He mea hanga mai i te koranu koranu me te carbide matrix rapa, he rere motuhake kei runga i te mata me te tae kia kitea te rahi o te kirikiri. Ko te rauemi matua o te rahi matūriki ko tungsten carbide, e pakeke e pā ana ki HRA89-91. Ko te kaha tensile e pa ana ki te 690MPa