What is the Important Step in the Production of Alloy 718

(What is the Important Step in the Production of Alloy 718)

In the aerospace or petrochemical industries, these important industries are
related to the national economy and people's livelihood. The trustworthy
Inconel718 is always a frequently mentioned term. Indeed, in the process of
using the popular Alloy 718, with the progress of industrial technology and the
development of urban economy, this alloy material has been applied to more and
more industries, playing an increasingly important role.

Several important steps in the production process of Alloy 718

1. Warm up

Cost-effective Alloy 718 workpieces require the most meticulous surface
cleaning before and during heating to keep surfaces clean. Alloy 718 alloy will
become very brittle if the heating environment contains phosphorus, lead or
other low melting point metals. Impurities come from marking paint, chalk, etc.
The sulfur content of fuel should be very low. For example, the impurity content
of liquefied gas and natural gas will be less than 0.1%, the sulfur content of
city gas should be less than 0.25 grams per cubic meter, and the content of
petroleum gas will be less than 0.25 grams per cubic meter. Sulphur content
below 0.5 percent is the best effect.

2. Grinding

The oxide near the weld of the cost-effective Alloy 718 alloy is more
difficult to handle than the stainless steel, so at this time it is necessary to
use a fine abrasive belt for grinding, before pickling in a mixed acid of nitric
acid and hydrofluoric acid, Also use sandpaper to remove oxides or use a salt
bath for reasonable pretreatment.

3. Machining

Machining of reliable Alloy 718 must be carried out after solution treatment,
and all aspects must be considered, especially the work hardening of the
material, but it is very important that Alloy 718 is more suitable for low
surface cutting.

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(What is the Important Step in the Production of Alloy 718)