BS EN 2583:2019 - TC是一项关于热耐镍基合金NI-PH2601（Inconel 718）螺栓，MJ螺纹的技术规范。该标准适用于在温度范围为-55°C至+650°C的环境中使用的螺栓。该标准规定了该种螺栓的分类、尺寸、材料、机械性能、化学成分、表面处理、标记等要求。

该标准规定了NI-PH2601（Inconel 718）螺栓的分类为1 275 MPa（常温）/650°C。该标准还规定了螺栓的尺寸范围，包括螺纹直径、螺纹长度、螺栓长度等。此外，该标准还规定了螺栓的材料要求，包括化学成分、热处理、机械性能等。

该标准还规定了螺栓的表面处理要求，包括去除表面缺陷、清洁、防腐蚀处理等。此外，该标准还规定了螺栓的标记要求，包括标记内容、标记位置等。

BS EN 2583:2019 - TC标准的实施可以保证热耐镍基合金NI-PH2601（Inconel 718）螺栓的质量和性能，确保其在高温、高压、高负荷等恶劣环境下的可靠性和安全性。

相关标准
- BS EN 28673:1993 Aerospace series. Bolts, MJ threads, in heat resisting nickel base alloy NI-PH2601 (Inconel 718). Classification: 1 275 MPa (at ambient temperature)/650 °C. Dimensions, masses.
- BS EN 28674:1993 Aerospace series. Bolts, MJ threads, in heat resisting nickel base alloy NI-PH2601 (Inconel 718). Classification: 1 275 MPa (at ambient temperature)/650 °C. Short thread, reduced shank, with locking wire hole. Dimensions, masses.
- BS EN 28675:1993 Aerospace series. Bolts, MJ threads, in heat resisting nickel base alloy NI-PH2601 (Inconel 718). Classification: 1 275 MPa (at ambient temperature)/650 °C. Short thread, reduced shank, with locking wire hole. Dimensions, masses.
- BS EN 28676:1993 Aerospace series. Bolts, MJ threads, in heat resisting nickel base alloy NI-PH2601 (Inconel 718). Classification: 1 275 MPa (at ambient temperature)/650 °C. Short thread, reduced shank, with locking wire hole. Dimensions, masses.
- BS EN 28677:1993 Aerospace series. Bolts, MJ threads, in heat resisting nickel base alloy NI-PH2601 (Inconel 718). Classification: 1 275 MPa (at ambient temperature)/650 °C. Short thread, reduced shank, with locking wire hole. Dimensions, masses.