FAQ
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Hong long is the service life of your wear plate?How many years can we use it ?
Up to now, our regular customers who have purchased our products for more than 15 years have not raised
What’s the difference between China NM grade and Swedish Hardox grade?
Our China NM grade wear plates have the same quality with Swedish Hardox grade wear plates,but our price is much cheaper than Hardox grade.So the customers will give priority to the choice of NM grade wear plates.
What technical support can you provide for wear resistant plates?
We can provide all kinds of wear resistant plate technical data,products brochures and free samples for our customers.
How do you guarantee the quality of wear plate?
In order to guarantee the quality ,we will cut the samples and send to SGS for testing before shipment.The test content mainly includes chemical components testing for Cr,Mo,Ni.Mn and Hardness testing.
How much can the surface hardness reach?
Wear resistant steel plate series NM360,NM400,NM450,NM500,NM550,its surface hardness can get to 360HBW-550HBW.