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Property | Base Tube (ASME SA335 P11 Alloy Steel) | Fin Material (Gr.11 Alloy Steel) |
---|---|---|
Outer Diameter (OD) | 19.05 mm - 114.3 mm | Customizable based on design |
Wall Thickness | 1.2 mm - 10 mm | - |
Fin Thickness | - | 1.5 mm - 3.5 mm |
Fin Height | - | 20 mm - 50 mm |
Fin Type | - | Serrated (HFW) |
Fin Attachment | Welded or mechanically bonded to base tube | - |
Element | ASME SA335 P11 (Base Tube) | Gr.11 Alloy Steel (Fin Material) |
---|---|---|
Carbon (C) | 0.05% - 0.15% | 0.05% - 0.15% |
Manganese (Mn) | 0.30% - 0.60% | 0.30% - 0.60% |
Phosphorus (P) | 0.025% (max) | 0.025% (max) |
Sulfur (S) | 0.025% (max) | 0.025% (max) |
Chromium (Cr) | 1.00% - 2.50% | 1.00% - 2.50% |
Molybdenum (Mo) | 0.44% - 0.65% | 0.44% - 0.65% |
Nickel (Ni) | 0.30% (max) | 0.30% (max) |
Silicon (Si) | 0.50% - 1.00% | 0.50% - 1.00% |
Property | ASME SA335 P11 (Base Tube) | Gr.11 Alloy Steel (Fin Material) |
---|---|---|
Tensile Strength | 415 - 550 MPa | 450 - 550 MPa |
Yield Strength | 205 MPa (min) | 220 MPa (min) |
Elongation | ≥ 30% | ≥ 20% |
Hardness | Brinell hardness: 160 - 190 HB | Brinell hardness: 170 - 210 HB |