
IS 1239 MS ERW Black Pipes
IS 1239 Part 1 · IS 3589 · ASTM A53 Type E · BS 1387
MS ERW Black Pipes in ready stock at our Madurai godowns, electric resistance welded, black, 15–300 mm NB · light / medium / heavy. Band-saw cut to your sizes with mill test certificates on request.
I. Sizes & weights
Nominal weights at 7.85 g/cm³ · 15–300 mm NB · light / medium / heavy| NB · OD × WT mm | kg / metre | kg / 6 m | |
|---|---|---|---|
| ½″ · 21.3 × 2.6 | 1.20 | 7.19 | |
| ¾″ · 26.9 × 2.6 | 1.56 | 9.35 | |
| 1″ · 33.7 × 3.2 | 2.41 | 14.4 | |
| 1½″ · 48.3 × 3.2 | 3.56 | 21.4 | |
| 2″ · 60.3 × 3.6 | 5.03 | 30.2 | |
| 3″ · 88.9 × 4 | 8.38 | 50.3 | |
| 4″ · 114.3 × 4.5 | 12.2 | 73.1 | |
| 6″ · 168.3 × 5.4 | 21.7 | 130.2 | |
| 8″ · 219.1 × 6.3 | 33.1 | 198.4 |
II. Chemical composition (% by weight)
| Element | C | Mn | S | P |
|---|---|---|---|---|
| Min | – | – | – | – |
| Max | 0.20 | 1.30 | 0.040 | 0.040 |
Typical standard ranges. Every mill lot ships with its own test certificate on request.
III. Mechanical properties
- Tensile
- 330–450 MPa
- Yield
- 195 MPa min
- Elongation
- 20% min
- Test
- Hydro tested
IV. Supply condition
- Condition
- Electric resistance welded, black
- Machinability
- Good
- Forms
- tube
- Cutting
- Band saw ±1 mm
- SKU
- SST-MSS-13
V. Weigh it, then request it.
Locked to IS 1239IS 1239 · 7.85 g/cm³
W = π × (OD − WT) × WT × L × ρ ÷ 1,000,000 (with an inside diameter, WT = (OD − ID) ÷ 2) · ρ = 7.85 g/cm³ · rounded to 0.1 kg. Theoretical weight; actual mill weight can vary by ±2–3%.
Water lines, structures, scaffolding, fencing
About IS 1239
Can you cut IS 1239 to my sizes?
Yes. IS 1239 is band-saw cut to ±1 mm. Send piece sizes and quantities with your request; cutting is quoted with the material.
Is a mill test certificate provided with IS 1239?
An MTC is supplied with mill material on request, traceable to the heat number.
What sizes are in stock?
15–300 mm NB · light / medium / heavy. For large tonnage, message us to reserve material.
What are the equivalents of IS 1239?
IS 1239 Part 1, IS 3589, ASTM A53 Type E, BS 1387. Equivalents are close matches; confirm against your drawing's specification.



