Blog

Steel Expertise

Practical knowledge on materials, standards and applications โ€“ drawn from experience in power plant and plant construction.

Materials Science

Duplex or Superduplex? 1.4462 and 1.4410 Compared

Microstructure, PREN value and corrosion resistance โ€“ when 1.4462 is enough and when it has to be 1.4410.

15 July 2026
Materials Science

Nickel-Base Alloys: Alloy 625, 825 and C276 at a Glance

Properties, material numbers and typical applications of the most important nickel-base alloys.

8 July 2026
Plant Construction

DN, PN and Schedule: Pipe Reference Figures Explained Simply

Nominal diameter, pressure rating and wall thickness โ€“ the most important pipe reference figures explained clearly.

24 June 2026
Materials Science

Corrosion Protection of Steel: Galvanising, Coating or Stainless Steel?

Hot-dip galvanising, coating or stainless steel? The three routes to corrosion protection and when each fits.

20 May 2026
Plant Construction

Material Selection in Apparatus and Vessel Construction

From pressure vessel steel to nickel-base alloy: the right material for apparatus and vessels.

15 April 2026
Guide

Buying Steel in Austria: Inspection Certificate, Delivery Time and What Matters

Grade, inspection certificate 3.1, delivery time and a personal contact โ€“ what matters when buying steel in Austria.

18 March 2026
Power Plant Technology

Boiler Overhaul and Plant Optimization: Planning Components in Good Time

From piping to platforms to burners and sight glasses: which components belong on the list in good time during an overhaul or retrofit.

June 20, 2026
Materials Science

Stainless Steel 1.4301 or 1.4571? Choosing the Right Grade

Why the titanium stabilization and molybdenum content of 1.4571 make the difference โ€“ and when 1.4301 is enough.

May 13, 2026
Plant Construction

Flanges to EN 1092-1: Types, Sealing Faces and Pressure Ratings

Weld-neck, blind or lap-joint flange? Types, sealing faces and PN pressure ratings in piping construction.

November 4, 2025
Materials Science

S690QL and S960QL: High-Strength Fine-Grain Structural Steels in Practice

How quenched and tempered fine-grain steels save weight โ€“ and what you need to watch for in processing and welding.

March 25, 2025
Materials Science

S235 or S355? Selecting the Right Structural Steel

Yield strength, weldability, cost: when the higher-strength S355 makes sense โ€“ and when S235 is enough.

December 3, 2024
Power Plant Technology

Which Steel Grade for Steam Lines in a Power Plant?

How temperature, pressure and service life determine the material choice for live-steam and superheated-steam lines.

September 17, 2024
Quality & Standards

Inspection Certificate 3.1 or 2.2? Inspection Documents to EN 10204 Explained

What lies behind 2.1, 2.2, 3.1 and 3.2 โ€“ and which certificate you really need for which application.

June 11, 2024
Materials Science

16Mo3, 13CrMo4-5 or 10CrMo9-10? Creep-Resistant Steels Compared

How chromium and molybdenum determine creep strength โ€“ and when switching to the higher-alloyed grade pays off.

March 5, 2024