Custom Quiet-Rolling Conveyor Rollers for Engineering & Construction Machinery Parts

Product Description

 Forging Roller Introduction:   

Mechanical Property

Mechanical Property	Centrifugal Castings	Static Castings
Hardness of Body	HSD50-80	HSD40-75
Hardness of Neck	HSD35-48	HSD-32-55
Tensile Srength of Core	>450MPa	>300Mpa

Chemical Analysis

Grade	Hardness (HSD)	C	Si	Mn	Ni	Cr	Mo	Mg	P	S
SGI	40-55	3.2-3.7	1.0-2.5	0.5-1.0		0.2-0.6	0.2-0.6	>0.04	<0.2	<0.03
SGII	55-70	3.2-3.7	1.2-205	0.5-1.0		0.2-0.6	0.2-0.6	>0.04	<0.2	<0.03
SGIV	48-70	3.2-3.7	1.0-2.5	0.5-1.0	0.5-1.0	0.2-0.6	0.2-0.6	>0.04	<0.2	<0.03
SGV	48-70	3.2-3.7	1.0-2.5	0.5-1.0	1.0-3.0	0.3-1.2	0.2-0.8	>0.04	<0.2	<0.03
SGVI	42-52	2.9-3.5	1.5-2.4	0.4-0.8	1.0-2.5	0.1-0.5	0.4-0.8	>0.04	<0.2	<0.03
SGVII	55-75	2.9-3.5	1.5-2.4	0.4-0.8	2.5-.5	0.1-0.5	0.4-1.0	>0.04	<0.2	<0.03

Company Profile:
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FQA

Q1: Are you a factory or trading company?	A: We are factory located in Qingdao, specializing in custom forging,casting,machining,stamping and welding service.
Q2. Can you produce according to samples if no drawing?	A: Yes, we have professional engineer to work out drawings according to your sample.
Q3. How long can i get reply?	A: We will reply within few minutes in working times and within 24 hours in holidays.
Q4: What is your sample policy?	A: Sample cost will be charged for customization but will refund in mass order.
Q5: What is the lead time for both sampling and production?	A: It takes 3-7 days for sampling while production lead time is 15-30 days upon quantity.
Q6: What is your payment terms?	A: We accept 50% as deposit and 50% balance before shipment.
Q7: What is your MOQ?	A: It will depends on the size of the product,for big size product,MOQ is 1pcs.
Q8: What is the ship way?	A: We can accept any ship way,like sea freight,air freight,Fedex,DHL.....