mm - 50mm |
| Length | 5.8m, 6m, 11.8m, 12m or Custom Cut |
| Surface Finish | Pickled, Annealed, Bright Annealed |
| Pipe End | Plain End, Beveled End |
| Production Process | Hot Finished / Cold Drawn |
| Inspection | Eddy Current Testing, Hydrostatic Testing, PMI |
Chemical Composition (wt%)
| Parameter | Specification |
|---|---|
| Carbon (C) | ≤0.08 |
| Manganese (Mn) | ≤2.00 |
| Silicon (Si) | ≤1.00 |
| Phosphorus (P) | ≤0.045 |
| Sulfur (S) | ≤0.030 |
| Chromium (Cr) | 18.0-20.0 |
| Nickel (Ni) | 8.0-10.5 |
Mechanical Properties
| Parameter | Specification |
|---|---|
| Tensile Strength | ≥515 MPa |
| Yield Strength | ≥205 MPa |
| Elongation | ≥35% |
| Hardness | ≤201 HBW / ≤90 HRB |
Application Areas
Petrochemical processing plants, Oil and gas pipeline systems, Chemical industry fluid transport, Heat exchangers and condensers, Boiler and pressure vessel tubing, Food processing equipment, Pharmaceutical industry piping, Water treatment facilities
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