EN8 Steel Round Bars (080M40)
BS 080M40 · AISI 1040 · DIN C40 (1.0511) · JIS S40C · IS 40C8
EN8 Steel Round Bars (080M40) in ready stock at our Madurai godowns, normalised / r condition, Ø 10–400 mm. Band-saw cut to your sizes with mill test certificates on request.
I. Sizes & weights
Nominal weights at 7.85 g/cm³ · Ø 10–400 mm| Ø mm | kg / metre | kg / 6 m bar | |
|---|---|---|---|
| 10 | 0.62 | 3.70 | |
| 12 | 0.89 | 5.33 | |
| 16 | 1.58 | 9.47 | |
| 20 | 2.47 | 14.8 | |
| 25 | 3.85 | 23.1 | |
| 32 | 6.31 | 37.9 | |
| 40 | 9.86 | 59.2 | |
| 50 | 15.4 | 92.5 | |
| 63 | 24.5 | 146.8 | |
| 80 | 39.5 | 236.8 | |
| 100 | 61.7 | 369.9 | |
| 125 | 96.3 | 578.0 | |
| 160 | 157.8 | 947.0 | |
| 200 | 246.6 | 1,479.7 | |
| 250 | 385.3 | 2,312.0 | |
| 300 | 554.9 | 3,329.3 | |
| 350 | 755.3 | 4,531.6 | |
| 400 | 986.5 | 5,918.8 |
II. Chemical composition (% by weight)
| Element | C | Si | Mn | S | P |
|---|---|---|---|---|---|
| Min | 0.36 | 0.10 | 0.60 | – | – |
| Max | 0.44 | 0.40 | 1.00 | 0.050 | 0.050 |
Typical standard ranges. Every mill lot ships with its own test certificate on request.
III. Mechanical properties
- Tensile
- 700–850 MPa
- Yield
- 465 MPa min
- Hardness
- 201–255 HB
- Elongation
- 16% min
IV. Supply condition
- Condition
- Normalised / R condition
- Machinability
- Good
- Forms
- round, flat
- Cutting
- Band saw ±1 mm
- SKU
- SST-AES-01
V. Weigh it, then request it.
Locked to EN8EN8 · 7.85 g/cm³
W = π × D² × L × ρ ÷ 4,000,000 · ρ = 7.85 g/cm³ · rounded to 0.1 kg. Theoretical weight; actual mill weight can vary by ±2–3%.
Shafts, axles, studs, bolts, gears
About EN8
Can you cut EN8 to my sizes?
Yes. EN8 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 EN8?
An MTC is supplied with mill material on request, traceable to the heat number.
What sizes are in stock?
Ø 10–400 mm. For large tonnage, message us to reserve material.
What are the equivalents of EN8?
BS 080M40, AISI 1040, DIN C40 (1.0511), JIS S40C, IS 40C8. Equivalents are close matches; confirm against your drawing's specification.
