@jacqueslees: Low-Temperature Fishplate​ DY-30 Fishplate Chemical Composition (by weight, %) C: 0.20–0.38 Mn: 1.30–1.50 Si: 0.28–0.33 P: ≤0.035 S: ≤0.035 Cr: 0.10–0.30 V: approx. 0.1 Nb: residual Cu: residual Ni: residual Mo: 0.02–0.20 Ti: ≤0.1 Note: Carbon equivalent (CE): C + Mn/6 + (Cr + Mo)/5 + (Cu + Ni)/15 ≡ 0.60 Mechanical Properties after Heat Treatment​ (Quenched at 900 °C, tempered at 600 °C) σb (tensile strength): 1082.3 MPa σs (yield strength): 960.8 MPa δ (elongation): 15.3% ψ (reduction of area): 57% Ak (impact energy): 53.5 J at −30 °C Cold bend test: 180° Fatigue strength: (value not specified)

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Thursday 10 September 2026 07:05:43 GMT