Quality for the global marketplace

Our program of materials:

Tensile strength in different wall thicknesses
Materials	Relevant wall thickness mm		Tensile strength in attached test coupon	Tensile strength Expected values in castings	Brinell hardness HB 30		Compression strength s dB
Materials	above	up to	Rm = N/mm²	Rm = N/mm²	min.	max.	N/mm²
GG-20 EN-GJL-200	2,5	5		230	190	275	720
	5	10		205	170 >	260
	10	20		180	150	230
	20	40	170	155	135	210
	40	80*)	150	130	120	195
GG-25 EN-GJL-250	5	10		250	200	275	840
	10	20		225	180	255
	20	40	210	195	160	235
	40	80*)	190	170	145	215
GG-30 EN-GJL-300	10	20		270	200	275	960
	20	40	250	240	180	255
	40	80*)	220	210	165	235

Materials	Reference no. of basic materials	Materials according to European standard DIN EN 1561	Reference no. of basic materials	Separately cast test bar		Density p g/ccm
Materials	Reference no. of basic materials	Materials according to European standard DIN EN 1561	Reference no. of basic materials	Tensile strength ) Rm N/mm²*	Brinell hardness HB 30	Density p g/ccm
GG-20	0.6020	EN-GJL-200	EN-JL-1030	200-300	180-220	7,15
GG-25	0.6025	EN-GJL-250	EN-JL-1040	250-350	190-230	7,20
GG-30	0.6030	EN-GJL-300	EN-JL-1050	300-400	200-240	7,25
*) 30-mm test bar