Oil and Gas pipeline
Heat exchangers
Boiler
Chemical process industries, heat exchangers, vessels, and piping
Desalination plants, high-pressure RO-plant and seawater pipingDesalination plants, high-pressure RO-plant and seawater piping
Offshore platforms
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Alloy 2507 is a super duplex stainless steel with 25% chromium, 4% molybdenum, and 7% nickel designed for demanding applications that require exceptional strength and corrosion resistance, such as chemical processes, petrochemical, and seawater equipment. The steel has excellent resistance to chloride stress corrosion cracking, high thermal conductivity and a low coefficient of thermal expansion. The high chromium, molybdenum, and nitrogen levels provide excellent resistance to pitting, crevice, and general corrosion.
The impact strength is also high. Alloy 2507 is not recommended for applications that require long exposures to temperatures above 300℃ because of the risk of a reduction in toughness.
|
Standard |
Grade |
CHEMICAL COMPOSITION(%) |
|||||||||
|
C(max) |
Mn(max) |
P(max) |
S(max) |
Si(max) |
Ni |
Cr |
Mo |
N |
Cu(max) |
||
|
ASTM A789/790 |
S32750/2507 |
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 |
Straight duplex steel seamless pipe with annealed and pickled duplex steel.
Coiled duplex steel seamless tube with bright annealed and pickled.
Duplex steel seamless tube with annealed and pickled.
ASTM A790 2507, ASTM A790 S32750
ASTM A790 2507/S32750
|
PIPE DIMENSION AND TOLERANCE ACCORDING TO ASTM A790/ANSI B36.10&B36.19 |
||||||
|
INCH |
DN |
O.D.(mm) |
Wall Thickness (mm) |
|||
|
Sch5s/5 |
Sch10s |
Sch40s |
Sch80s |
|||
|
/STD |
/XS |
|||||
|
1/8 |
6 |
10.3 |
0.89 |
1.24 |
1.73 |
2.41 |
|
1/4 |
8 |
13.7 |
1.25 |
1.65 |
2.24 |
3.02 |
|
3/8 |
10 |
17.1 |
1.25 |
1.65 |
2.31 |
3.2 |
|
1/2 |
15 |
21.3 |
1.65 |
2.11 |
2.77 |
3.73 |
|
3/4 |
20 |
26.7 |
1.65 |
2.11 |
2.87 |
3.91 |
|
1 |
25 |
33.4 |
1.65 |
2.77 |
3.38 |
4.55 |
|
11/4 |
32 |
42.2 |
1.65 |
2.77 |
3.56 |
4.85 |
|
11/2 |
40 |
48.3 |
1.65 |
2.77 |
3.68 |
5.08 |
|
2 |
50 |
60.3 |
1.65 |
2.77 |
3.91 |
5.54 |
|
21/2 |
65 |
73 |
2.11 |
3.05 |
5.16 |
7.01 |
|
3 |
80 |
88.9 |
2.11 |
3.05 |
5.49 |
7.62 |
|
31/2 |
90 |
101.6 |
2.11 |
3.05 |
5.74 |
8.08 |
|
4 |
100 |
114.3 |
2.11 |
3.05 |
6.02 |
8.56 |
|
5 |
125 |
141.3 |
2.77 |
3.4 |
6.55 |
9.53 |
|
6 |
150 |
168.3 |
2.77 |
3.4 |
7.11 |
10.97 |
|
8 |
200 |
219.1 |
2.77 |
3.76 |
8.18 |
12.7 |
|
10 |
250 |
273.1 |
3.4 |
4.19 |
9.27 |
12.7 |
|
12 |
300 |
323.9 |
3.96 |
4.57 |
9.53 |
12.7 |
|
14 |
350 |
355.6 |
3.96 |
4.78 |
9.53 |
12.7 |
|
16 |
400 |
406.4 |
4.19 |
4.78 |
9.53 |
12.7 |
|
20 |
500 |
508 |
4.78 |
5.54 |
9.53 |
12.7 |
|
24 |
600 |
609.6 |
5.54 |
6.35 |
9.53 |
12.7 |
|
30 |
750 |
762 |
6.35 |
7.92 |
|
|
|
ASTM A790 Dimension Tolerance for duplex steel seamless pipe |
||
|
Standards |
ASTM A790 duplex steel seamless pipe |
|
|
Outside Diameter(mm) |
Tolerance(mm) |
|
|
Outside Diameter |
10.3-48.3 |
-0.80，+0.40 |
|
＞48.3-114.3 |
-0.80，+0.80 |
|
|
＞114.3-219.1 |
-0.80，+1.60 |
|
|
＞219.1-457.2 |
-0.80，+2.40 |
|
|
＞457-660.4 |
-0.80，+3.20 |
|
|
＞660.4-864 |
-0.80，+4.00 |
|
|
＞864-1219 |
-0.80，+4.80 |
|
|
Thickness |
10.3-73 |
-12.5%,+20% |
|
88.9-457.2, S/D≤5% |
-12.5%,+22.5% |
|
|
88.9-457,S/D＞5% |
-12.5%,+15% |
|
|
≥508, S/D≤5% |
-12.5%,+22.5% |
|
|
≥508, S/D＞5% |
-12.5%,+15% |
|
Shanghai Toko Technology Co.,ltd. is professional ASTM A790 2507/S32750 Super Duplex Steel Seamless Pipe/Tube Suppliers and ASTM A790 2507/S32750 Super Duplex Steel Seamless Pipe/Tube Factory, located in Shanghai, China, and has been worked in the field of industrial piping for 11 years. We are committed to manufacturing and exporting stainless steel seamless pipe, stainless steel welded pipes, stainless steel fittings and flanges, nickel alloy products, Titanium seamless and welded tubes, etc. Our factories are all ISO&PED certificated, and the products can be produced in standard ASTM, JIS, DIN, EN, GOST, etc. Our products are widely used in the Oil and Gas, Petrochemical, Sugar Refining, Water Process, Desalination, Geothermal industry etc. We exported to dozens of countries and regions such as USA, Canada, Japan, Germany, France, Korea, Turkey ect.
Our Vision: To be an excellent supplier of global industrial piping system solutions.
Our Mission: To help global industrial pipeline construction with the products made in China.
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