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Характеристики

 

 

 

   

Product description                                                             

 

 

Delivery condition (strip,coil,sheet)	Grade based on DIN Standard	High quality heat treating steel strip, coil, sheet supply capacity and condition
		Hardness<20HRC		Hardness 29-55HRC
		annealed		hardened and tempered
		thickness	Width	thickness	Width
High carbon steel	CK50,CK55, CK60,CK67, CK70,CK75, C75Cr1	0.15-2.5mm	8-600mm	0.15-2.5mm	8-300mm
Alloy spring steel	50CrV4, 51CrV4, 60Si2Mn	0.20-2.2mm	8-180mm	0.20-2.2mm	8-180mm
Stainless spring steel	3Cr13-6Cr13	0.20-2.5mm	8-150mm	0.20-2.5mm	8-150mm
Edge process	slit edge; both rounded; one side round, one side slit; square etc
Finish surface	polished (blue, yellow, white, grey-blue, black, bright) or Nature etc
Tolerance	thickness +/-0.01mm max; width +/-0.05mm max
Physical property	Tensile strength: 450-1850N/mm2

 

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Surface details                                                               

 

Package&delivery                                                                 

 

 

Application                                                                     

 

Product Quality control                                                             

 

How should quality control be organized?

 

there are 3 satges of operaton in the control quality

 

1)raw material

 

the acceptance or rejection of raw material is normally the duty of the analytical chemists Dept,their duty is to decide whether the material is good or not,inspection is usually combined with sampling and is the most important part of raw material inspection.

 

2)process of manufacture

 

GWYL is a professional and original producer and exporter over 10 year,it has the best skilled experts and compelte equipment to product high carbon spring steel strip,controlling every production line

 

 

 

3)inspection of the finished product :QC control strictly,all the order of the finished product is inspected by the QC,including check the surface,hardness,thickness,width,edge,package and so on.if not meet the customer's requirement by inspected,it will be not pass and reproduct.

 

Production show                                                                    

Laboratory equipments                                                              

 

 

Certificate