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ALLOY ENGINEERING STEEL

EN18 / 41Cr4 (530M40) equivalents, chemistry & properties.

EN18 / 41Cr4 (530M40) is a alloy engineering steel used for gears, crankshafts, heavier shafts. Below are its equivalent designations in nine standards, chemical composition, mechanical properties and density.

EN18 / 41Cr4 (530M40) equivalent grades

India (IS)
40Cr4 (nearest; IS 1570)
USA (ASTM / AISI / SAE)
AISI/SAE 5140 (nearest)
Europe (EN)
41Cr4
Werkstoff No. (W.Nr)
1.7035
UK (BS)
530M40 / EN18 (nearest)
Japan (JIS)
SCr440 (nearest)
China (GB)
40Cr (nearest)
Russia (GOST)
40X (nearest)

Key data

Family
Alloy engineering steel
Density
7.85 g/cm³
Typical mechanical
Hardened and tempered; use condition and section-specific limits
Typical uses
Gears, crankshafts, heavier shafts
Weight
Calculate weight in EN18 / 41Cr4 (530M40)

EN18 / 41Cr4 (530M40) chemical composition (weight %)

EN ISO 683-2 41Cr4 / 1.7035 (+QT round bar)

CSiMnPSCrCu
0.38–0.450.1–0.40.6–0.9≤0.025≤0.0350.9–1.2≤0.4

Grades similar to EN18 / 41Cr4 (530M40)

Frequently asked questions

What is the equivalent of EN18 / 41Cr4 (530M40)?

EN18 / 41Cr4 (530M40) equivalents: India (IS) 40Cr4 (nearest; IS 1570); USA (ASTM / AISI / SAE) AISI/SAE 5140 (nearest); Europe (EN) 41Cr4; Werkstoff No. (W.Nr) 1.7035; UK (BS) 530M40 / EN18 (nearest); Japan (JIS) SCr440 (nearest); China (GB) 40Cr (nearest); Russia (GOST) 40X (nearest). Equivalents are close but not always identical; check the standard on your order.

What is the chemical composition of EN18 / 41Cr4 (530M40)?

EN18 / 41Cr4 (530M40) (EN ISO 683-2 41Cr4 / 1.7035 (+QT round bar)): C 0.38–0.45, Si 0.1–0.4, Mn 0.6–0.9, P ≤0.025, S ≤0.035, Cr 0.9–1.2, Cu ≤0.4 (weight %).

What is the density of EN18 / 41Cr4 (530M40)?

About 7.85 g/cm³ (7,850 kg/m³), the value used for weight calculations.

Need EN18 / 41Cr4 (530M40)?

Steel Impex India, Mumbai, supplies EN18 / 41Cr4 (530M40) in pipes, plates, sheets, bars and fittings as available, with mill test certificates. Send the grade, standard, size and quantity.