Trademark	Physical and mechanical properties
	Density  (g/cm3)	Hardness  (HRC)	Tensile strength (MPa)	Elongation (%)	Impact toughness (MJ/m2)
W273	17.10±0.15	≥23	≥900	≥24	≥1.30
W263	17.25±0.15	≥23	≥900	≥23	≥1.20
W253	17.40±0.15	≥24	≥900	≥22	≥1.10
W243	17.60±0.15	≥24	≥920	≥20	≥0.90
W232	18.10±0.15	≥25	≥920	≥14	≥0.45
W231	18.30±0.15	≥26	≥920	≥12	≥0.30
W221	18.50±0.15	≥27	≥920	≥10	≥0.22
WNiCu	16.00-18.50	≥22	≥450	2-8	-