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Alloy Steel Pipe Fitting

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Alloy Steel Pipe Fitting

Alloy Steel Pipe Fittings Manufacturer, Supplier & Exporter in India

Astromet Steel & Engineering is a trusted manufacturer and supplier of Alloy Steel Pipe Fittings designed to perform under high pressure, high temperature, and corrosive service conditions. Alloy steel fittings are produced by adding elements such as chromium, molybdenum, and nickel, which significantly enhance strength, hardness, and resistance to oxidation.

Our alloy steel pipe fittings are widely used in oil & gas, refineries, petrochemicals, thermal power plants, fertilizers, and heavy engineering industries. These fittings ensure excellent weldability, long service life, and superior performance in extreme operating environments.

All products are manufactured as per international standards and undergo strict quality testing, including dimensional inspection, chemical analysis, mechanical testing, and non-destructive testing, ensuring complete reliability and compliance.

Types Of Alloy Steel Pipe Fittings

  • Elbow (45°, 90°, 180°)

  • Tee (Equal & Reducing)

  • Reducer (Concentric & Eccentric)

  • Cap

  • Stub End

  • Bend

  • Cross

Alloy Steel Pipe Fittings Specifications

Grades Chrome Moly Grades P11, P5, P22, P1, P91 P9,, AISI 4140/ 4130
Specification A/SA234 WP1, WP5, WP9, WP11, WP22, WP91 | A/SA182 F1, F5, F9, F11, F22, F91
Types Welded / Seamless / Forged/ Fabricated
Bending Radius R=6D, 1D, 8D, 3D, 5D, 2D, 10D or Custom
Range ½ inch NB to 48 inch NB in Sch 10s, 80s, 160s, 40s, XXS.
Dimensions ANSI/ASME B16.28, B16.9, MSS-SP-43.

Phone

Office 1: +91 22 6636 2450
Office 2: +91 22 6743 8251

Email

info@astrometsteel.com
krish@astrometsteel.com

Address

# 143-145, Earth Castle Mall, #101-104, 1st Floor V. P. Road, Girgaum Mumbai - 400 004

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Standard of SA 234 Fittings

Standard Alloy Steel
AISI 4130 UNS G41300
AISI 4340 UNS G43400
AISI 4140 UNS G41400
AISI 8620 UNS G86200

Alloy Steel Pipe Fittings Dimensions

NPS ALL FITTINGS ALL FITTINGS CAPS ELBOWS AND TEES REDUCERS 180 DEG RETURN BENDS 180 DEG RETURN BENDS
OD at Bevel (1), (2) ID at End (1), (3), (4) Overall Length E Centre -to- End Dimension A, B, C, M Overall Length H Centre-to- Centre O Alignment of Ends U
½ to 2½ 0.006 -0.003 0.003 0.012 0.006 0.006 0.025 0.003
3 to 3 ½ 0.006 0.006 0.012 0.006 0.006 0.025 0.003
4 0.006 0.006 0.012 0.006 0.006 0.025 0.003
5 to 8 0.009 -0.006 0.006 0.025 0.006 0.006 0.025 0.003
10 to 18 0.016 -0.012 0.012 0.025 0.009 0.009 0.038 0.006
20 to 24 0.025 -0.019 0.019 0.025 0.009 0.009 0.038 0.006
26 to 30 0.025 -0.019 0.019 0.038 0.012 0.019 … …
32 to 48 0.025 -0.019 0.019 … 0.019 0.019 … …

Weight Chart of Alloy Steel Pipe Fittings

NPS 10S Schedule 40S Schedule 80S Schedule
Buttweld 45 Degree Elbow Buttweld 90 Degree Elbow B16.9 Buttweld Equal Tee Buttweld 45 Deg Elbows Buttweld 90 Deg Elbows B16.9 Buttweld Equal Tee Buttweld 45 Degree Elbow Buttweld 90 Degree Elbow ASME B16.9 Buttweld Equal Tee
8 0.01 0.02 0.03 0.02 0.03 0.06 0.03 0.04 0.07
10 0.02 0.03 0.05 0.02 0.03 0.03 0.04 0.06 0.09
15 0.03 0.06 0.09 0.04 0.08 0.10 0.05 0.10 0.14
20 0.03 0.07 0.13 0.04 0.08 0.17 0.05 0.11 0.20
25 0.08 0.14 0.28 0.11 0.15 0.29 0.14 0.22 0.38
32 0.11 0.23 0.49 0.17 0.26 0.59 0.23 0.40 0.68
40 0.17 0.30 0.68 0.23 0.40 0.86 0.29 0.51 1.02
50 0.25 0.50 0.85 0.4 0.70 1.28 0.59 0.91 1.59
65 0.48 0.85 1.41 0.77 1.40 2.19 0.99 1.81 3.13
80 0.63 1.25 1.77 1.08 2.20 3.31 1.50 2.97 4.45
90 0.75 1.70 2.67 1.42 2.83 4.08 2.00 4.00 5.44
100 1.08 2.10 3.46 2.09 4.47 5.27 2.81 6.18 7.71
150 2.72 5.45 8.07 5.44 10.89 10.99 8.16 16.32 13.61
200 5.33 10.20 15.65 10.77 21.54 20.91 16.56 33.11 28.12
250 9.75 18.15 26.46 19.27 38.56 35.38 25.86 51.71 49.90
300 13.62 25.80 39.46 29.71 59.42 62.14 39.69 79.38 83.91

Alloy Steel Fittings Length Chart

Equivalent List O.D And I.D Threads Size In Inches Diameter of Nominal Pipe
0.313 5/16 27 1/16
0.405 13/32 27 1/8
0.540 35/64 18 1/4
0.675 43/64 18 3/8
0.840 27/32 14 1/2
1.050 1-3/64 14 3/4
1.315 1-5/16 11-1/2 1
1.660 1-21/32 11-1/2 1-1/4
1.900 1-29/32 11-1/2 1-1/2
2.375 2-3/8 11-1/2 2
2.875 2-7/8 8 2-1/2
3.500 3-1/2 8 3
4.000 4 8 3-1/2
4.500 4-1/2 8 4

Pressure Rating of Alloy Steel Buttweld Fittings

Temperature Ratings Type of Pressure Class
150 LBS 300 LBS
1/4 – 1 Inches 1 1/4 – 2 Inches 2 1/2 – 3 Inches
(oF) (oC)
550 288 – 300 300 300
500 260 – 510 450 385
450 232 – 725 600 475
400 204 – 935 750 560
350 177 150 1150 900 650
300 149 185 1360 1050 735
250 121 225 1575 1200 825
200 93 265 1785 1350 910
-20 to 150 -29 to 66 300 2000 1500 1000

Why Choose Astromet Steel & Engineering?

This advanced resistance to intergranular corrosion because of the

  • Consistent quality & competitive pricing
  • Ready stock & custom fabrication
  • International standard compliance
  • On-time delivery worldwide
  • Complete documentation & certification