
42CrMo4 High Tensile Steel Bars
DIN 42CrMo4 (1.7225) · AISI 4140 · BS 708M40 (EN19) · JIS SCM440 · IS 40Cr4Mo3
42CrMo4 High Tensile Steel Bars in ready stock at our Madurai godowns, quenched & tempered, Ø 20–400 mm. Band-saw cut to your sizes with mill test certificates on request.
I. Sizes & weights
Nominal weights at 7.85 g/cm³ · Ø 20–400 mm| Ø mm | kg / metre | kg / 6 m bar | |
|---|---|---|---|
| 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 | Cr | Mo |
|---|---|---|---|---|---|
| Min | 0.38 | – | 0.60 | 0.90 | 0.15 |
| Max | 0.45 | 0.40 | 0.90 | 1.20 | 0.30 |
Typical standard ranges. Every mill lot ships with its own test certificate on request.
III. Mechanical properties
- Tensile
- 900–1100 MPa (QT)
- Yield
- 650 MPa min
- Hardness
- 265–325 HB
- Elongation
- 12% min
IV. Supply condition
- Condition
- Quenched & tempered
- Machinability
- Fair
- Forms
- round
- Cutting
- Band saw ±1 mm
- SKU
- SST-AES-13
V. Weigh it, then request it.
Locked to 42CrMo442CrMo4 · 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%.
Hydraulic rods, spindles, heavy bolts
About 42CrMo4
Can you cut 42CrMo4 to my sizes?
Yes. 42CrMo4 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 42CrMo4?
An MTC is supplied with mill material on request, traceable to the heat number.
What sizes are in stock?
Ø 20–400 mm. For large tonnage, message us to reserve material.
What are the equivalents of 42CrMo4?
DIN 42CrMo4 (1.7225), AISI 4140, BS 708M40 (EN19), JIS SCM440, IS 40Cr4Mo3. Equivalents are close matches; confirm against your drawing's specification.
