ASTM/ASME A790 Duplex Steel Specification for:
Welded and Seamless Ferritic/Austenitic Stainless Steel Pipe & Tube.
It covers seamless and straight-seam welded ferritic/austenitic steel pipe intended for general corrosive service, with particular emphasis on resistance to stress corrosion cracking. These steels are susceptible to embrittlement if used for prolonged periods at elevated temperatures.
ASTM A790 Duplex Stainless Steel Welded Pipe Chemical Composition:
|
Chemical Composition % |
|||||||||||
|
UNS Designation |
C |
Mn |
P |
S |
Si |
Ni |
Cr |
Mo |
N |
Cu |
Others |
|
S31200 |
0.03 |
2 |
0.045 |
0.03 |
1 |
5.5–6.5 |
24.0–26.0 |
1.20–2.00 |
0.14–0.20 |
. . . |
. . . |
|
S31260 |
0.03 |
1 |
0.03 |
0.03 |
0.75 |
5.5–7.5 |
24.0–26.0 |
2.5–3.5 |
0.10–0.30 |
0.2-0.80 |
W 0.10-0.50 |
|
S31500 |
0.03 |
1.2-2.0 |
0.03 |
0.03 |
1.4-2.0 |
4.3–5.2 |
18.0–19.0 |
2.50–3.00 |
0.05–0.1 |
. . . |
. . . |
|
S31803 |
0.03 |
2 |
0.03 |
0.02 |
1 |
4.5–6.5 |
21.0–23.0 |
2.5–3.5 |
0.08–0.20 |
. . . |
. . . |
|
S32001 |
0.03 |
4-6.0 |
0.04 |
0.03 |
1 |
1.0–3.0 |
19.5–21.5 |
0.6 |
0.05–0.17 |
1 |
. . . |
|
S32003 |
0.03 |
2 |
0.03 |
0.02 |
1 |
3.0-4.0 |
19.5-22.5 |
1.50-2.00 |
0.14-0.20 |
. . . |
. . . |
|
S32101 |
0.04 |
4.0-6.0 |
0.04 |
0.03 |
1 |
1.35-1.70 |
21.0-22.0 |
0.10-0.80 |
0.20-0.25 |
0.1-0.8 |
. . . |
|
S32202 |
0.03 |
2 |
0.04 |
0.01 |
1 |
1.00–2.80 |
21.5–24.0 |
0.45 |
0.18–0.26 |
. . . |
. . . |
|
S32205 |
0.03 |
2 |
0.03 |
0.02 |
1 |
4.5–6.5 |
22.0–23.0 |
3.0–3.5 |
0.14–0.20 |
. . . |
. . . |
|
S32304 |
0.03 |
2.5 |
0.04 |
0.04 |
1 |
3.0–5.5 |
21.5–24.5 |
0.05–0.60 |
0.05–0.20 |
0.05-0.60 |
. . . |
|
S32506 |
0.03 |
1 |
0.04 |
0.015 |
0.9 |
5.5–7.2 |
24.0–26.0 |
3.0–3.5 |
0.08–0.20 |
. . . |
W 0.05-0.30 |
|
S32520 |
0.03 |
1.5 |
0.035 |
0.02 |
0.8 |
5.5–8.0 |
23.0–25.0 |
3.–5. |
0.20–0.35 |
0.5-3.0 |
. . . |
|
S32550 |
0.04 |
1.5 |
0.04 |
0.03 |
1 |
4.5–6.5 |
24.0–27.0 |
2.9–3.9 |
0.10–0.25 |
1.5-2.50 |
. . . |
|
S32707 |
0.03 |
1.5 |
0.035 |
0.01 |
0.5 |
5.5–9.5 |
26.0–29.0 |
4.0–5.0 |
0.30–0.50 |
1.0 max |
Co 0.5-2.0 |
|
S32750 |
0.03 |
1.2 |
0.035 |
0.02 |
0.8 |
6.0–8.0 |
24.0–26.0 |
3.0–5.0 |
0.24–0.32 |
0.5 |
. . . |
|
S32760 |
0.03 |
1 |
0.03 |
0.01 |
1 |
6.0–8.0 |
24.0–26.0 |
3.0–4.0 |
0.20–0.30 |
0.5-1.0 |
W 0.50-1.0 |
|
S32808 |
0.03 |
1.1 |
0.03 |
0.01 |
0.5 |
7.0–8.2 |
27.0–27.9 |
0.80–1.20 |
0.30–0.40 |
. . . |
W 2.10-2.5 |
|
S32900 |
0.08 |
1 |
0.04 |
0.03 |
0.75 |
2.5–5.0 |
23.0–28.0 |
1.00–2.00 |
. . . |
. . . |
. . . |
|
S32906 |
0.03 |
0.8-1.50 |
0.03 |
0.03 |
0.8 |
5.8–7.5 |
28.0 –30.0 |
1.50–2.60 |
0.30–0.40 |
0.8 |
. . . |
|
S32950 |
0.03 |
2 |
0.035 |
0.01 |
0.6 |
3.5–5.2 |
26.0–29.0 |
1.00–2.50 |
0.15–0.35 |
. . . |
. . . |
|
S33207 |
0.03 |
1.5 |
0.035 |
0.01 |
0.8 |
6.0–9.0 |
29.0–33.0 |
3.0–5.0 |
0.40–0.60 |
1 |
. . . |
|
S39274 |
0.03 |
1 |
0.03 |
0.02 |
0.8 |
6.0–8.0 |
24.0–26.0 |
2.5–3.5 |
0.24–0.32 |
0.2-0.80 |
W 1.50-2.5 |
|
S39277 |
0.025 |
0.8 |
0.025 |
0.002 |
0.8 |
6.5–8.0 |
24.0–26.0 |
3.00–4.00 |
0.23–0.33 |
1.2-2.0 |
W 0.80-1.21 |
|
S82011 |
0.03 |
2-3.0 |
0.04 |
0.02 |
1 |
1.00–2.00 |
20.5–23.5 |
0.10–1.00 |
0.15–0.27 |
0.5 |
. . . |
|
S82441 |
0.03 |
2.5 |
0.035 |
0.005 |
0.7 |
3.0–4.5 |
23.0–25.0 |
1.00–2.00 |
0.20–0.30 |
0.1-0.8 |
|
ASTM A790 Duplex Stainless Steel Welded Pipe Description:
|
Out Diameter(OD): |
NPS 1/8"-80", DN6-DN2000, 6mm-2032mm. |
|
Wall Thickness(W.T.): |
0.8mm-50mm, Sch5S, SCH10S, SCH20, SCH40, Sch80, Sch XXS. |
|
Length(L): |
Fixed 6 meters, or other Length as Specified. |
|
End: |
Plain End, Bevel End. |
|
Delivery Condition: |
Annealed and Pickled, Bright Annealed, Polished(400#,600#), Hairline. |
|
Inspection: |
100% PMI, Hydrostatic Test, Eddy Current, Ultrasonic, X-Ray, Penetrant Test. |
|
Mechanical Test: |
Tension Test, Flattening Test, Flaring Test, Hardness Test, Impact Test. |
|
Tolerance: |
According to the Production Standard. |
|
Packing: |
By Bundles, Plywood Cases. |
|
Marking: |
YASE PIPELINE, Material Grade, Standard, Specification, Heat No., Lot No. |
|
Mill Test Certificate: |
According to EN 10204 3.2 |
|
Production Time: |
2-30 Days, or up to the quantity. |
|
Shipping: |
By Sea, By Air, By Express. |
|
MOQ: |
1000KGS. |
|
Sample: |
Free samples but freight charge paid by customer. |
|
Customized: |
Available. |
YASE PIPELINE Manufacturing ASTM A790 Duplex Steel Pipe Products:
Welded Duplex Stainless Steel Pipe
Duplex Stainless Steel Pipeline
Stainless Steel Welded Pipe
ASME B36.19 Duplex Stainless Steel Welded Pipe
Large Diameter Duplex Stainless Steel Welded Pipe
Heavy Wall thickness Duplex Stainless Steel Welded Pipe
ASTM A790/A790 Duplex Stainless Steel Mechanical Property:
|
Grade |
Tensile strength, min., ksi [MPa] |
Yield strength, min., ksi [MPa] |
Elongation in 2 in., or 50mm, min, % |
Hardness, Max Brinell |
|
S31803 |
90 [620] |
65 [450] |
25 |
290 |
|
S32205 |
95 [655] |
70 [485] |
25 |
290 |
|
S31500 |
92 [630] |
64 [440] |
30 |
290 |
|
S32550 |
110 [760] |
80 [550] |
15 |
297 |
|
S31200 |
100 [690] |
65 [450] |
25 |
280 |
|
S31260 |
100 [690] |
65 [450] |
25 |
290 |
|
S32001 |
90 [620] |
65 [450] |
25 |
290 |
|
S32304 |
100 [690] |
65 [450] |
25 |
290 |
|
S32750 |
116 [800] |
80 [550] |
15 |
310 |
|
S32760 |
109 [750] |
80 [550] |
25 |
300 |
|
S32950 |
100 [690] |
70 [480] |
20 |
290 |
|
S32520 |
112 [770] |
80 [550] |
25 |
310 |
ASTM A790 Duplex Stainless Steel Welded Pipe Dimension Chart :
|
Nominal
Pipe Size
|
Outside Diameter (mm) |
Nominal Wall Thickness Schedule (mm) |
|||||||||
|
NPS |
DN |
OD |
SCH
5s
|
SCH
l0s
|
SCH
40s
|
STD |
SCH 40 |
SCH
80s
|
SCH XS |
SCH 80 |
SCH XS |
|
1/8 |
6 |
10.3 |
- |
1.24 |
1.73 |
1.73 |
1.73 |
2.41 |
2.41 |
2.41 |
2.41 |
|
1/4 |
8 |
13.7 |
- |
1.65 |
2.24 |
2.24 |
2.24 |
3.02 |
3.02 |
3.02 |
3.02 |
|
3/8 |
10 |
17.1 |
- |
1.65 |
2.31 |
2,31 |
2.31 |
3.2 |
3.2 |
3.2 |
3.2 |
|
1/2 |
15 |
21.3 |
1.65 |
2.11 |
2.77 |
2.77 |
2.77 |
3.73 |
3.73 |
3.73 |
3.73 |
|
3/4 |
20 |
26.7 |
1.65 |
2.11 |
2.87 |
2.87 |
2.87 |
3.91 |
3.91 |
3.91 |
3.91 |
|
1 |
25 |
33.4 |
1.65 |
2.77 |
3.38 |
3.38 |
3.38 |
4.55 |
4.55 |
4.55 |
4.55 |
|
1 1/4 |
32 |
42.2 |
1.65 |
2.77 |
3.56 |
3.56 |
3,56 |
4.85 |
4.85 |
4.85 |
4.85 |
|
1 1/2 |
40 |
48.3 |
1.65 |
2.77 |
3.68 |
3.68 |
3.68 |
5.08 |
5.08 |
5.08 |
5.08 |
|
2 |
50 |
60.3 |
1.65 |
2.77 |
3.91 |
3.91 |
3.91 |
5.54 |
5.54 |
5.54 |
5.54 |
|
2 1/2 |
65 |
73 |
2.11 |
3.05 |
5.16 |
5.16 |
5.16 |
7.01 |
7.01 |
7.01 |
7.01 |
|
3 |
80 |
88.9 |
2.11 |
3.05 |
5.49 |
5.49 |
5.49 |
7.62 |
7.62 |
7.62 |
7.62 |
|
3 1/2 |
90 |
101.6 |
2.11 |
3.05 |
5.74 |
5.74 |
5.74 |
8.08 |
8.08 |
8.08 |
8.08 |
|
4 |
100 |
114.3 |
2.11 |
3.05 |
6.02 |
6.02 |
6.02 |
8.56 |
8.56 |
8.56 |
8.56 |
|
5 |
125 |
141.3 |
2.77 |
3.4 |
6.55 |
6.55 |
6.55 |
9.53 |
9,53 |
9.53 |
9,53 |
|
6 |
150 |
168.3 |
2.77 |
3.4 |
7.11 |
7.11 |
7.11 |
10.97 |
10.97 |
10.97 |
10.97 |
|
8 |
200 |
219.1 |
2.77 |
3.76 |
8.18 |
8.18 |
8.18 |
12.7 |
12.7 |
12.7 |
12.7 |
|
10 |
250 |
273.1 |
3.4 |
4.19 |
9.27 |
9.27 |
9.27 |
12.7 |
12.7 |
15.09 |
12.7 |
|
12 |
300 |
323.9 |
3.96 |
4.57 |
9.53 |
9.53 |
10.31 |
12.7 |
12.7 |
17.48 |
12.7 |
|
14 |
350 |
355.6 |
3.96 |
4.78 |
- |
9.53 |
11.13 |
- |
12.7 |
19.05 |
12.7 |
|
16 |
400 |
406.4 |
4.19 |
4.78 |
- |
9.53 |
12.7 |
- |
12.7 |
21.44 |
12.7 |
|
18 |
450 |
457.2 |
4.19 |
4.78 |
- |
9.53 |
14.27 |
- |
12.7 |
23.83 |
12.7 |
|
20 |
500 |
508 |
4.78 |
5.54 |
- |
9.53 |
15.09 |
- |
12.7 |
26.19 |
12.7 |
ASTM A790 Duplex Stainless Steel Pipe Dimensions Tolerance Chart:
|
Dimensions
Standard
|
Out Diameter（mm） |
Wall Thickness（%） |
Cutting Length（mm） |
|
|
Size(mm) |
Tolerance |
Tolerance |
Tolerance |
|
|
ASTM A790 |
D≤12.7 |
+0.13/-0.13 |
+15/-15 |
+3.0/0 |
|
12.7~38.1 |
+10/-10 |
|||
|
38.1~88.9 |
+0.25/-0.25 |
+5.0/0 |
||
|
88.9~139.7 |
+0.38/-0.38 |
|||
|
139.7~203.2 |
+0.76/-0.76 |
|||
|
ASTM A790 |
10.29~48.26 |
+0.40/-0.80 |
+15/-15 |
+3.0/0 |
|
48.26~114.3 |
+0.80/-0.80 |
+10/-10 |
+5.0/0 |
|
|
114.3~219.08 |
+1.60/-0.80 |
|||
|
219.08~457.20 |
+2.40/-0.80 |
|||
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