Rings are manufactured according to international standards or customer specifications, in a large range of readily available steel grades (weldable carbon steel, low-alloy steels, alloyed steels for carburizing or nitriding, and stainless steel).

External Diameter Ø D, mm	Internal Diameter Ø d, mm	Height H, mm	Thickness t, mm	Weight Kg
500 – 4500 (19.68 – 177.17 in)	Min 300 (Min 11.81 in)	50 – 500 (1.97 – 19.68 in)	50 – 500 (1.97 – 19.68 in)	100 – 4000 (220 – 8818 lbs)
Applications	Steel Grades	ASTM	SAE	Key to Steel	Available from Stock
Off-Shore	X2CrNiMoN25-7-4	A182 F53		1.4410	300 – 2.000 kg
	14CrMoV6-9			1.7735	100 – 450 kg
	X2CrNi19-11	AISI 304		1.4301	300 – 2.000 kg
	X5CrNiMo17-12-2	AISI 316		1.4401	300 – 2.000 kg
Slewing rings	42CrMo4	A829 4140 / 4142	4140 / 4142	1.7225	Full Range
	C50	A108	1050	1.5040	300-1200 kg
Gearboxes	34CrNiMo6	A322	4340	1.6582	Full Range
	18CrNiMo7-6	A322	4820	1.6587	Full Range
	31CrMoV9			1.8519	700 – 3.000 kg
	40NCD7	A320L43		1.6565	300 – 2.000 kg
Rolls & Dies	51CrV4		AISI 6150	1.8159	300 – 1.200 Kg
	X50CrMoV15			1.4116	300 – 1.200 Kg
	X46Cr13	A276		1.4034	300 – 1.200 kg
Flanges	S355J2	A656		1.0577	Full Range
	S355K2	A656		1.0596	Full Range
	S690QL	A514		1.8928	500 – 2.000 Kg
	35S20		1140/1146	1.0726	300 – 1.200 Kg
Knitting Machines	38MnSi4			1.5120	300 – 1.200 Kg