SM1085

Red Brass Alloy

The SM1085 is a red brass alloy from Aurubis. View the full SM1085 datasheet below including key specifications.

SM1085 shares its datasheet with C230, whose page lists every part number it covers.

Official SM1085 datasheet (PDF) — the source this page was extracted from.

Manufacturer

SM1085 Key Specifications

Parameter	Value
Density	8.75 g/cm³
Composition	Cu 84.0-86.0%, Fe 0.05% max, Pb 0.05% max, Zn remainder
Melting Point	1027 °C (1880 °F)
Hardness (H02)	105 HV
Hardness (H10)	170 HV
Elongation (Soft)	45%
Modulus Of Elasticity	117 GPa
Tensile Strength (H02)	352-421 MPa
Tensile Strength (H04)	435-497 MPa
Tensile Strength (H06)	497-552 MPa
Tensile Strength (H08)	538-593 MPa
Tensile Strength (H10)	566-621 MPa
Electrical Conductivity	37 %IACS (22 MS/m)
Tensile Strength (Soft)	269-324 MPa
Applicable Specifications	ASTM B36, B694, B88
Yield Strength Rp0.2 (Soft)	90 MPa
Thermal Conductivity At 20°C	159 W/mK
Specific Heat Capacity At 20°C	0.38 kJ/kgK
Coefficient Of Thermal Expansion At 20°C	18.7 10^-6/K

SM1085 Overview

Part: C23000 (CuZn15) — Aurubis

Type: Red Brass Alloy

Description: Red Brass with a nominal composition of 85% copper and 15% zinc, offering excellent resistance to stress-corrosion cracking and dezincification, combined with good strength and ductility, widely used for deep-drawn articles.

Absolute Maximum Ratings:

Melting point: 1027 °C

Key Specs:

Composition: Cu 84.0-86.0%, Zn rem., Fe 0.05 max, Pb 0.05 max
Density: 8.75 g/cm³
Electrical conductivity: 22 MS/m (37 %IACS) at 20°C (soft condition)
Thermal conductivity: 159 W/mK at 20°C
Modulus of elasticity: 117 GPa
Tensile strength (Soft temper): 269-324 MPa
Yield strength (Soft temper): 90 MPa
Elongation (Soft temper): 45 %

Features:

Excellent resistance to stress-corrosion cracking
Excellent resistance to dezincification
Good strength and ductility
Excellent cold formability
Excellent soldering properties
Good gas shielded arc welding
Good butt welding

Applications:

Architectural metal-work
Weather-strip, ornamental trim
Electrical sockets and screw shells
Eyelets and fasteners
Pen and pencil caps and barrels
Fire extinguisher tanks
Cosmetic containers and rouge boxes
Name plates

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part Number	Manufacturer	Package
C230	Aurubis	—
PNA223	Aurubis	—

More datasheets

All Aurubis datasheets (3)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

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