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1. High precision involute gear for screw air compressor, 2. Precision can reach DIN 4/ AGMA 13, 3. Gear modulus: 3 mm - 50 mm - details see: https://www.machineto.com/concrete-machinery-gear-10078831

Material	Alloy Steel	Casting Steel	Gray cast iron	Ductile Iron	Weldment
	20CrMnTi	20CrMnTi	HT200	QT400-18	20CrMnTi
	20CrMnMo	20CrMnMo	HT250	QT400-15	20CrMnMo
	20 CrMo	20 CrMo			20 CrMo
	35CrMo	35CrMo			35CrMo
	42CrMo	42CrMo			42CrMo
	20Cr2Ni4A	20Cr2Ni4A			20Cr2Ni4A
	20CrNiMo	20CrNiMo			20CrNiMo
	20CrNi2Mo	20CrNi2Mo			20CrNi2Mo
	40CrNiMo	40CrNiMo			40CrNiMo
	18CrNiMo7-6	18CrNiMo7-6			18CrNiMo7-6
	17CrNiMo6	17CrNiMo6			17CrNiMo6
	34 CrNiMo6	34 CrNiMo6			34 CrNiMo6
	18Cr2Ni4WA	18Cr2Ni4WA			18Cr2Ni4WA
	18Cr2Ni4WE	18Cr2Ni4WE			18Cr2Ni4WE
	45 C	45 C			45 C
	40Cr	40Cr			40Cr
	38CrMoAl	38CrMoAl			38CrMoAl
	16Mn	16Mn			16Mn
	16MnCr5	16MnCr5			16MnCr5
	GCr15	GCr15			GCr15
Modulus	3mm-5mm
Accuracy	DIN Class 4, ISO/GB Class 4, AGMA Class 13, JIS Class 0
Standard	DIN, ISO/GB, AGMA, JIS
No. of teeth	more than 12
Heat treatment	Quenching and tempering, gear teeth induction quenching, nitriding, carburization
Application	Wind turbine, locomotive, feeding machinery, metallurgy machinery, mining machinery
Out diameter	300mm min., 2500mm max.
Gear shaft length	2500mm max.
Gear width	600mm max.
Weight	15 tons max.