FG 300 Grey Cast Iron FG 300 Machinable Bars
IS 210 FG 300 · EN-GJL-300 (GG30) · ASTM A48 Class 45
Grey Cast Iron FG 300 Machinable Bars in ready stock at our Madurai godowns, continuous cast, Ø 25–300 mm. Band-saw cut to your sizes with mill test certificates on request.
I. Sizes & weights
Nominal weights at 7.2 g/cm³ · Ø 25–300 mm| Ø mm | kg / metre | kg / 6 m bar | |
|---|---|---|---|
| 25 | 3.53 | 21.2 | |
| 32 | 5.79 | 34.7 | |
| 40 | 9.05 | 54.3 | |
| 50 | 14.1 | 84.8 | |
| 63 | 22.4 | 134.7 | |
| 80 | 36.2 | 217.1 | |
| 100 | 56.5 | 339.3 | |
| 125 | 88.4 | 530.1 | |
| 160 | 144.8 | 868.6 | |
| 200 | 226.2 | 1,357.2 | |
| 250 | 353.4 | 2,120.6 | |
| 300 | 508.9 | 3,053.6 |
II. Chemical composition (% by weight)
| Element | C | Si | Mn | S | P |
|---|---|---|---|---|---|
| Min | 3.00 | 1.50 | 0.60 | – | – |
| Max | 3.30 | 2.00 | 0.90 | 0.12 | 0.15 |
Typical standard ranges. Every mill lot ships with its own test certificate on request.
III. Mechanical properties
- Tensile
- 300 MPa min
- Hardness
- 200–260 HB
- Damping
- Good
- Graphite
- Flake
IV. Supply condition
- Condition
- Continuous cast
- Machinability
- Very good
- Forms
- round, flat
- Cutting
- Band saw ±1 mm
- SKU
- SST-CI-03
V. Weigh it, then request it.
Locked to FG 300FG 300 · 7.2 g/cm³
W = π × D² × L × ρ ÷ 4,000,000 · ρ = 7.2 g/cm³ · rounded to 0.1 kg. Theoretical weight; actual mill weight can vary by ±2–3%.
Cylinder liners, valve bodies
About FG 300
Can you cut FG 300 to my sizes?
Yes. FG 300 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 FG 300?
An MTC is supplied with mill material on request, traceable to the heat number.
What sizes are in stock?
Ø 25–300 mm. For large tonnage, message us to reserve material.
What are the equivalents of FG 300?
IS 210 FG 300, EN-GJL-300 (GG30), ASTM A48 Class 45. Equivalents are close matches; confirm against your drawing's specification.