MS Buttweld 'C' Class

3D Bend

Mild Steel · ASME B16.9 · 20 sizes

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MS Buttweld 'C' Class

Buttweld 3D Bend

7307MS3D40C001

Material: Mild Steel (IS 1239 Part 2 / IS 2062 Gr. A)
Type: Welded (ERW)
Angle: 90°
Radius: 38.1 mm (3D)
Bend Multiplier: 3D (R = 3 × NPS × 25.4 mm)
Schedule: Class C (Heavy)
End Connection: Beveled End
Dimension Standard: ASME B16.9
Temperature: -10°C to 300°C
Pressure Rating: ~63 bar (IS 1239 Class C, Heavy)
HSN Code: 73079300
GST: 18%

Schematic: letters match the table columns

Illustration

6 columns · scroll sideways

SizeNPS	OD (D)mm	Wall (t)mm	Center-to-End (A)mm	Radius (R)mm	Angle
1/2" NB	21.3	2.5	38.1	38.1 (3D)	90°
3/4" NB	26.7	2.5	57.2	57.2 (3D)	90°
1" NB	33.4	3.5	76.2	76.2 (3D)	90°
1-1/4" NB	42.2	3.5	95.3	95.3 (3D)	90°
1-1/2" NB	48.3	4.0	114.3	114.3 (3D)	90°
2" NB	60.3	3.5	152.4	152.4 (3D)	90°
2-1/2" NB	73.0	4.0	190.5	190.5 (3D)	90°
3" NB	88.9	4.0	228.6	228.6 (3D)	90°
4" NB	114.3	4.5	304.8	304.8 (3D)	90°
5" NB	141.3	4.5	381.0	381.0 (3D)	90°
6" NB	168.3	4.5	457.2	457.2 (3D)	90°
8" NB	219.1	5.5	609.6	609.6 (3D)	90°
10" NB	273.0	5.5	762.0	762.0 (3D)	90°
12" NB	323.8	5.5	914.4	914.4 (3D)	90°
14" NB	355.6	5.5	1066.8	1066.8 (3D)	90°
16" NB	406.4	5.5	1219.2	1219.2 (3D)	90°
18" NB	457.2	5.5	1371.6	1371.6 (3D)	90°
20" NB	508.0	5.5	1524.0	1524.0 (3D)	90°
22" NB	558.8	5.5	1676.4	1676.4 (3D)	90°
24" NB	609.6	5.5	1828.8	1828.8 (3D)	90°

Pricing: prices for this product are not listed. Request a quotation.

Certification: All relevant test certificates or document will be provided.
Coating: Anticorrosion Paint Charges Included and Hot Dip Galvanizing Coating (GI), Epoxy Coating Charged Extra.
Taxes & Duties: GST and any other statutory levies shall be charged extra at applicable rates.

All dimensions in millimetres. Subject to change without notice. Spotted a mistake or wrong data? Please contact us.

About the 3d bend

A 3D pipe bend has a centreline radius equal to 3× the nominal pipe diameter. Gentler than a standard 1.5D LR elbow and much smoother than 1D SR: used in pig-able pipelines, high-velocity gas lines, and anywhere minimum pressure drop is required.

Applicable Standards

Standards governing design, dimensions, and testing

ASME B16.9

Factory-Made Wrought Buttwelding Fittings

Covers the full range of industrial butt weld fittings (elbows, tees, reducers, caps, returns) in carbon steel, alloy steel, and stainless steel from ½" to 48" NB.

Applies to NPS ½" through 48" (DN 15 through DN 1200)
Schedule wall: STD / XS / XXS plus full SCH range
Radius: Long Radius (LR) 1.5D and Short Radius (SR) 1.0D elbows
Dimensional tables are the only source of 'legal' wall thickness
No pressure-temperature rating: use ASME B31.3 / B31.1 with pipe schedule
End prep: per ASME B16.25 bevel

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MS Buttweld 'C' Class

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