... Layer (mm)Application Life (CBM)Hardened 1254.5below 9 148(mm)Multiunit Flange60-65 2-2.520,000 ... 40,000 7152-148(mm) Multiunit Flange3.0-4.040,000-50,000 Common 1254.5below 9148( ... mm)Multiunit Flange108,000Pipe 4.85148(mm )Multiunit Flange1,000(45Mn2)5148(mm ) ... ,000Layer 3+2148(mm)Multiunit Flange350,000Piep (45Mn2)4+3152-148(mm) Multiunit Flange4.570,000Common1254below 9148( ...