S355K2G1W with high-quality steel toughness, plastic extension, molding, welding and cutting, abrasion, high temperature, fatigue and other characteristics.S355K2G1W mainly used for railways, vehicles, bridges, towers and other long-term exposure to the atmosphere in the use of steel structures. Used in the manufacture of containers, railway vehicles, oil derrick, the harbor construction, oil platforms and chemical equipment containing oil corrosion of hydrogen sulfide containers and other structural parts.
Grade
|
C Max
|
Si Max
|
Mn
|
P Max
|
S Max
|
EN 10155 S355K2G1W
|
0.16
|
0.5
|
0.5-0.15
|
0.035
|
0.035
|
S355K2G1W Mechanical Property:
Thickness
|
Yield Strength ReH [N/mm2]
|
Tensile Strength
|
Fracture Elongation [%]transv. min.
|
Notch Impact Energy1)Ch Vcomplete samplelongitud. min [J]
| |
transv.min
|
Rm[N/mm2]transv
|
-
| |||
8<t≤16mm
|
355
|
490 - 630
|
20
|
--20℃
|
20℃
|
16<t≤100m
|
345
|
490 - 630
|
20
|
40V
|
28V
|
100<t≤120m
|
315
|
460 - 630
|
18
| ||
125<t ≤150mm
|
295
|
450 - 630
|
18
|
-
|
-
|
S355K2G1W principle:
S355K2G1W by adding phosphorus, copper, chromium, nickel and other trace elements, the S355K2G1W surface formation of dense and highly protective film, hinder corrosion inward diffusion and development to protect the rust layer below the substrate to slow down its corrosion rate. The amorphous spinel-type oxide layer formed between the rust layer and the substrate is dense and has good adhesion to the base metal, and the existence of the dense oxide film prevents the formation of oxygen and / Water infiltration into the steel matrix, slow down the development of corrosion depth to the steel material, greatly improving the atmospheric corrosion resistance of steel materials. S355K2G1W weathering steel can be thinned use, bare use or simplify the coating, leaving the product corrosion life extension, labor saving, upgrading of the steel system, but also a new mechanism can be integrated into modern metallurgy, new technology, new technology make its continued development and innovation of the steel system.
S355K2G1W by adding phosphorus, copper, chromium, nickel and other trace elements, the S355K2G1W surface formation of dense and highly protective film, hinder corrosion inward diffusion and development to protect the rust layer below the substrate to slow down its corrosion rate. The amorphous spinel-type oxide layer formed between the rust layer and the substrate is dense and has good adhesion to the base metal, and the existence of the dense oxide film prevents the formation of oxygen and / Water infiltration into the steel matrix, slow down the development of corrosion depth to the steel material, greatly improving the atmospheric corrosion resistance of steel materials. S355K2G1W weathering steel can be thinned use, bare use or simplify the coating, leaving the product corrosion life extension, labor saving, upgrading of the steel system, but also a new mechanism can be integrated into modern metallurgy, new technology, new technology make its continued development and innovation of the steel system.
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