Huachao’s ferritic and martensitic stainless steel heat transferring tubing is produced to applications where better mechanical properties, hardness, chloride induced pitting, crevice and stress corrosion cracking may be considered. And the high quality tube and pipe with such material can be also used for other specific applications as petro/gas industry, bearing machining…Typical Grade:410/S,430, 439,446,444,44660,440C,L80/13Cr,17-4PH,1.4418,S41426…
Applications:
Heater, Heat Exchanger, Condenser, Machining, Bearing Machining,
API service…
Available Specification:
-ASTM/ASME A/SA268
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
-API 5CT L80 9Cr/13Cr/API 5CRA S41426
Coupling Stock Pipe for Anti-Corrosive of CO2
Chemical Content and Mechanical Properties for Ferritic and Martensitic Stainless Steel Tube
|
Standard
|
Steel Grade
|
Chemical Composition(%)
|
|
Mechanical properties
|
Elongation(%)
|
Hardness(HRB)
|
|
C
|
Mn
|
Si
|
P
|
S
|
Cr
|
Ni
|
Y.S.(MPa)
|
T.S.(MPa)
|
|
A/SA268
|
TP405
|
≤0.08
|
≤1.00
|
≤1.00
|
≤0.040
|
≤0.030
|
11.50~14.50
|
≤0.50
|
Al:0.10~0.30
|
≥415
|
≥205
|
≥30
|
≤85
|
|
A/SA268
|
TP410
|
≤0.15
|
≤1.00
|
≤1.00
|
≤0.040
|
≤0.030
|
11.50~13.50
|
|
|
≥415
|
≥205
|
≥30
|
≤85
|
|
A/SA268
|
TP410S
|
≤0.08
|
≤1.00
|
≤1.00
|
≤0.040
|
≤0.030
|
11.50~13.50
|
|
≥415
|
≥205
|
≥30
|
≤85
|
|
A/SA268
|
TP430
|
≤0.12
|
≤1.00
|
≤1.00
|
≤0.040
|
≤0.030
|
16.00~18.00
|
|
≥415
|
≥205
|
≥30
|
≤85
|
|
A/SA268
|
TP430Ti
|
≤0.10
|
≤1.00
|
≤1.00
|
≤0.040
|
≤0.030
|
16.00~19.50
|
≤0.75
|
Ti:5C~0.75
|
|
|
|
|
|
A/SA268
|
TP446
|
≤0.20
|
≤1.50
|
≤1.00
|
≤0.040
|
≤0.030
|
23.00~27.00
|
≤0.75
|
N: ≤0.025
|
≥415
|
≥205
|
≥30
|
≤85
|
|
A/SA268
|
TP409
|
≤0.08
|
≤1.00
|
≤1.00
|
≤0.045
|
≤0.030
|
10.50~11.70
|
≤0.50
|
Ti:6C~0.75
|
≥415
|
≥205
|
≥30
|
≤85
|
|
A/SA268
|
TP439
|
≤0.07
|
≤1.00
|
≤1.00
|
≤0.040
|
≤0.030
|
17.00~19.00
|
≤0.50
|
N: ≤0.04
Ti:0.2+4(C+N)~1.1
|
≥380
|
≥205
|
≥22
|
≤80
|
|
A/SA268
|
TP444
|
≤0.025
|
≤1.00
|
≤1.00
|
≤0.040
|
≤0.030
|
17.50~19.50
|
≤1.00
|
Mo:1.75~2.5
(Ti+Cb):0.2+4(C+N)~0.8
N: ≤0.035
|
≥415
|
≥220
|
≥22
|
≤81
|
|
A/SA756/268
|
440C
|
0.95~1.10
|
≤1.00
|
≤1.00
|
≤0.025
|
≤0.025
|
16.00~18.00
|
3.00~5.00
|
Mo:0.4~0.7
|
|
|
|
|
|
A/SA693
|
17-4PH
|
≤0.07
|
≤1.00
|
≤1.00
|
≤0.040
|
≤0.030
|
15.50~17.50
|
|
Cu:3.0~5.0
Nb:0.15~0.45
|
|
|
|
|
|
GOST9941-81
|
15Cr25Ti
|
≤0.15
|
≤0.80
|
≤1.00
|
≤0.035
|
≤0.025
|
24.00~27.00
|
|
Ti:5C~0.90
|
≥415
|
≥205
|
≥30
|
≤85
|
|
API 5CT
|
L80/9Cr
|
≤0.15
|
0.30~0.60
|
≤1.00
|
≤0.020
|
≤0.010
|
8.00~10.00
|
Mo:0.90~1.10
|
|
≥655
|
≥552
|
≥20
|
≤23HRC
|
|
APT 5CT
|
L80/13Cr
|
0.15~0.22
|
0.25~1.00
|
≤1.00
|
≤0.020
|
≤0.010
|
12.0~14.0
|
|
|
≥655
|
≥552
|
≥20
|
≤23HRC
|
Other Cr alloy tubes available upon request.
Size Tolerance
|
Size Tol.
(ASTM A 1016)
|
Dimension(D)
|
Wall thickness(S)
|
|
(mm)
|
Tolerance(mm)
|
(mm)
|
Tolerance(mm)
|
|
Cold Drawn/Rolled Tube
|
<25.4
|
+/- 0.1
|
≤38.1
|
+20%~0
|
|
25.4~38.1
|
+/-0.15
|
|
>38.1~<50.8
|
+/-0.2
|
>38.1
|
+22%~0
|
|
50.8~63.5
|
+/-0.25
|
|
63.5~76.2
|
+/-0.3
|
Size Tol.or pipes per ASTM A530
Available Sizes
|
Products
|
OD
|
WT
|
Length
|
|
Inch
|
MM
|
Inch
|
MM
|
Ft max.
|
Mt max.
|
|
Tube
|
1/8’’-3’’
|
6.0-76.2
|
0.02’’-0.5’’
|
0.5-12.0
|
105’
|
32.00
|
|
Pipe
|
NPS1/2’’-10’’
|
21.34-273.05
|
Sch5-Sch160
|
1.65-28.58
|
40’
|
12.00
|
Super Length Tube/Pipe is our advantages.
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