SS 316 Buttweld

45° Elbow

Stainless Steel · ASME B16.9 · 13 sizes

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SS 316 Buttweld

Buttweld 45° Elbow

7307SS31645001

Material: Stainless Steel 316/316L (ASTM A403 WP316)
Type: Seamless
Angle: 45°
Radius: —
Schedule: SCH 40S
End Connection: Beveled End per ASME B16.25
Dimension Standard: ASME B16.9
Temperature: -196 deg C to 870 deg C
Pressure Rating: Per ASME B31.3 schedule rating
HSN Code: 73072990
GST: 18%

Schematic: letters match the table columns

Illustration

5 columns · scroll sideways

SizeNPS	OD (D)mm	Wall (t)mm	Center-to-End (B)mm	Weightkg
1/2" NB	21.3	2.77	15.7	0.02
3/4" NB	26.7	2.87	19.1	0.04
1" NB	33.4	3.38	22.4	0.06
1-1/4" NB	42.2	3.56	25.4	0.10
1-1/2" NB	48.3	3.68	28.4	0.14
2" NB	60.3	3.91	35.1	0.23
2-1/2" NB	73.0	5.16	44.5	0.41
3" NB	88.9	5.49	50.8	0.61
4" NB	114.3	6.02	63.5	1.16
5" NB	141.3	6.55	79.2	1.99
6" NB	168.3	7.11	95.3	3.05
8" NB	219.1	8.18	127.0	5.77
10" NB	273.0	9.27	158.8	10.03

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

Certification: MTR, PMI, dye penetrant (PT) test certificates available.
Coating: 2B mill finish. Mirror / brushed / electropolished on request.
Taxes & Duties: GST and all applicable levies charged extra at prevailing rates.

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

About the 45° elbow

A 45° elbow provides a gentle direction change with lower pressure drop than a 90° elbow. Used wherever a gradual turn is possible, often combined with a 90° elbow to achieve offset pipe runs without a full right-angle turn.

45° direction change: gentler than 90° elbow
Lower pressure drop coefficient (K ≈ 0.07–0.14) vs 90° elbow
Identical bore and end connection to matching 90° elbow
Available in 1.25D (IS) and 1.5D LR (ASME) radius

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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SS 316 Buttweld

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