Hot rolled steel S420M is a kind of weldable fine grain structural steel. It is delivered for thermomechanical rolled condition. The Material number is 1.8825. S420M steel products are available in thickness ≤ 120mm for flat products and in thickness ≤ 150mm for long products.
S420M steel plates China Supplier
S420M Fine Grain Structural Steel ApplicationIn addition to EN 10025-1 the 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, etc., for service at ambient and low temperatures.
Subsequent heating above 580°C for thermo mechanical rolled products causes reduction of the strength properties. 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 agreed.
For sheet, strip and wide flat steel in thermo mechanical rolled condition, for nominal thickness (s) up to 12 mm can be warranted the following bending radius values: longitudinal: 5 x s transverse: 4 x s Sheet and strip of nominal thicknesses < 8 mm for cold forming of sections is available on arrangement (e.g. for production of hollow sections).
Warm forming: thermo mechanical rolled products are unsuitable for warm forming.
What’s S420M Fine Grain Structural Steel?
What Does S420M 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)
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