P355GH is a fine grained steel for pressure vessels and heat exchangers. It is according to EN10028-3.EN10028 P355GH steel plates is characterised by a minimum yield strength of 280-355 MPa and by good weldability,so P355GH steel is mainly used to for manufacturing boilers, pressure vessels and pipes transporting hot liquids.
P355GH Steel Plate Specification:
Thickness: 6mm to 300mm;Width: 1500mm to 4050mm;Length: 3000mm to 15000mm
P355GH Steel Chemical analysis -% by mass*:
Grades
|
C
max
|
Si max
|
Mn.
max
|
P
max
|
S
max
|
N
max
|
AL
min
|
Cr max
|
Cu max
|
Mo max
|
Ni max
|
Nb max
|
Ti max
|
V
max
|
|
P355GH
|
0.10-0.22
|
0.6
|
1.10-1.70
|
0.03
|
0.015
|
0.012
|
0.02
|
0.3
|
0.03
|
0.08
|
0.3
|
0.02
|
0.03
|
0.02
|
P355GH Steel Mechanical Properties:
Grade
|
Thickness
(mm)
|
Yield Strength
MPa(min)
|
Tensile Strength
MPa
|
Elongation
% (min)
|
Impact Energy
(KV J) (min)
|
|
-20℃
|
0℃
|
20℃
|
|
P355GH
|
≤ 16
|
355
|
510 to 650
|
20
|
27
|
34
|
40
|
|
16＜t ≤40
|
345
|
510 to 650
|
20
|
27
|
34
|
40
|
|
40＜t ≤60
|
335
|
460 to 580
|
20
|
27
|
34
|
40
|
|
6＜t ≤100
|
315
|
490 to 630
|
20
|
27
|
34
|
40
|
|
100＜t ≤150
|
295
|
480 to 630
|
20
|
27
|
34
|
40
|
|
150＜t ≤250
|
280
|
470 to 630
|
20
|
27
|
34
|
40
|
P355GH Steel Application:
P355GH steel is mainly used for making the carburized parts which don’t have high demand on surface and section size < 50 mm in diameter, such as carburized small gear, small axis, low requirements piston pins, cross pin head, diesel engine sleeve, valve plunger mandril, gearbox joystick, steel bushing, etc of automobiles, tractors and in machine tools production. In addition, in the hot rolling and normalizing state P355GH steel can also be used for manufacturing rivet welding parts, screw and nut etc.
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