Butt weld pipe fittings — tees, elbows, reducers, caps and stub ends

Technical Information

Grades, standards and dimension charts for the pipe, fittings and fasteners we supply.

Material Grades

Grades by division

The material options currently listed. Open a grade for detail, or go straight to the product page.

Aluminium supplied across the pipe fittings range. Sizes, schedules and the applicable standard are confirmed on enquiry.

See Aluminium details

High Nickel Alloys supplied across the pipe fittings range. Sizes, schedules and the applicable standard are confirmed on enquiry.

See High Nickel Alloys details

Cupro-Nickel supplied across the pipe fittings range. Sizes, schedules and the applicable standard are confirmed on enquiry.

See Cupro-Nickel details

Stainless Steel supplied across the pipe fittings range. Sizes, schedules and the applicable standard are confirmed on enquiry.

See Stainless Steel details

Standards

Specifications
we work to

The standard that applies depends on the product form and the material. Confirm the exact revision with your enquiry.

Standards by product form and material
Product formMaterialStandard
Butt weld fittingsStainless steelASTM A403 / ASME B16.9
Butt weld fittingsNickel alloyASTM B366 / ASME B16.9
Butt weld fittingsCupro-nickelASTM B466 / MIL-F-1183
Butt weld fittingsAluminiumASTM B361
Forged fittingsAll materialsASME B16.11
Pipe — seamlessStainless steelASTM A312
Pipe — weldedStainless steelASTM A358
Pipe / tubeNickel alloyASTM B161 / B165 / B167 / B423 / B444
Pipe / tubeCopper-nickelASTM B466 / B467 / B111
Pipe / tubeCopperASTM B88 / B42 / B280
Pipe / tubeAluminiumASTM B241 / B210
Fasteners — boltsNickel alloyASTM F468 / B637
Fasteners — nutsNickel alloyASTM F467
Fasteners — boltingStainless steelASTM A193 / A194
Threads — metricAll materialsISO 261 / ISO 4014 / ISO 4017
Threads — inchAll materialsASME B1.1 / ASME B18.2.1

Indicative data only. Values are typical for the grade and are shown for guidance. Confirm the applicable standard, and the actual figures on the mill test certificate, before using them for design or procurement.

Dimension Charts

Sizes at a glance

Common pipe sizes and fastener threads. Other sizes are available — ask.

Standard pipe sizes — outside diameter and SCH 40 wall thickness
Nominal sizeNB (mm)Outside diameter (mm)SCH 40 wall (mm)
1/2"1521.32.77
3/4"2026.72.87
1"2533.43.38
1-1/4"3242.23.56
1-1/2"4048.33.68
2"5060.33.91
3"8088.95.49
4"100114.36.02
6"150168.37.11
8"200219.18.18
10"250273.09.27
12"300323.810.31
Fastener threads — metric coarse pitch and nearest inch equivalent
Metric sizeCoarse pitch (mm)Nearest inch size
M61.001/4" – 20 UNC
M81.255/16" – 18 UNC
M101.503/8" – 16 UNC
M121.751/2" – 13 UNC
M162.005/8" – 11 UNC
M202.503/4" – 10 UNC
M243.001" – 8 UNC
M303.501-1/4" – 7 UNC
M364.001-1/2" – 6 UNC

Indicative data only. Values are typical for the grade and are shown for guidance. Confirm the applicable standard, and the actual figures on the mill test certificate, before using them for design or procurement.

Get in Touch

Tell us the grade and size

Rushabh Shah will come back to you directly with availability and pricing.