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High Carbon Chrome Steel Balls For Bearing one) Products information Products Name Chrome steel ball Products Sizes 3.175mm(1/8")to 101.6mm(4") Products Material GCr15 :AISI E52100,DIN100Cr6,JIS SUJ2(Smaller than 60mm) GCr15SiMn:SUJ3,100CrMn6(Bigger than 60.325mm /2"3/8") Products Use Various bearing .etc. Chrome steel ball ,or high carbon chrome steel ball,is actually an alloy steel ball which owes its enhanced properties to the presence of lager proportions of special alloying elements such as chrominum,manganese and silicon than are ordinarily present in carbon steel . It is a universal material for many applications,such as,ball and roller bearing industry and for a varity of automobile applications,Due to through hardening,it has an excellent surface quality ,superior wear resistance ,hard hardness and high load bearing capacity. TWO ) Material Comparison List StateChinaJapanAmericaGermanyFranceStandardGBJISAISIDINNFTitleGCr15SUJ-252100100Cr6100C6TitleGCr15SiMnSUJ-3100CrMn6Chemical composition Steel NO. Chemical Composition% C Si Mn P S Cr 100Cr6 0.90-1.05 0.15-0.35 0.25-0.45 ≤0.03 ≤0.025 1.35-1.65 100CrMn6 0.90-1.05 0.5-0.7 1.00-1.20 ≤0.03 ≤0.025 1.35-1.65 Three ) Delivery Time According to the quantity you need ,we may delivery the goods in 20 days to 60mm. Four ) Term of PaymentWhen the pay amount is less than USD10,000,We think the best payment is T/T.When the pay amount is more than USD30,000,We may consider L/C or T/T.Fifth )Packing 1,We packed the balls in cartons: One type inside having two box; One type inside having four box; Sixth ) Export Packing We pack our balls using steel pallet in our export business : (1),Put the plastic paper in the pallet.(waterproof) (2),put the ball carton into the pallet ,and fix the pallet. (3),Hooping the pallet tightly using the steel rods