What’s The Difference Between 304 Grade And 316 Grade Stainless Steel?

Outwardly, there is no distinction by any means, 304 grade steel and 316 grade steel are cleaned, grained and completed in precisely the same way. The best way to decide the thing that matters is to demand a material test report (MTR).

It’s in the material ‘make-up’ that the distinctions can be found and albeit the distinctions are exceptionally slight, they truly do modify the reason for which each sort of steel can be utilized.

In the most straightforward manner I can marshal, the contrast between 304 grade tempered steel and 316 grade hardened steel is as per the following:

· 304 – contains 18% chromium and 8% nickel


· 316 – contains 16% chromium, 10% nickel and 2% molybdenum

Differences’ meaning could be a little more obvious.

With the expansion of molybdenum to 316 grade tempered steel, the protection from erosion is upgraded, especially against chlorides [such as ocean water and de-icing salts]. This improved erosion assurance makes 316 not the same as 304 treated steel.

The case for 304 grade hardened steel

304 grade hardened steel is viewed as the most adaptable and broadly utilized of the austenitic treated steels. The 304 steel type is fit for meeting a wide assortment of actual prerequisites making it an optimal material to use for applications, for example, wheel covers, kitchen hardware and capacity tanks.

304 steel gives great obstruction against moderate acidic assault, yet is viewed as sub-par when contrasted with the 316 steel type.

The case for 316 grade treated steel

When contrasted and 304, 316 is viewed as more Welding neck flanges intensity safe and gives prevalent consumption obstruction, because of the presence of the molybdenum component.

316 is viewed as undeniably more impervious to various compound arrangements like sulphuric corrosive, bromides and iodides. Its capacity to endure such arrangements make it the favored material of purpose for applications to be introduced in drug offices or clinical conditions.

In a few drug offices grade 316 applications are expected, by regulation, to be introduced to forestall over the top metallic pollution.

All in all, Which Is Ideal?

The solution to this question is emotional, both steel types have their purposes, it’s an issue of assessment. For example, analysts inside the security business would contend the case for type 304 steel. An extent of ‘specialists’ across the security business debate the ‘unrivaled’ consumption safe cases set forward for type 316 steel.

It very well may be contended that 304 steel has a superior capacity to adapt to actual effect contrasted and 316 sort steel. Consequently, 304 sort steel makes for better security applications.