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Rod, pipe, wire made of CuAl10Fe3Mn2

CuAl10Fe3Mn1

Alloy grade: tinless, pressure-treated bronze.

Industrial usage: manufacture of parts for cryogenic tools, chemical equipment.

Percentage composition according to GOST 18175−78

Element Content
Mn 1 — 2
Al 9 — 11
Zn <0,5
Pb <0,03
Sn <0,1
Si <0,1
Fe 2 — 4
P <0,01
Cu 82.3 — 88

Main properties

Coefficient of friction with lubricant = 0.012

Coefficient of friction without lubricant =0.21

Alloy hardness: HB 10 -1 = 125 — 140 MPа

Point of melting 1045°C

Mechanical characteristics of alloy at a temperature 20 °C.

Mill-products δ5 (%) σv (MPa) Size

KCU kJ/m2

ψ %
Hard alloy 9−12 600−700      
Soft alloy 20−30 400−500      

Physical characteristics of the alloy

R 10 9(Ohm-m)

r (kg/m3)

l (V/(m-Degree))

a 10 -6 (1/Degree)

E 10 -5 (MPa)

T (Degree)
      16,1   100
190 7500 80   1 20

Manganese optimizes technological properties. Nickel provides increasing of strength, heat resistance, corrosion resistance, recrystallization temperature. It also increases antifriction properties, resistance to low temperatures. In order to improve strength characteristics, aluminium-iron bronze is exposed to age-hardening at a temperature of 250−300°С for 2−3 hours on completing thermohardening (t° 950 °C).

Description Identification Description Identification
— differential deposit at a process of the first crack appearing, % å — ultimate tensile strength (rupture strength), MPa σv
— maximum shear stress, ultimate torsional strength, MPa — elastic strength, MPa σ0,05
— ultimate bending strength, MPa σ bend — conventional yield limit, MPa σ0,2
— fatigue endurance limit during torsion test with symmetrical load cycle, MPa σ-1 — percentage elongation after rupture, % δ5,δ4,δ10
— fatigue endurance limit during torsion test with symmetrical load cycle, MPa J-1 — yield point (contraction), MPa σc 0,05
— amount of load cycling n — relative shear, % v
— specific electrical resistance, Ohm-m R and ρ — short ultimate tensile strength, MPa sv
— standard module of elasticity HPa E Contraction ratio [ % ] ψ
— properties getting temperature, Degree T — impact hardness, which is established on specimens with concentrators in accordance with V and U types, J/cm2 KCU and KCV
— heating capacity of alloy (heat conduction coefficient), V/(m°С) l — permanent change of form — yield point (proportionality), MPa sT
— specific heat of alloy (temperature range is 20°С), [J/(kgdeg)] C — Brinell hardness HB
— density, kg/m3 pn and r — Vicker’s hardness HV
— lineal thermal expansion coefficient (in a temperature range of 20°С), 1/°С a — Rockwell hardness C HRC
— long-time strength limit, MPa σtТ — Rockwell hardness B HRB
— module of elasticity at a process of torsional shear, HPa G — Shore hardness HSD

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CuAl10Fe3Mn2 pipe, wire supplier

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