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42CrMo4 High Tensile Steel Bars
Alloy & Engineering Steels · Dossier

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.

Tensile900–1100 MPa (QT)
Hardness265–325 HB
RangeØ 20–400 mm
In stock

I. Sizes & weights

Nominal weights at 7.85 g/cm³ · Ø 20–400 mm
Ø mmkg / metrekg / 6 m bar
202.4714.8
253.8523.1
326.3137.9
409.8659.2
5015.492.5
6324.5146.8
8039.5236.8
10061.7369.9
12596.3578.0
160157.8947.0
200246.61,479.7
250385.32,312.0
300554.93,329.3
350755.34,531.6
400986.55,918.8

II. Chemical composition (% by weight)

ElementCSiMnCrMo
Min0.38–0.600.900.15
Max0.450.400.901.200.30

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 42CrMo4
Shape
Material

42CrMo4 · 7.85 g/cm³

Ø 80
78.9 kg19.7 kg each · 39.5 kg / m

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%.

Applications

Hydraulic rods, spindles, heavy bolts

Questions

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.

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