Global Stainless Steel India
Alloy Steel Fittings
Alloy Steel Fittings
Low Alloy Steel Pipe Fittings
Low Alloy Steel Pipe Fittings
Chromoly Pipe Fittings
Chromoly Pipe Fittings


High Alloy Steel Pipe Fittings Specification


Standard Specification : Alloy Steel Fittings
Thickness: View Our Thickness: Schedule 5S, SCH10, SCH20, SCH10, SCH20, SCH30, SCHTD, SCH40, SCH60, XS, SCH80, SCH100, SCH120, SCH140, SCH160.
Standard: JIS B2313 Fittings, ANSI B16.9 Fittings, MSS-SP-43 Type A Fittings, MSS-SP-43 Type b Fittings, MSS-SP-43 Type B Fittings, ANSI B16.28 Fittings, JIS B2312 Fittings
Dimensions Class: 2000#, 3000#, 6000#, 9000#
Alloy Steel Fittings Coating Faces : Yellow Transparent, Oil Black Paint, Anti-rust Paint, Cold and Hot Dip Galvanized, Zinc Plated
Fitting Machining Equipment: Bending machine, Pushing Machine, Sand-blasting machine, Press machine, electric bevelling machine etc
Rating Pressure: Pressure Rating Of: 3000 LBS, 6000 LBS, 9000 LBS
Check Sizes: (SMLS UPTO 24”)
1/2” TO 36”
(Buttweld 8” TO 36” )
Application: Water Pipeline Industry
Chemical Industry
Nuclear Power Plant
Natural Gas Industry
Fabrication Industry
Oil And Gas Industry


Types Of ANSI B16.9 Chromoly Pipe Fittings



Low AS Pipe Fittings Temperature Range


Low AS Pipe Fittings Temperature Range

Chromoly Alloy Steel Buttweld Fittings Weight Chart


Products Size
Annealed Alloy Steel Cups 1/2'' NB to 14'' NB
Normalized Alloy Steel Stub Ends 1/2'' NB to 14'' NB
Scm420 Chromoly Alloy Steel Socket Weld Upto 2'' NB
4142 Chromoly Alloy Steel Nipple Upto 4''
4140 Low Alloy Steel Coupling Upto 4''NB
Chromoly Alloy Steel Elbow 1/2'' NB to 14'' NB
Cast Alloy Steel Reducer 1'' NB to 14'' NB
Chromium Alloy Steel Tee 1'' NB to 14'' NB

4130 Alloy Steel Forged Fittings Dimensions


NPS AS 90 Deg Elbows AS 45 Deg Elbows AS 180 Deg Return Long Radius
Long Radius Short Radius 3R Long Radius 3R STD XS
STD XS SCH. 160 XXS STD XS STD XS STD XS STD XS
½ .18 .25 * * * * * * .09 .19 * * .35 *
¾ .19 .25 * * * * * * .09 .19 * * .40 .65
1 .40 .50 .60 .75 .25 * * * 0.25 .31 * * .75 1.00
.60 .90 1.00 1.38 .4 * * * 0.38 .50 * * 1.25 1.75
.90 1.15 1.80 1.50 .56 .75 * * .40 .69 * * 1.88 2.39
2 1.60 2.20 3.25 3.50 1.00 1.50 3.00 4.00 .81 1.19 1.5 2.1 3.23 4.40
3.25 4.00 5.13 7.00 2.13 2.80 6.00 8.00 1.75 2.13 3.00 4.00 6.50 8.00
3 5.00 6.50 8.50 11.0 3.00 4.25 10.0 13.0 2.63 3.50 5.00 7.00 10.25 13.00
6.75 8.35 * 16.0 4.50 6.00 13.0 18.0 3.50 4.50 7.00 9.00 13.00 16.75
4 9.00 13.5 18.0 20.0 6.25 8.50 18.0 25.0 4.50 6.10 9.00 13.0 18.5 25.0
5 15.0 22.0 32.0 36.0 9.60 14.0 29.0 43.0 7.50 10.7 15.0 22.0 30.0 44.0
6 24.5 35.0 57.0 65.0 18.0 23.0 45.0 70.0 12.0 17.5 23.0 35.0 50.0 70.0
8 50.0 71.0 120 118 34.0 47.5 90.0 140 23.0 35.0 45.0 70.0 95.0 142
10 88.0 107 260 * 58.0 70.0 159 218 43.0 53.0 80.0 109 117 215
12 125 160 450 * 80.0 104 233 310 62.0 84.0 117 155 230 320
14 160 205 572 * 105 140 298 400 80.0 100 149 200 325 400
16 206 276 * * 132 174 390 520 100 135 195 260 412 550
18 260 340 * * 167 219 495 660 126 167 248 330 510 690
20 320 420 * * 210 275 610 810 160 206 305 405 640 830
22 394 520 * * * * 735 980 197 260 368 490 787 1040
24 460 600 * * 298 392 875 1170 238 300 438 585 890 1200
26 550 729 * 1030 1370 275 365 515 685
30 734 975 1370 1830 367 488 685 915
36 1062 1412 1970 2630 531 706 985 1315


ASME B16.9 Alloy Steel Fittings Chemical Requirements



WPB B,C,D,E,
WPC C,D,E, WP11 CL1 WP11 CL2, WP11 CL3 WP22 CL1 WP22 CL3 WP5 CL1, WP5 CL3
Carbon 0.3 0.35 0.05–0.15 0.05–0.20 0.05–0.20 0.05–0.15 0.05–0.15 0.15 0.15
Manganese 0.29–1.06 0.29–1.06 0.30–0.60 0.30–0.80 0.30–0.80 0.30–0.60 0.30–0.60 0.30–0.60 0.30–0.60
Phosporus 0.05 0.05 0.03 0.04 0.04 0.04 0.04 0.04 0.04
Sulfur 0.058 0.058 0.03 0.04 0.04 0.04 0.04 0.03 0.03
Silicon 0.10 min 0.10 min 0.50–1.00 0.50–1.00 0.50–1.00 0.5 0.5 0.5 0.5
Chromium 0.4 0.4 1.00–1.50 1.00–1.50 1.00–1.50 1.90–2.60 1.90–2.60 4.0–6.0 4.0–6.0
Molybdenum 0.15 max 0.15 max 0.44–0.65 0.44–0.65 0.44–0.65 0.87–1.13 0.87–1.13 0.44–0.65 0.44–0.65
Nickel 0.4 0.4
Copper 0.4 0.4
Others Vanadium 0.08 Vanadium 0.08

Cast Alloy Steel Weld Fittings Mechanical Requirements


Gr. Tensile Strength, min. ksi[MPa] Yield Strength, min. ksi[MPa] Elongation, min. %
Longitudinal Transverse
WP1 55-80[380-550] 30[205] 20 13
WP12 CL1 60[415] 32[220] 22 14
WP12 CL2 70[485] 40[275] 22 14
WP11 CL1 60[415] 30[205] 22 14
WP11 CL2 70[485] 40[275] 22 14
WP11 CL3 75[520] 45[310] 22 14
WP22 CL1 60[415] 30[205] 22 14
WP22 CL3 75[520] 45[310] 22 14
WP24 85[585] 60[415] 20 -
WP5 CL1 60[415] 30[205] 22 14
WP5 CL3 75[520] 45[310] 22 14
WP9 CL1 60[415] 30[205] 22 14
WP9 CL3 75[520] 45[310] 22 14
WPR 63-99[435-605] 46[315] 20 -
WP91 90[620] 60[415] 20 13
WP911 90-120[620-840] 64[440] 20 13
WP92 90-120[620-840] 64[440] 20 13