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 detailsHigh Nickel Alloys supplied across the pipe fittings range. Sizes, schedules and the applicable standard are confirmed on enquiry.
See High Nickel Alloys detailsCupro-Nickel supplied across the pipe fittings range. Sizes, schedules and the applicable standard are confirmed on enquiry.
See Cupro-Nickel detailsStainless Steel supplied across the pipe fittings range. Sizes, schedules and the applicable standard are confirmed on enquiry.
See Stainless Steel detailsHigh Nickel Grades supplied across the fasteners range. Sizes, schedules and the applicable standard are confirmed on enquiry.
See High Nickel Grades detailsHastelloy C-276 supplied across the fasteners range. Sizes, schedules and the applicable standard are confirmed on enquiry.
See Hastelloy C-276 detailsMonel 400 supplied across the fasteners range. Sizes, schedules and the applicable standard are confirmed on enquiry.
See Monel 400 detailsInconel — All Grades supplied across the fasteners range. Sizes, schedules and the applicable standard are confirmed on enquiry.
See Inconel — All Grades detailsNickel 200 / 201 supplied across the fasteners range. Sizes, schedules and the applicable standard are confirmed on enquiry.
See Nickel 200 / 201 detailsCopper supplied across the fasteners range. Sizes, schedules and the applicable standard are confirmed on enquiry.
See Copper detailsCopper-Nickel supplied across the fasteners range. Sizes, schedules and the applicable standard are confirmed on enquiry.
See Copper-Nickel detailsCopper supplied across the pipe range. Sizes, schedules and the applicable standard are confirmed on enquiry.
See Copper detailsCopper-Nickel supplied across the pipe range. Sizes, schedules and the applicable standard are confirmed on enquiry.
See Copper-Nickel detailsAluminium Marine Grade supplied across the pipe range. Sizes, schedules and the applicable standard are confirmed on enquiry.
See Aluminium Marine Grade detailsHigh Nickel Alloys supplied across the pipe range. Sizes, schedules and the applicable standard are confirmed on enquiry.
See High Nickel Alloys detailsStainless Steel supplied across the pipe range. Sizes, schedules and the applicable standard are confirmed on enquiry.
See Stainless Steel detailsStandards
Specifications
we work to
The standard that applies depends on the product form and the material. Confirm the exact revision with your enquiry.
| Product form | Material | Standard |
|---|---|---|
| Butt weld fittings | Stainless steel | ASTM A403 / ASME B16.9 |
| Butt weld fittings | Nickel alloy | ASTM B366 / ASME B16.9 |
| Butt weld fittings | Cupro-nickel | ASTM B466 / MIL-F-1183 |
| Butt weld fittings | Aluminium | ASTM B361 |
| Forged fittings | All materials | ASME B16.11 |
| Pipe — seamless | Stainless steel | ASTM A312 |
| Pipe — welded | Stainless steel | ASTM A358 |
| Pipe / tube | Nickel alloy | ASTM B161 / B165 / B167 / B423 / B444 |
| Pipe / tube | Copper-nickel | ASTM B466 / B467 / B111 |
| Pipe / tube | Copper | ASTM B88 / B42 / B280 |
| Pipe / tube | Aluminium | ASTM B241 / B210 |
| Fasteners — bolts | Nickel alloy | ASTM F468 / B637 |
| Fasteners — nuts | Nickel alloy | ASTM F467 |
| Fasteners — bolting | Stainless steel | ASTM A193 / A194 |
| Threads — metric | All materials | ISO 261 / ISO 4014 / ISO 4017 |
| Threads — inch | All materials | ASME 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.
| Nominal size | NB (mm) | Outside diameter (mm) | SCH 40 wall (mm) |
|---|---|---|---|
| 1/2" | 15 | 21.3 | 2.77 |
| 3/4" | 20 | 26.7 | 2.87 |
| 1" | 25 | 33.4 | 3.38 |
| 1-1/4" | 32 | 42.2 | 3.56 |
| 1-1/2" | 40 | 48.3 | 3.68 |
| 2" | 50 | 60.3 | 3.91 |
| 3" | 80 | 88.9 | 5.49 |
| 4" | 100 | 114.3 | 6.02 |
| 6" | 150 | 168.3 | 7.11 |
| 8" | 200 | 219.1 | 8.18 |
| 10" | 250 | 273.0 | 9.27 |
| 12" | 300 | 323.8 | 10.31 |
| Metric size | Coarse pitch (mm) | Nearest inch size |
|---|---|---|
| M6 | 1.00 | 1/4" – 20 UNC |
| M8 | 1.25 | 5/16" – 18 UNC |
| M10 | 1.50 | 3/8" – 16 UNC |
| M12 | 1.75 | 1/2" – 13 UNC |
| M16 | 2.00 | 5/8" – 11 UNC |
| M20 | 2.50 | 3/4" – 10 UNC |
| M24 | 3.00 | 1" – 8 UNC |
| M30 | 3.50 | 1-1/4" – 7 UNC |
| M36 | 4.00 | 1-1/2" – 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.
Downloads
Catalogue & datasheets
Get in Touch
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