ASTM A242 Type I weathering steel, blended in the modern metallurgy and new mechanisms, new technology and new technology to sustainable development and innovation, one of the world super steel cutting edge of technology level the series of steel. it can reduce use of nudity or simplified or paint, ASTM A242 Type I weathering steel make component of workblanks corrosion, reducing consumption, saving energy, benefit component makers and users so much.
JIS G3125 ASTM A242 Type I steel widely used in air preheater, economizer, railway carriage, containers production, bridge building , construction and so on.
A242 Type I Weathering steel chemical composition
Grades
|
C max
|
Mn
|
P max
|
S max
|
Si
|
Ni max
|
Cr
|
Cu
|
V
|
Mo
|
Nb
|
A242 Type I
|
0.19
|
0.80-1.25
|
0.04
|
0.05
|
0.30-0.65
|
0.40
|
0.40-0.65
|
0.25-0.55
|
0.02-0.10
|
A242 Type I Weathering resistant steel tensile property request
ASTM A242 Type I
|
Plates and bars
|
Structural shapes
| ||
＜100mm
|
≥100-125mm
|
＞125-200
| ||
Tensile strength min MPa
|
485
|
460
|
435
|
485
|
Yield strength min MPa
|
345
|
315
|
290
|
345
|
Elongation min
|
21
|
21
|
21
|
21
|
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