1.4521 Stainless Steel

All You Need to Know About Precipitation Hardening Stainless Steel X2CrMoTiNb18-2, 1.4521 According to EN 10088-3

What is 1.4521 Stainless Steel Grade

Bolts, nuts, hot water tanks, chimney ducts, and heat exchangers are all made of 1.4521 steel. Underwater applications are possible if the concentration of Cl-chlorides does not exceed 200 ppm. The limit is reduced for hot water or more conservative design requirements. According to ISO, the steel is classified as welding group 7.1. Weldability is excellent for small cross-sections but is limited for larger ones. Heating is recommended prior to welding.

What is the chemical composition of 1.4521 stainless steel?

The chemical composition of 1.4521 stainless steel is:

1.4521 steel chemical element % present
Carbon (C) [Max] 0.025%
Silicon (Si) [Max] 1.00%
Manganese (Mn) 1.00%
Phosphorus (P) [Max] 0.040%
Sulphur (S) [Max] 0.015%
Nitrogen (N) [Max] 0.30%
Chromium (Cr) [Max 17.0 to 20.0%
Molybdenum (Mo) [Max] 1.80 to 2.50%
Titanium (Ti) [Max] (4X(C+N)+0.15 to 0.80%

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