Zeron Fastners
RTJ Type Lap Joint Flanges
Zeron Fasteners offers RTJ (Ring Type Joint) Type Lap Joint Flanges designed for high-pressure and high-temperature applications. These flanges feature precision-machined grooves to house RTJ gaskets, providing a superior leak-proof seal in critical piping systems such as oil refineries, petrochemical plants, and power generation facilities.
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Chemical Composition
| Element | C | Mn | P | S | Si | Ni | Cr | Mo | N |
|---|---|---|---|---|---|---|---|---|---|
| Content (%) | ≤ 0.03 | ≤ 2.00 | ≤ 0.040 | ≤ 0.030 | ≤ 0.75 | 10.0 – 14.0 | 16.0 – 18.0 | 2.0 – 3.0 | 0.10 – 0.16 |
Mechanical Properties
| Tensile Strength | Yield Strength (0.2% offset) | Elongation | Hardness |
|---|---|---|---|
| ≥ 580 MPa (≈ 84 ksi) | ≥ 290 MPa (≈ 42 ksi) | ≥ 40% | ≤ 95 HRB |