StE255 steel plate
StE255 steel plate
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- Commodity name: StE255 steel plate
Steel StE255 is used for special requirements according to DIN 17178 : 1986-5 for welded steel tubes and according to DIN 17179 : 1986-5 for seamless steel tubes. These steel tubes are used above all in pressure vessel construction, apparatus construction, pipe construction, as well as in general machine and equipment construction.
Chemical Composition
Grade
C
≤Si
Mn
P
≤S
≤N
≤Al
≥Cr
≤Cu
≤Mo
≤Ni
≤Nb
≤Ti
≤V
≤Nb+Ti+V
≤StE255
0.18
≤0.40
0.50
0.035
0.030
0.020
0.020
0.30
0.20
0.08
0.30
0.03
---
---
0.05
Mechanical Property
Grades
Tensile Strength Rm for
product thicknesses s,in mm
N/mm²UpperYield StressReH²) for product thicknesses s,in mm
N/mm² min.Elongation after fracture3)
(Lo=5do) % min.Mandrel diameter for bend test 4), 5)
s≤70
70＜s≤85
85＜s≤100
100＜s≤125
125＜s≤150
s≤16
16＜s≤35
35＜s≤50
50＜s≤60
60＜s≤70
70＜s≤85
85＜s≤100
100＜s≤125
125＜s≤150
Longitudinal
Transverse 6)
StE255
360~480
350~470
340~460
330~450
320~440
255
245
235
225
215
205
195
25
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To: Tianjin Bohai Metal Company
Tianjin Bohai Metal
Tel : +86 0635 6666186
Fax :+86 0635 6666186
E-mail : bhteddy@cnbhgt.com
E-mail : bhtina@cnbhgt.com
E-mail : bholia@cnbhgt.com
Add : Dongchangfu District, Liaocheng City, Shandong Province