| 
                     Duplex Steel Seamless Pipe 
 Size ANSI B36.19M/B36.10M 
 
| Outside diameter | 
Outside | 
Thickness |  
| SCH 5S | 
SCH 10S | 
SCH 40S |  
| N.B | 
NPS | 
mm | 
mm | 
mm | 
mm |  
| 8 | 
1/4' | 
13.72 | 
  | 
  | 
2.24 |  
| 10 | 
3/8' | 
17.15 | 
  | 
  | 
2.31 |  
| 15 | 
1/2' | 
21.34 | 
1.65 | 
2.11 | 
2.77 |  
| 20 | 
3/4' | 
26.67 | 
1.65 | 
2.11 | 
2.87 |  
| 25 | 
1' | 
33.40 | 
1.65 | 
2.77 | 
3.38 |  
| 32 | 
1-1/4' | 
42.16 | 
1.65 | 
2.77 | 
3.56 |  
| 40 | 
1-1/2' | 
48.26 | 
1.65 | 
2.77 | 
3.68 |  
| 50 | 
2' | 
60.33 | 
1.65 | 
2.77 | 
3.91 |  
| 65 | 
2-1/2' | 
73.03 | 
2.11 | 
3.05 | 
5.16 |  
| 80 | 
3' | 
88.90 | 
2.11 | 
3.05 | 
5.49 |  
| 90 | 
3-1/2' | 
101.60 | 
2.11 | 
3.05 | 
5.74 |  
| 100 | 
4' | 
114.30 | 
2.11 | 
3.05 | 
6.02 |  
| 125 | 
5' | 
141.30 | 
2.77 | 
3.4 | 
6.55 |  
| 150 | 
6' | 
168.28 | 
2.77 | 
3.4 | 
7.11 |  
| 200 | 
8' | 
219.08 | 
2.77 | 
3.76 | 
8.18 |  
| 250 | 
10' | 
273.05 | 
3.40 | 
4.19 | 
9.27 |  
| 300 | 
12' | 
323.85 | 
3.96 | 
4.57 | 
9.52 |   
 
| Outside diameter | 
Outside | 
Thickness |  
| SCH 5S | 
SCH 10S | 
SCH 20S | 
SCH 40S |  
| (A) | 
(B) | 
mm | 
mm | 
mm | 
mm | 
mm |  
| 350 | 
14' | 
355.6 | 
3.96 | 
4.78 | 
7.92 | 
11.13 |  
| 400 | 
16' | 
406.4 | 
4.19 | 
4.78 | 
7.92 | 
12.7 |  
| 450 | 
18' | 
457.2 | 
4.19 | 
4.78 | 
7.92 | 
14.27 |  
| 500 | 
20' | 
508.0 | 
4.78 | 
5.54 | 
9.53 | 
15.09 |  
| 550 | 
22' | 
558.8 | 
4.78 | 
5.54 | 
9.53 | 
15.09 |  
| 600 | 
24' | 
609.6 | 
5.54 | 
6.35 | 
9.53 | 
17.48 |  
| 650 | 
26' | 
660.4 | 
5.54 | 
7.92 | 
12.7 | 
17.48 |  
| 700 | 
28' | 
711.2 | 
5.54 | 
7.92 | 
12.7 | 
17.48 |  
| 750 | 
30' | 
762.0 | 
6.35 | 
7.92 | 
12.7 | 
17.48 |  
| 800 | 
32' | 
812.8 | 
  | 
7.90 | 
12.7 | 
17.48 |  
| 850 | 
34 | 
863.6 | 
  | 
7.92 | 
12.7 | 
17.48 |  
| 900 | 
36' | 
914.4 | 
  | 
7.92 | 
12.7 | 
19.05 |  
| 1000 | 
40' | 
1016.0 | 
  | 
9.53 | 
  | 
  |   
Tolerance 
 
| Standard | 
Outside(mm) | 
Thickness(mm) | 
Length(mm) |  
| ASTM A790 | 
≤48.26 | 
+0.40 -0.80 | 
 +No special provisions(Unspecified) 
-12.50%  | 
 Appoint Length 
Definite cut length 
+6.40 
-0   |  
| >48.26~114.30 | 
+0.80 -0.80 |  
| >114.30~219.08 | 
+1.60 -0.80 |  
| >219.08~457.20 | 
+2.40 -0.80 |  
| >457~660 | 
+3.20/-0.80 |  
| >660~864 | 
+4.00/-0.80 |  
|  >864~1219 | 
+4.48/-0.80 |    
Surface: Anneal & Pickled Surface 
Standard:ASTM A790 
Material:UNS31803,USNS32205/2205,UNS32750/2507 etc. 
  
| Grade\Country | 
China | 
USA. | 
Sweden | 
Germany | 
France | 
Japan |  
| Low Alloy Steel | 
00Cr23Ni4N | 
 UN23  
(SAF2304)  | 
 SS232  
(SAF2304)  | 
W.Nr.1.4362 | 
UR35N | 
DP11 |  
| Middle Alloy Steel | 
 00Cr18Ni5Mo3Si2  
00Cr22Ni5Mo3N  | 
 UNS S31500  
UNS S31803  | 
 SS2376(3RE60)  
SS2377(SAF2205)  | 
 W.Nr.1.4417 
 W.Nr.1.4462  | 
UR45N | 
 DP1  
DP8  |  
| High Alloy Steel  | 
 0Cr25Ni5Mo2  
00Cr25Ni7Mo3WCuN  | 
 UNS S32900  
UNS S31260  | 
SS2324(10RE51) | 
 W.Nr.1.4460  
W.Nr.1.4501  | 
  | 
 329J1  
329J2L  |  
| Super Duplex Steel | 
 00Cr25Ni7Mo4N  
00Cr25Ni6Mo3CuN  | 
 UNS S32750  
UNS S32550  | 
SS2328(SAF2507) | 
 W.Nr.1.4410  
W.Nr.1.4507  | 
  | 
 UR47N  
UR52N  |   
 1.Chemical Content(%)    
| Grade | 
C≤ | 
Mn≤ | 
Si≤ | 
S≤ | 
P≤ | 
Cr | 
Ni | 
Mo | 
Cu≤ | 
N |  
| 
 S32750((SAF2507)  
00Cr22Ni7Mo4N  | 
0.03 | 
1.20 | 
0.80 | 
0.020 | 
0.035 | 
24.0/ 26.0 | 
6.0/ 8.0 | 
3.0/ 5.0 | 
0.50 | 
0.24/ 0.32 |  
| S31803(SAF2205) 
   00Cr22Ni5Mo3N | 
0.03 | 
2.00 | 
1.0 | 
0.02 | 
0.030 | 
21.0/ 23.0 | 
4.50/ 6.50 | 
2.50/ 3.50 | 
  | 
0.08/ 0.20 |  
| S31500(3RE60) 
   00Cr18Ni5Mo3Si2 | 
0.03 | 
1.2/ 2.00 | 
1. 4/ 2.00 | 
0.030 | 
0.030 | 
18.0/ 19.0 | 
4.25/ 5.25 | 
2.50/ 2.00 | 
  | 
0.05/ 0.10 |   
   
 2.Mechanical Performance: 
  
|  Grade | 
 Hear Treating   
Temperature ℃  | 
Ab(MPa)≥ | 
As(MPa)≥ | 
∮≥ | 
HRB | 
HRC |  
| S32750(SAF2507) 
   00Cr22Ni5Mo3N | 
1025-1125  | 
800 | 
550 | 
15 | 
310 | 
32 |  
| S31803(SAF2205) 
   00Cr22Ni5Mo3N | 
1020-1100 | 
620 | 
450 | 
25 | 
290 | 
30.5 |  
| S31500(3RE60) 
   00Cr18Ni5Mo3Si2 | 
980-1040 | 
630 | 
440 | 
30 | 
290 | 
30.5 |   
  
					 
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