Tubo de acero inoxidable
Los fabricantes de tubos de acero inoxidable de China, nuestro tubo de escape de acero inoxidable, tubo de acero soldado, tubo redondo de acero inoxidable, tubo de acero inoxidable pulido, tubo en espiral de acero inoxidable, tubo de acero inoxidable dúplex son de buena calidad y precio competitivo.
Tubo de acero soldado
Fabricante de tubos de acero soldados de China, elija el tubo de acero soldado en espiral de alta calidad, el tubo de acero soldado de alta frecuencia, el tubo soldado de acero al carbono negro, etc.
Nombre del producto: Caldera austenítica soldada e intercambiador de calor Tubos de acero inoxidable
S ize rango: OD: WT 3-500mm: 0.5-50mm L: 2000-12000mm acuerdo a la aplicación y la producción real de los clientes.
Aplicación: para caldera e intercambiador de calor
Grado de acero: 12Cr18Ni9,06Cr19Ni10,022Cr19Ni10,06Cr25Ni20,022Cr22Ni5Mo3N, 019Cr19Mo2NbTi, 06Cr13Al
Característica:
Buena concentricidad
Buena calidad superficial
Buena tolerancia OD e ID
Alta precisión
Calidad estable
Rugosidad suave
GARANTÍA DE CALIDAD DE TORICH
Tabla 1 Tolerancia de 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
|
Tabla 2 Tolerancia de 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
|
Tabla 3 Grado de flexión
|
Nominal Wall Thickness/mm
|
Bending Degree/(mm/m)
|
|
≤108
|
≤1.0
|
|
＞108~325
|
≤1.5
|
|
＞325
|
≤2.5
|
Tabla 3 composición química
|
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
|
-
|
Tabla 4 Propiedad mecanica
|
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
|
Tabla 5 Artículos de inspección y cantidad de muestreo
|
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
|
Los fabricantes de tubos de acero inoxidable de China, nuestro tubo de escape de acero inoxidable, tubo de acero soldado, tubo redondo de acero inoxidable, tubo de acero inoxidable pulido, tubo en espiral de acero inoxidable, tubo de acero inoxidable dúplex son de buena calidad y precio competitivo.
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