P235gh steel grade is one of grade in En10028-2, which is non alloy and alloy steels with specified elevated temperature properties. P235gh Carbon Steel is a European specified steel for use in pressure vessels, boilers and heat exchangers.
Chemical Composition of EN 10028 P235GH
Element |
% by mass
|
Element
|
% by mass
|
Carbon (C)
|
≤0.16
|
Silicon (Si)
|
≤0.35
|
Manganese (Mn)
|
0.60 to 1.20
|
Phosphorous (P) (max)
|
0.025
|
Sulphur (S) (max)
|
0.015
|
Aluminium (Al)
|
≤0.020
|
Nitrogen (N)
|
≤0.012
|
Chromium (Cr)
|
≤0.30
|
Copper (Cu)
|
≤0.30
|
Molybdenum (Mo)
|
≤0.08
|
Niobium (Nb)
|
≤0.020
|
Nickel (Ni)
|
≤0.30
|
Titanium (Ti) (max)
|
0.03
|
Vanadium (V)
|
≤0.02
|
Grade |
Type
|
Thickness
(mm) |
Yield Strength
MPa (min) |
Tensile Strength
MPa |
Elongation
% (min) |
Impact Energy
(KV J) (min) | ||
-20°
|
0°
|
+20°
| ||||||
P235GH
|
Normalized
|
≤16
|
235
|
360 to 480
|
24
|
27
|
34
|
40
|
16> to ≤40
|
225
|
360 to 480
|
24
|
27
|
34
|
40
| ||
40> to ≤60
|
215
|
360 to 480
|
24
|
27
|
34
|
40
| ||
60> to ≤100
|
200
|
360 to 480
|
24
|
27
|
34
|
40
| ||
100> to ≤150
|
185
|
350 to 480
|
24
|
27
|
34
|
40
| ||
150> to ≤250
|
170
|
350 to 480
|
24
|
27
|
34
|
40
|
EN 10028 P235gh Additional Condition
UT(Ultrasonic examination),AR(As Hot Rolled only),TMCP(Thermal Mechanical Control Processing), N(Normalized), Q+T(Quenched and Tempered),Z Direction Test(Z15,Z25,Z35),Charpy V-Notch Impact Test, The Third Party Test(such as SGS Test),Coated or Shot Blasting and Painting.
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