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aluminium lounge recliner

Min. Order / Reference FOB Price
1 Set	US $100.00/ Set

Local Area:	Yantai, Shandong, China
R&D Capacity:	OEM, ODM, Other
Payment Terms:	LC, T/T, D/P, Paypal, Western Union

Brand:	Shangji
Type:	eps shape moulding machine
quality guarantee period:	1 year
density:	10-40kg/m3

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Product Description38CrMoAIA screw and barrel for extruder machine
Material
38 CrMoAlA(JIS SACM645); 42CrMo(JIS SCM440)
Hardness of nitrogen treatment
HV900°~1100°
Tempering hardeness
HV240 ° ~280°
Depth of nitrogen layer:
0.6~0.8mm
Nitrided Brittleness
above 1 stage
Surface Roughness
Ra0.4 um
Screw straightness
0.015mm
Hardess of surface chromium-plating after Nitriding
HV≥950HV
Chromium plating Depth
0.025-0.085mm
Alloy Depth
2.5mm-4mm
Alloy hardness
HRC62°~72°
Heating-treatment
nitrogen ,electroplated hard -chrome finish,high frequency quenchingPackaging & ShippingProduction FlowOur Services
1)Our products with more than 1 year guarantee for screw and barrel !
2)For each product will be inspected before shipment !
3)We can design the drawing according to cusotmer request !Company InformationFAQ
1.Q:What are we?
A:We are factory, with license of import and export goods by ourself.
2.Q:How to get to us?
A:The nearest airport is Wenzhou airport, and the nearest train station is Ruian station.
3.Q:How do we control the quality of screw barrel?

A:We have professional engineer and staffs to check every detail and dimensions from the raw materail, nitrding treatment and super grinding. We do the crucial nitriding treatment by ourself, we have nitriding ovens in depth8000mm, and do nitriding treatment in 7 days and nights, which greatly ensure the hardness of screw barrel.