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MARTENSITIC STAINLESS

SS 440C equivalents, chemistry & properties.

Browse reference information for SS 440C, including related designations, composition, mechanical properties and density. Confirm the governing standard, product form and condition for your order.

SS 440C equivalent grades

USA (ASTM / AISI / SAE)
AISI 440C
UNS
S44004
Europe (EN)
X105CrMo17
Werkstoff No. (W.Nr)
1.4125
Japan (JIS)
SUS440C
China (GB)
108Cr17 (11Cr17)
Russia (GOST)
95X18 (nearest)

Key data

Family
Martensitic stainless
Density
7.65 g/cm³
Typical mechanical
Hardened to about 58–60 HRC
Typical uses
Bearings, valve seats, knives
Weight
Calculate weight in SS 440C

SS 440C chemical composition (weight %)

CSiMnPSCrMo
0.95–1.20≤1.00≤1.00≤0.040≤0.03016.0–18.0≤0.75

Grades similar to SS 440C

Frequently asked questions

What is the equivalent of SS 440C?

SS 440C equivalents: USA (ASTM / AISI / SAE) AISI 440C; UNS S44004; Europe (EN) X105CrMo17; Werkstoff No. (W.Nr) 1.4125; Japan (JIS) SUS440C; China (GB) 108Cr17 (11Cr17); Russia (GOST) 95X18 (nearest). Equivalents are close but not always identical; check the standard on your order.

What is the chemical composition of SS 440C?

SS 440C: C 0.95–1.20, Si ≤1.00, Mn ≤1.00, P ≤0.040, S ≤0.030, Cr 16.0–18.0, Mo ≤0.75 (weight %).

What is the density of SS 440C?

About 7.65 g/cm³ (7,650 kg/m³), the value used for weight calculations.

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Mill test certificate (EN 10204 3.1) supplied with material; third-party inspection on request.

Need SS 440C?

Steel Impex India, Mumbai, supplies SS 440C in pipes, plates, sheets, bars and fittings as available. Send the grade, standard, size and quantity.