Rura ze stali nierdzewnej
Chiny Producenci rur ze stali nierdzewnej, nasze rury wydechowe ze stali nierdzewnej, spawana rura stalowa, okrągła rura ze stali nierdzewnej, polska rura ze stali nierdzewnej, rura ze stali nierdzewnej zwijana, rura ze stali nierdzewnej dupleks są dobrej jakości i konkurencyjna cenowo.
Spawana rura stalowa
Chiny Producent spawanych rur stalowych, wybierz wysokiej jakości spawaną spiralnie rurę stalową, spawaną stalową rurę o wysokiej częstotliwości, spawaną czarną stal węglową itp.
Nazwa produktu: Spawany austenityczny kocioł i wymiennik ciepła Rury ze stali nierdzewnej
S ize zakres: od: 3-500mm WT: 0.5-50mm L: 2000-12000mm według konkretnego zastosowania i wytwarzania klientów.
Zastosowanie: Do kotła i wymiennika ciepła
Gatunek stali: 12Cr18Ni9,06Cr19Ni10,022Cr19Ni10,06Cr25Ni20,022Cr22Ni5Mo3N, 019Cr19Mo2NbTi, 06Cr13Al
Charakterystyka:
Dobra koncentryczność
Dobra jakość powierzchni
Dobra tolerancja OD i ID
Wysoka precyzja
Stabilna jakość
Gładka szorstkość
ZAPEWNIENIE JAKOŚCI TORICH
Tabela 1 Tolerancja 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
|
Tabela 2 Tolerancja 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
|
Tabela 3 Stopień zgięcia
|
Nominal Wall Thickness/mm
|
Bending Degree/(mm/m)
|
|
≤108
|
≤1.0
|
|
＞108~325
|
≤1.5
|
|
＞325
|
≤2.5
|
Tabela 3 skład chemiczny
|
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
|
-
|
Tabela 4 Właściwości mechaniczne
|
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
|
Tabela 5 Elementy kontroli i ilość pobranych próbek
|
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
|
Chiny Producenci rur ze stali nierdzewnej, nasze rury wydechowe ze stali nierdzewnej, spawana rura stalowa, okrągła rura ze stali nierdzewnej, polska rura ze stali nierdzewnej, rura ze stali nierdzewnej zwijana, rura ze stali nierdzewnej dupleks są dobrej jakości i konkurencyjna cenowo.
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