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Nitrideferrochrome

Nitride ferrochrome
Uses:

Nitride ferrochrome is widely used in smelting nitrogen steel in electric furnaces and basic oxygen converter. Nitrogen is the formation element of austenite. It can replace the nickel by adding in .manganese and Cr-Mn-Ni stainless steel as a component.

Product quality standard implement industry standard YB/T5140-93
Appearance quality

  There are no obvious non-metallic inclusions in the inner side of chromium nitride and surface. There is no obvious molten state in the surface and inner side of solid nitriding alloy.

Packing

The product is packed in woven bags, and the net weight is 1000kg of each bag.

Physical state
Nitride ferrochrome is delivered in blocks; the weight of each block should be less than 15kg. The amount of nitride ferrochrome with the size less than 10mm×10mm should not exceed 10% of the total amount.
Grade and chemical composition
Grade chemical composition%
Cr N C Si P S
FeNCr3-A 60.0 3.0 0.03 1.5 0.03 0.04
FeNCr4-B 60.0 5.0 0.03 2.5 0.03 0.04
JCr99.5-A 60.0 3.0 0.06 1.5 0.03 0.04
FeNCr6-B 60.0 5.0 0.06 2.5 0.03 0.04
FeNCr10-A 60.0 3.0 0.10 1.5 0.03 0.04
FeNCr10-B 60.0 5.0 0.10 2.5 0.03 0.04
Note:
⑴ (1) A applies in the re-melting products after nitriding and the nitrogen content doesn’t include nitrogen adsorption.
⑵ (2) B applies in solid nitriding alloys.
⑶(3) After the negotiation of both sides, the silicon content can be supplied should be not more than 3.0%.

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