Heat exchanger tubeand special metals,drawn to your spec.
Seamless ASTM A179 carbon steel tube, plus titanium, nickel alloy and stainless tube, pipe, bar, flanges and fittings. Made to order at the mill, delivered to your door anywhere in South Africa by sea or air.
ASTM A179 seamless cold-drawn tube
The workhorse tube for shell-and-tube exchangers, condensers and feedwater heaters. Cold drawn for a close tolerance and smooth bore, then heat treated so it expands and rolls cleanly into the tube sheet.
| Standard | ASTM A179 / ASME SA179 |
|---|---|
| Outside diameter | 1/8″ to 3″ (3.2 to 76.2 mm) |
| Testing | To ASTM A450: flattening, flaring, hydro or NDE |
| Ends | Plain, cut to length; U-bends on request |
| Hardness | ≤ 72 HRB |
Ten product lines, one mill, made to order
Open a line for its standards and typical use. Every product is manufactured by CSM Group to your specification and tested at the mill before it ships.
01ASTM A179 carbon steel heat exchanger tubeA179 / SA179 · seamless cold drawn
Feedwater heaters, condensers, oil and process coolers. Drawn to your OD, wall and length for retubes and new builds, with no minimum order.
- OD
- 3.2 to 76.2 mm
- Test
- ASTM A450
- Form
- Straight or U-bend
02Seamless titanium tube and pipeB338 tube · B861 pipe · Gr 1–16
Condenser retubing, seawater cooling and corrosive process lines where copper alloy or stainless fails early.
- Grades
- 1, 2, 3, 7, 9, 12, 16
- Test
- Eddy current, UT, pressure
03Welded titanium pipeB862 · 6″ to 78″
The economical way to put titanium into large-bore cooling water, seawater intake and desalination pipework.
- Wall
- 5S to 160
- Schedules
- B36.19M, B36.10
04Stainless and duplex seamless tube and pipeA213 · A312 · A789 · A790
Exchanger tube and process pipe from 304 and 316L through 904L to duplex 2205 and super duplex 2507.
- Tube
- OD 3–168 mm
- Pipe
- 1/8″–20″, Sch 10–160
05Nickel and nickel alloy barInconel · Incoloy · Hastelloy · Monel
Valve stems, shafts, fasteners and pump parts for hot acid, chloride and high-temperature service.
- Diameter
- 6–400 mm
- Melt
- VIM + ESR
06Titanium plate and sheetB265 · Gr 1–23
Tube sheets, vessel shells, plate heat exchanger plates and linings.
- Sheet
- 0.4–5 mm
- Plate
- to 3 000 × 7 000 mm
07Titanium bar and rodB348 · F136
Commercially pure grades for corrosion duty and Ti-6Al-4V where strength matters.
- Diameter
- 6–200 mm
- Length
- to 6 000 mm
08Titanium flangesB381 · B16.5 / B16.47 · Cl 150–2500
Weld neck, slip-on, blind, threaded and integral flanges, or non-standard to your drawing.
- Size
- DN15–DN2000
- Facing
- FF, RF, RTJ and more
09Titanium pipe fittingsB363 · B16.9
Elbows, tees, crosses, reducers, stub ends and caps matched to your pipe schedule.
- Size
- ½″ to 1 800 mm
- Types
- BW, threaded, SW
10Stainless and duplex forgingsA182 · to 3 000 mm
Discs and rings for tube sheets, heavy flanges and vessel nozzles, machined to drawing.
- Grades
- F304 to F60
- Discs
- from 40 mm thick
The material partner behind your tender
On a power station outage or a petrochemical shutdown, the special metals are the longest-lead, hardest-to-price lines on the bill. Send the BOM as it stands and we return a price and lead time for every line.
Made to your specification
Grade, standard, size, length, testing and documents as the datasheet calls for, including non-standard sizes and machining to drawing.
Straight from the mill
As CSM Group’s only South African reseller we order direct, with no stockist or trader margin in between. That matters when the tender is decided on price.
Sea or air, to your door
Sea freight for planned work, air freight when the outage window is tight. Delivered to your workshop or site anywhere in South Africa.
How an order runs
- 1
Send the specification
Grade, standard, sizes and quantities, or the tender bill of materials and closing date.
- 2
Receive a firm quote
A price and lead time per line that drops straight into your submission.
- 3
Made and tested
Once you win and order, CSM Group manufactures and tests to the standard, with mill certificates.
- 4
Delivered to site
Shipped by sea or air and delivered to your door anywhere in South Africa.
Build your enquiry line
Fill in what you know. The line on the right is written in the format we quote from, ready to paste into an email with the rest of your BOM.
Email it with your full BOM to chris@stagemetals.co.za or call 082 317 7960.
Straight answers before you send the BOM
Special metals for Eskom and Sasol projects
How contractors and OEMs get line-by-line pricing for the special metals on a power station or petrochemical tender.
Where to buyASTM A179 tube in South Africa
What to send, and the sizes most often ordered for retubes.
CompareA179 vs A192 vs A214
Seamless exchanger, boiler and welded tube side by side.
Where to buyTitanium condenser tube in South Africa
B338, B861 and B862, and what to include in an enquiry.
CompareTitanium Grade 2 vs 7 vs 12
Which grade for cooling water, hot brine and chloride service.
Questions buyers ask
Stage Metals has supplied tube and special metals for 20 years. We are the exclusive South African reseller for CSM Group, and every order is tailored to the scope the job requires.
Who is Stage Metals?
A South African supplier of made-to-order heat exchanger tube and special metals, with 20 years in the industry. We are CSM Group’s exclusive reseller in South Africa and supply Sasol directly.
Do you hold stock?
No. Every order is manufactured by CSM Group to your specification, so you get the exact grade, size and length the job needs, never the nearest stock item.
Can you price a whole tender bill of materials?
Yes. Send the BOM as it stands and we return a price and lead time for every line we can supply, ready for your submission.
How is material delivered?
By sea freight as standard, or air freight when the deadline needs it, and delivered to your door anywhere in South Africa.
Which standards can you supply to?
ASTM/ASME, EN, DIN, JIS, GOST, AMS and GB, including titanium Grades 1, 2, 3, 7, 9, 12 and 16, nickel alloys, and austenitic and duplex stainless steels.
Who is CSM Group?
A specialist manufacturer of carbon steel, titanium, nickel alloy and stainless steel tube and special metals in China. Stage Metals is its only reseller in South Africa.