Machined Seamless Forged Roller Ring, Slewing Ring Bearing for Crane

Basic Info.

Surface Treatment	Polishing
Forging Tolerance	+/-0.1mm
Standard	ASTM
Certification	CE, ISO 9001:2000, ISO 9001:2008
Alloy or Not	Alloy
Shape	Round Ring
Diameter	3.5 Meter Maximum
Raw Material	Steel Ignot/Steel Billet
Craft	Forging, Heat Treatment, Machining
Apply	Crusher, Sand Maker, Needle Board
Tolerance	±1%
Key Words	Ring Forging, Forged Ring
Steel Grade	4140, 4130, 304L, 316L, 321, P11, F22, 434
Transport Package	Wooden Case
Trademark	QianLai
Origin	China
Production Capacity	50000 Tons/Year

Product Description

Steel Grade	4140,4130,A1050,F11,5140,304L,316L,321,P11,F22,4340
	1.2344, 17CrNiMo6, 20MnMo, S355NL
	18CrNiMo7-6
	42CrMo, 40CrNiMo