Product description
What Does S420M Steel Stand for?
S symbols for structural steel;
420 number indicates of the minimum specified yield strength for thickness ≤ 16mm expressed in MPa;
M shows the delivery condition(with specified minimum values of impact energy at temperatures not lower than -20℃, designed as M)
What’s S420M Fine Grain Structural Steel
Hot rolled steel S420M is a kind of weldable fine grain structural It is delivered for thermomechanical rolled The Material number is . S420M steel products are available in thickness ≤ 120mm for flat products and in thickness ≤ 150mm for long
S420M Steel Plates Application
In addition to EN 10025-1 the S420M steel specified in this document are especially intended for use in heavily loaded parts of welded structures such as bridges, flood gates, storage tanks, water supply tanks, , for service at ambient and low
Subsequent heating above 580°C for thermo mechanical rolled products causes reduction of the strength Application limit: at -50°C is warranted a notch impact energy of 27J (longitudinal test specimen).
The carbon equivalent (by arrangement) amounts to:
for nominal size: < 16 mm: 0,43% > 16 < 40 mm: 0,45% Cold forming: Suitability for cold bending, folding, cold flanging or cold welting has to be
Warm forming: thermo mechanical rolled products are unsuitable for warm
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