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Rod, wire, sheet, strip made of CuAl11Fe6Ni6


Grade analogue W. Nr. Aisi Uns En Order
BRAZHN11−6-6 Buy from stock, view availability

CuAl11Fe6Ni6 bronze

Industrial usage: antifriction equipment, sliding parts, worm screws, bushings, gears that are exploited at a temperature up to 250 °C.

Grade: tinless, pressure-treated bronze.

Percentage composition according to GOST 493−79

Identification Description
As ≤ 0,05
Cu 74 — 79.5
Pb ≤ 0,05
Sb ≤ 0,05
Zn ≤ 0,6
Sn ≤ 0,2
Si ≤ 0,2
Fe 5 — 6.5
Mn ≤ 0,5
P ≤ 0,1
Ni 5 — 6.5
Al 10.5 — 11.5

Nickel provides increasing of heat resistance, corrosion resistance, recrystallization temperature. It also increases antifriction properties, resistance to low temperatures. Manganese provides increasing of corrosion and technological properties.

Main properties:

Alloy hardness: HB 10 -1 = 250 MPа

Mechanical properties of CuAl11Fe6Ni6 bronze (t° 20°С)

Range of sizes δ5 (%) Size σv (MPa) ψ % KCU kJ/m2
Chill-casting 2   587    
Sand-mold casting 2   587    

In order to improve strength characteristics bronze, it is exposed to thermohardening (t° 950 °C) and age-hardening at a temperature of 250−300°С for 2−3 hours.

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 bending 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, Ohmm 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/(kg-deg)] C — Brinell hardness HB
— density, kg/m3 pn and r — Vicker’s hardness HV
— linear 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

CuAl11Fe6Ni6 mill-products supplier

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