Rostfreies Stahlrohr
Die Hersteller von Edelstahlrohren in China, unsere Edelstahl-Auspuffrohre, geschweißten Stahlrohre, runden Edelstahlrohre, polnischen Edelstahlrohre, Edelstahl-Spiralrohre und Duplex-Edelstahlrohre sind von guter Qualität und preisgünstig.
Geschweißtes Stahlrohr
Hersteller von geschweißten Stahlrohren in China, wählen Sie die hochwertigen spiralgeschweißten Stahlrohre, hochfrequenten geschweißten Stahlrohre, geschweißten geschweißten Stahlrohre usw.
Produktname: Geschweißter austenitischer Kessel und Wärmetauscher Edelstahlrohre
S ize Bereich: OD: 3-500mm WT: 0.5-50mm L: 2000-12000mm entsprechend der tatsächlichen Anwendung der Kunden und die Produktion.
Anwendung: Für Kessel und Wärmetauscher
Stahlsorte: 12Cr18Ni9,06Cr19Ni10,022Cr19Ni10,06Cr25Ni20,022Cr22Ni5Mo3N, 019Cr19Mo2NbTi, 06Cr13Al
Charakteristisch:
Gute Konzentrizität
Gute Oberflächenqualität
Gute OD- und ID-Toleranz
Hohe Präzision
Stabile Qualität
Glatte Rauheit
TORICH QUALITY ASSURANCE
Tabelle 1 Toleranz von OD
|
Classification
|
Nominal OD
|
Permissible Tolerance
|
|
PC
|
PB
|
PA
|
|
H
T
|
＜25
|
±0.20
|
±0.15
|
±0.10
|
|
≥25~＜40
|
±0.30
|
±0.25
|
±0.20
|
|
≥40~＜63
|
±0.50
|
±0.30
|
±0.25
|
|
≥63~＜90
|
±0.60
|
±0.50
|
±0.40
|
|
≥90~＜159
|
±0.80
|
±0.65
|
±0.50
|
|
≥159~＜300
|
±0.8%D
|
±0.7%D
|
±0.5%D
|
|
≥300~＜610
|
±0.1%D
|
±0.8%D
|
±0.6%D
|
|
≥10
|
protocol
|
protocol
|
protocol
|
|
WC
SP
|
＜25
|
±0.15
|
±0.12
|
±0.10
|
|
≥25~＜40
|
±0.20
|
±0.15
|
±0.13
|
|
≥40~＜50
|
±0.20
|
±0.18
|
±0.15
|
|
≥50~＜60
|
±0.25
|
±0.20
|
±0.18
|
|
≥60~＜90
|
±0.30
|
±0.28
|
±0.25
|
|
≥90~＜100
|
±0.40
|
±0.35
|
±0.30
|
|
≥100~＜200
|
±0.5%D
|
±0.4%D
|
protocol
|
|
≥200
|
protocol
|
protocol
|
protocol
|
Tabelle 2Toleranz von WT
|
Nominal WT
|
Permissible Tolerance
|
|
＜0.5
|
±0..10
|
|
≥0.5~1.0
|
±0.15
|
|
＞1.0~2.0
|
±0.20
|
|
＞2.0~＜4.0
|
±0.30
|
|
≥4.0
|
±10%S
|
Tabelle 3 Biegegrad
|
Nominal Wall Thickness/mm
|
Bending Degree/(mm/m)
|
|
≤108
|
≤1.0
|
|
＞108~325
|
≤1.5
|
|
＞325
|
≤2.5
|
Tabelle 3 chemische Zusammensetzung
|
Steel
grade
|
Chemical
compositon %
|
|
C
|
Si
|
Mn
|
P
|
S
|
Ni
|
Cr
|
Mo
|
N
|
|
12Cr18Ni9
|
0.15
|
1.00
|
2.00
|
0.035
|
0.03
|
8.00~10.00
|
17.00
~19.00
|
-
|
0.10
|
|
06Cr18Ni10
|
0.08
|
1.00
|
2.00
|
0.035
|
0.03
|
8.00~11.00
|
18.00
~20.00
|
-
|
-
|
|
022Cr19Ni10
|
0.030
|
1.00
|
2.00
|
0.035
|
0.03
|
8.00~12.00
|
18.00
~20.00
|
-
|
-
|
|
07Cr19Ni10
|
0.04~0.10
|
1.00
|
2.00
|
0.035
|
0.03
|
8.00~11.00
|
18.00
~20.00
|
-
|
-
|
|
06Cr19Ni10N
|
0.08
|
1.00
|
2.00
|
0.035
|
0.03
|
8.00~11.00
|
18.00
~20.00
|
-
|
0.10
~0.16
|
|
022Cr19Ni10N
|
0.030
|
1.00
|
2.00
|
0.035
|
0.03
|
8.00~11.00
|
18.00
~20.00
|
-
|
0.10
~0.16
|
|
10Cr18Ni12
|
0.12
|
1.00
|
2.00
|
0.035
|
0.03
|
10.50~13.00
|
18.00
~20.00
|
-
|
-
|
|
06Cr23Ni13
|
0.08
|
1.00
|
2.00
|
0.035
|
0.03
|
12.00~15.00
|
17.00
~19.00
|
-
|
-
|
|
03Cr25Ni20
|
0.08
|
1.00
|
2.00
|
0.035
|
0.03
|
19.00~22.00
|
22.00
~24.00
|
-
|
-
|
|
06Cr17Ni12Mo2
|
0.08
|
1.00
|
2.00
|
0.035
|
0.03
|
10.00~14.00
|
24.00
~26.00
|
2.00
~3.00
|
-
|
|
022Cr17Ni12Mo2
|
0.030
|
1.00
|
2.00
|
0.035
|
0.03
|
10.00~14.00
|
16.00
~18.00
|
2.00
~3.00
|
-
|
|
06Cr17Ni12Mo2Ti
|
0.08
|
1.00
|
2.00
|
0.035
|
0.03
|
10.00~14.00
|
16.00
18.00
|
2.00
~3.00
|
-
|
|
06Cr17Ni12MoN
|
0.08
|
1.00
|
2.00
|
0.035
|
0.03
|
10.00~13.00
|
16.00
~18.00
|
2.00
~3.00
|
0.10
~0.16
|
|
022Cr17Ni12Mo2N
|
0.030
|
1.00
|
2.00
|
0.035
|
0.03
|
10.00~13.00
|
16.00
~18.00
|
2.00
~3.00
|
0.10
~0.16
|
|
06Cr19Ni13Mo3
|
0.08
|
1.00
|
2.00
|
0.035
|
0.03
|
11.00~15.00
|
16.00
~18.00
|
3.00
~4.00
|
-
|
Tabelle 4 Mechanische Eigenschaft
|
No.
|
No.in
GB/T20878
|
Unified
digital code
|
STEEL
GRADE
|
Recommended
heat treatment system
|
Tensile
property
|
Hardness
|
|
|
tensile
strength
Rm/(N/MM2)
|
Stipulated
elongation strength of plastic mold
Rp0.2/(N/mm2)
|
Elongation
A/%
|
HRB
|
|
|
≥
|
≤
|
|
|
1
|
13
|
S30210
|
12Cr18Ni9
|
≥1040℃.Rapid cooling
|
515
|
205
|
35
|
90
|
|
|
2
|
17
|
S30408
|
06Cr19Ni10
|
≥1040℃.Rapid cooling
|
515
|
205
|
35
|
90
|
|
|
3
|
18
|
S30409
|
022Cr19Ni10
|
≥1040℃.Rapid cooling
|
485
|
170
|
35
|
90
|
|
|
4
|
19
|
S30458
|
07Cr19Ni10
|
≥1040℃.Rapid cooling
|
515
|
205
|
35
|
90
|
|
|
5
|
23
|
S30458
|
06Cr19Ni10N
|
≥1040℃.Rapid cooling
|
550
|
240
|
35
|
90
|
|
|
6
|
25
|
S30453
|
022Cr19Ni10N
|
≥1040℃.Rapid cooling
|
515
|
205
|
35
|
90
|
|
|
7
|
26
|
S30510
|
10Cr18Ni12
|
≥1040℃.Rapid cooling
|
515
|
205
|
35
|
90
|
|
|
8
|
32
|
S30908
|
06Cr23Ni13
|
≥1040℃.Rapid cooling
|
515
|
205
|
35
|
90
|
|
|
9
|
35
|
S31008
|
06Cr23Ni20
|
≥1040℃.Rapid cooling
|
515
|
205
|
35
|
90
|
|
|
10
|
38
|
S31608
|
06Cr17Ni12Mo2
|
≥1040℃.Rapid cooling
|
515
|
205
|
35
|
90
|
|
|
11
|
39
|
S31603
|
022Cr17Ni12Mo2
|
≥1040℃.Rapid cooling
|
485
|
170
|
35
|
90
|
|
|
12
|
41
|
S31668
|
06Cr17Ni12Mo2Ti
|
≥1040℃.Rapid cooling
|
515
|
205
|
35
|
90
|
|
|
13
|
43
|
S31658
|
06Cr17Ni12Mo2N
|
≥1040℃.Rapid cooling
|
550
|
240
|
35
|
90
|
|
|
14
|
44
|
S31653
|
022Cr17Ni12Mo2N
|
≥1040℃.Rapid cooling
|
515
|
205
|
35
|
90
|
|
|
15
|
49
|
S31708
|
06Cr19Ni13Mo3
|
≥1040℃.Rapid cooling
|
515
|
205
|
35
|
90
|
|
|
16
|
50
|
S31703
|
022Cr19Ni13Mo3
|
≥1040℃.Rapid cooling
|
515
|
205
|
35
|
90
|
|
|
17
|
55
|
S32168
|
06Cr18Ni11Ti
|
≥1040℃.Rapid cooling
|
515
|
205
|
35
|
90
|
|
|
18
|
62
|
S34778
|
06Cr18Ni11Nb
|
≥1040℃.Rapid cooling
|
515
|
205
|
35
|
90
|
|
|
19
|
63
|
S34779
|
07Cr18Ni11Nb
|
≥1040℃.Rapid cooling
|
515
|
205
|
35
|
90
|
Tabelle 5 Prüfgegenstände und Probenahmemenge
|
Inspection
items
|
sampling
quantity
|
|
Chemical
composition
|
Each
furnace
Take
one sample
|
|
Tensile
test
|
One
sample for each batch on two test tubes
|
|
Hardness
test
|
One
sample for each batch on two test tubes
|
|
Flattening
test
|
One
sample for each batch on two test tubes
|
|
Coiling
test
|
One
sample for each batch on two test tubes
|
|
Expansion
test
|
One
sample for each batch on two test tubes
|
|
Reversed
bending test
|
One
sample at every 450M of tubes
|
|
longitudinal
flattenin test
|
One
sample for each batch on two test tubes
|
|
Hydraulic
test
|
Per
piece
|
|
Eddy
current flaw detection
|
Per
piece
|
|
Intergranular
corrosion test
|
One
sample for each batch on two test tubes
|
|
Grain
size test
|
One
sample for each batch on two test tubes
|
|
Ray
detection
|
Per
piece
|
|
Underwater
air tightness test
|
Per
piece
|
Die Hersteller von Edelstahlrohren in China, unsere Edelstahl-Auspuffrohre, geschweißte Stahlrohre, runden Edelstahlrohre, polnischen Edelstahlrohre, Edelstahl-Spiralrohre und Duplex-Edelstahlrohre sind von guter Qualität und preisgünstig.
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