We urgently require the following two materials:
>
> 1- Chemical Composition
> 70%Ni, 30% Cr, 3% A1
>
> Properties
> Non Magnetic, Corrosion resistant alloy, get after heat hardening and
> dispersion hardening: σ0.005 ≥800 MPa, δ ≥10% HRC
> 28….35. Linear expansion
> coefficient (1.e.c.) α =13x10-6 1/°C
>
> Blank Size (mm)
> Dia=21
>
> Material Grade
> High temperature Nickel-Chromium Alloys
>
> Commercial Trade Mark
> NIMONIC* Alloy 81 ( High-Temperature Alloy)
>
> 2- Chemical Composition
> 46%Ni, 5% Cr, 2.8% Ti, 1.5% Al, 0.8% Mo, the rest :Fe
>
> Properties
> Cold-extruded bars of high quality, get after dispersion
hardening (d.h.):
> ▞.005? MPa, σB? MPa;E=180000-190000 MPa,
> HRC 45 …50
> Frequently temperature coefficient in range from
> 60 to +100篊
> (0-10)x 10-6 1/k,
> Linear expansion coefficient α=8 x 10-6 1/篊
>
> Blank Size (mm)
> Dia= 16 & 18
>
> Material Grade
> UNS N09902, SAE
> AMS5210, 5221, 5223, 5225,
> BS 3127/9 DIN 2.4486:
> 46% Ni, 6% Cr, rest=Fe
>
> Commercial Trade Mark
> CARPENTER LOW EXPANSION 43-PH (Precipitation Harden able Iron/Nickel
> Constant Modulas Alloy)
>
> We request you to kindly let us know the availability of above materials,
its price and delivery period.

Muhammad Faisal-Manager Operations
> Company: Nova Technologies, Islamabad-Pakistan
> Email: novatech@comsats.net.pk
> Telephone: 92-333-5467899
> Fax: 92-51-2110901
> Country/Region: Pakistan

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