6" SCH40 ASTM A403 / ASTM A234 / ASTM A420 / ASTM A815 / ELBOW 45° LONG RADIUS.
We are a SA403 S31254 elbow,254SMO Elbow,stainless steel elbow,Tee,ASME B16.9 Butt weld Pipe Fitting manufacturer,We can offer both Seamless and Welded type butt weld fittings.
We can produce high quality stainless steel elbow
180deg stainless steel ASTM A403 WPS31254 elbow
90deg stainless steel ASTM A403 WPS31254 elbow
45deg stainless steel ASTM A403 WPS31254 elbow
Products | Size |
ASTM A403 WPS31254 SS Elbow – Long Radius | ASTM A403 WPS31254 SS Stub Ends | Sizes 1/2″ – 48″ |
ASTM A403 WPS31254 SS Elbow – Short Radius | ASTM A403 WPS31254 SS Cross |
ASTM A403 WPS31254 SS Reducing Elbow | ASTM A403 WPS31254 SS Reducing Cross |
ASTM A403 WPS31254 SS 45° Elbow | ASTM A403 WPS31254 SS Tees |
ASTM A403 WPS31254 SS Fabricated Tee | ASTM A403 WPS31254 SS End Cap |
ASTM A403 WPS31254 SS Reducer | ASTM A403 WPS31254 SS Coupling |
ASTM A403 WPS31254 SS Concentric Reducer | ASTM A403 WPS31254 SS Pipe Nipple |
ASTM A403 WPS31254 SS Eccentric Reducer | ASTM A403 WPS31254 SS 5D Elbow |
ASTM A403 WPS31254 SS 3D Elbow | ASTM A403 WPS31254 SS Welded Pipe Fittings |
ASME SA403 WPS31254 Stainless Steel Buttweld Fittings Equivalent Grades
STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
SS WP321 | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
Stainless Steel S31254 1.4547 Pipe Fittings Chemical Composition
SMO 254 | Ni | C | Mo | Mn | Si | Fe | Cu | S | P | Cr |
17.5 – 18.5 | 0.02 max | 6 – 6.5 | 1 max | 0.8 max | – | 0.5 – 1 | 0.01 max | 0.03 max | 19.5 – 20.5 |
SMO 254 Duplex Buttweld Pipe Fittings Mechanical Properties
Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
8.0 g/cm3 | 1320-1390 ℃ | 300 | 650 | 35 % |
Equivalent Grades for 1.4547 Stainless Steel Fittings
STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | JIS | SIS | GOST |
SMO 254 | S31254 | 1.4547 | Z1 CNDU 20.18.06Az | X1CrNiMoCuN20-18-7 | – | 2378 |
Elbow 90° Long Radius Dimension
LONG RADIUS ELBOWS (R = 1,5 ND) ANSI B 16.9 dimensions |
inches | ND | mm | Center to center | Radius | Center to end | Back to face |
D | O | A | B | K |
1/2 | 15 | 21,34 | 76,20 | 38,10 | 15,87 | 47,62 |
3/4 | 20 | 26,67 | 57,15 | 28,57 | 11,11 | 42,86 |
1 | 25 | 33,40 | 76,20 | 38,10 | 22,22 | 55,56 |
1 1/4 | 32 | 42,16 | 95,25 | 47,60 | 25,40 | 69,85 |
1 1/2 | 40 | 48,26 | 114,30 | 57,15 | 28,57 | 82,55 |
2 | 50 | 60,32 | 152,40 | 76,20 | 34,92 | 106,40 |
2 1/2 | 65 | 73,02 | 190,50 | 95,25 | 44,45 | 131,80 |
3 | 80 | 88,90 | 228,60 | 114,30 | 50,80 | 158,75 |
3 1/2 | 90 | 101,60 | 266,70 | 133,35 | 57,15 | 184,15 |
4 | 100 | 114,30 | 304,80 | 152,40 | 63,50 | 209,55 |
5 | 125 | 141,30 | 381,00 | 190,50 | 79,38 | 261,90 |
6 | 150 | 168,27 | 457,20 | 228,60 | 95,25 | 312,70 |
8 | 200 | 219,07 | 609,60 | 304,80 | 127,00 | 414,30 |
10 | 250 | 273,05 | 762,00 | 381,00 | 158,75 | 517,50 |
12 | 300 | 323,85 | 914,40 | 457,20 | 190,50 | 619,10 |
14 | 350 | 355,60 | 1066,80 | 533,40 | 222,25 | 711,20 |
16 | 400 | 406,40 | 1219,20 | 609,60 | 254,00 | 812,80 |
18 | 450 | 457,20 | 1371,60 | 685,80 | 285,74 | 914,40 |
20 | 500 | 508,00 | 1524,00 | 762,00 | 317,50 | 1016,00 |
22 | 550 | 558,80 | 1676,40 | 838,20 | 342,90 | 1117,60 |
24 | 600 | 609,60 | 1828,80 | 914,40 | 381,00 | 1219,20 |
28 | 700 | 711,20 | 2133,60 | 1066,80 | 441,90 | 1422,40 |
Dimensions in mm. |

