Standard Grade ASTM B135 C28000 EN 12449 CuZn40 JIS H3300 C2800 GB/T 1527 H59 Cu 59-63 59.5-61.5 59-63 57-60 Pb 0.3 0.3 0.1 0.5 Al 0.05 Sn 0.2 Fe 0.07 0.2 0.07 0.3 Ni 0.3 Zn Balance Balance Balance Balance Total impurities 1.0 Condition H58 R340 O M R410 OL M2 R470 1/2 H Y2 H Y Yield Strength N/mm2 250max 250 min 400 min Tensile Strength N/mm2 54 ksi min 340 315 340 min 55 ksi min 410 315 370 min 470 375 410 min 450 470 min Elongation (%) - 35 35 - 18 35 - 5 15 Hardness Hv5 HR30T 53min - 75-105 HR30T 70min 60 max 85-115 55 min 100-130 - 125 min Typical use It has good flaring and bending properties, drawability and suitable for plating. Applicable to heat exchanger, curtain rod, sanitary tube, parts for various apparatuses and machinery, antenna rod, etc. Weight Formula Average Wall: (OD-WT) x WT x 0,0267= Kg/m (all sizes in mm)