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Duplex Pipe Fittings

Duplex pipe fittings specification

DSS Elbow Manufacturer in India, For Detail Information Check Specification

Duplex Pipe Fittings Specification


Supplier of SA 815 Duplex Buttweld Fittings in Different Sizes as Per ASME B16.28 Standards

Duplex SS Buttweld Fittings Standards


Duplex stainless steel pipe fittings standards

Dimensions of Duplex Steel Fittings


Nominal fitting size All fittings Duplex fittings Elbow & tees 180° return bend Reducers 180° return bend Caps 180° return bend
NPS I.D. at End
(1), (3), (4)
O.D. at Bevel (1), (2) Centre to end dimension Centre to centre Overall length Back to face Overall length Alignment of ends
3 to 3 1/2 0.06 0.06 0.06 0.25 0.06 0.25 0.12 0.03
1/2 to 2 1/2 0.03 0.06
-0.03
0.06 0.25 0.06 0.25 0.12 0.03
4 0.06 0.06 0.06 0.25 0.06 0.25 0.12 0.03
10 to 18 0.12 0.16
-0.12
0.09 0.38 0.09 0.25 0.25 0.06
5 to 8 0.06 0.09
-0.06
0.06 0.25 0.06 0.25 0.25 0.03
20 to 24 0.19 0.25
-0.19
0.09 0.38 0.09 0.25 0.25 0.06
32 to 48 0.19 0.25
-0.19
0.19 0.19 0.38
26 to 30 0.19 0.25
-0.19
0.12 0.19 0.38

DSS Seamless Pipe Fittings Delivery Schedules


Country Name Vietnam Singapore Indonesia Malaysia Thailand Sri Lanka Japan
Delivery Time 8-10 Days

Types of Duplex SS BW Fittings


Duplex steel reducer

Duplex steel reducer

 DSS cap

DSS cap

 Duplex steel elbow

Duplex steel elbow

 Duplex metal tee

Duplex metal tee

Duplex SS stub end

Duplex SS stub end

Duplex pipe bend

Duplex pipe bend

Duplex stainless steel cross

Duplex stainless steel cross

Find Duplex Steel Seamless and Welded Pipe Fittings Pressure Rating Chart

Pressuer Ratings of DSS Welded Fittings


NPS
(in)
OD
(in)
Temperature
500 400 300 200 100
1 1/2" 1.900 1404 1512 1629 1629 1629
1.900 1986 2138 2303 2303 2303
1.900 2899 3120 3362 3362 3362
1" 1.315 1902 2047 2205 2205 2205
1.315 2640 2841 3061 3061 3061
1.315 3874 4170 4493 4493 4493
2" 2.375 1182 1272 1371 1371 1371
2.375 1712 1843 1985 1985 1985
2.375 2831 3047 3283 3283 3283
3" 3.500 1122 1208 1301 1301 1301
3.500 1590 1712 1844 1844 1844
3.500 2403 2587 2787 2787 2787
5" 5.563 832 896 965 965 965
5.563 1231 1325 1428 1428 1428
5.563 2133 2296 2474 2474 2474
4" 4.500 950 1023 1102 1102 1102
4.500 1377 1482 1596 1596 1596
4.500 2552 2424 2611 2611 2611
6" 6.625 756 814 877 877 877
6.625 1189 1280 1379 1379 1379
6.625 2054 2211 2382 2382 2382
10" 10.750 603 649 699 699 699
10.750 999 1075 1159 1159 1159
10.750 1974 2124 2289 2289 2289
8" 8.625 665 716 771 771 771
8.625 1050 1131 1218 1218 1218
8.625 1982 2133 2298 2298 2298
Check ASTM A815 Duplex Steel Tee and Reducer Chemical Composition

Chemical Composition of Duplex Alloy Seam Welded Fittings


Mo C Mn Cr Ni Si P S N Fe
3.00-3.50
.030 Max
2.00 Max
22.0-23.0
4.50-6.50
1.00 Max
.030 Max
.020 Max
0.14-0.20
Balance

Applications of Duplex Steel Pipe Fittings


Duplex steel pipe fittings applications
Get Duplex Stainless Steel Cap and Stub End Equivalent and Mechanical Properties

Mechanical Properties of DSS Weld Fittings


Grade % Elongation YS (MPa) Hardness(BHN) UTS (MPa)
S31803 25 min. 450 min. 293 max. 620 min.

Duplex Butt Welded Fittings Equivalent Grade


STANDARD WERKSTOFF NR. UNS
Duplex 1.4462 S31803 / S32205

DSS Weldable Pipe Fittings Physical Properties


Physical Property Thermal Conductivity Modulus of Elasticity Electrical Resistivity Density Thermal Expansion
Value 19.0 W/m.K 200 GPa 0.85 x10^-6 Ω .m 7.805 g/cm³ 13.7 x10^-6 /K

Useful Informations of Duplex SS BW Fittings


Duplex pipe fittings useful information

Temperature Range of DSS Buttweld Pipe Fittings


Units 100°C 20°C 300°C 200°C
Linear expansion (RT ➞ T)°C x 10-6/°C 13 - 14 13.5
Density g/cm³ - 7.8 - -
lb/in³ - 0.28 - -
Thermal conductivity W/m°C 16 15 18 17
Btu/h ft°F - 8.7 - -
Thermal capacity J/kg°C 530 500 590 560
Modulus of elasticity GPa 194 200 180 186
psi x 10-6 - 29 - -
Electric resistivity µΩm 0.85 0.8 1 0.9
Poissons ratio - 0.3 - -