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EN9 Carbon Steel Bars (070M55)
Alloy & Engineering Steels · Dossier

EN9 Carbon Steel Bars (070M55)

BS 070M55 · AISI 1055 · DIN C55 (1.0535) · JIS S55C · IS 55C8

EN9 Carbon Steel Bars (070M55) in ready stock at our Madurai godowns, normalised / hardened & tempered, Ø 16–250 mm. Band-saw cut to your sizes with mill test certificates on request.

Tensile700–850 MPa
Hardness201–255 HB
RangeØ 16–250 mm
Limited

I. Sizes & weights

Nominal weights at 7.85 g/cm³ · Ø 16–250 mm
Ø mmkg / metrekg / 6 m bar
161.589.47
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

II. Chemical composition (% by weight)

ElementCSiMnSP
Min0.500.050.50––
Max0.600.350.900.0500.050

Typical standard ranges. Every mill lot ships with its own test certificate on request.

III. Mechanical properties

Tensile
700–850 MPa
Yield
430 MPa min
Hardness
201–255 HB
Elongation
14% min

IV. Supply condition

Condition
Normalised / hardened & tempered
Machinability
Fair
Forms
round, flat
Cutting
Band saw ±1 mm
SKU
SST-AES-03

V. Weigh it, then request it.

Locked to EN9
Shape
Material

EN9 · 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

Sprockets, cams, rolls, wear plates

Questions

About EN9

Can you cut EN9 to my sizes?

Yes. EN9 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 EN9?

An MTC is supplied with mill material on request, traceable to the heat number.

What sizes are in stock?

Ø 16–250 mm. For large tonnage, message us to reserve material.

What are the equivalents of EN9?

BS 070M55, AISI 1055, DIN C55 (1.0535), JIS S55C, IS 55C8. Equivalents are close matches; confirm against your drawing's specification.

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