Master alloy A118/C for 18CK, Champagne gold
Product code/SKU: IE0609
Availability - on request - price may change
Price:
€435.35 VAT excl.
€535.48 VAT incl.
   pcs.
CONTACT IN ENGLISH:+48 34 360 23 79
VAT UE 0%
CREDIT CARD PAYMENT
family businessPOLISH FAMILY BUSINESS
Product description
A 118/C

Sample of prepared 18K yellow gold alloy per 1,000 g

Fine gold 999,9

751 g

+ Master alloy

249 g A118/ C

Colour

Champagner

 Further information

Order-No.

2630100408

Designation

A118/ C, for 18K

 Technical data

Melting range

880°C - 850°C

Density

15,2 g/cm³

Hardness

as cast: 140 HV
soft: 130 HV
70% reduction: 240 HV

Application

jewellery casting and continuous casting as sheet, wire, tube

 Processing

Casting

suitable for vacuum casting and centrifugal casting as well as for continuous casting of tube, strip and wire

Casting temperature

1040°C - 1080°C

Flask temp.

620°C - 640°C

Investment

plaster bonded

Quenching

in 80°C hot water after 20 - 25 minutes

Working

Material can be deformed max. 70%, then it must be annealed. Only roll a little at a time. Roll the same thickness several times if necessary.

 Heat treatment

Annealing

650°C / 30 min, and then quench in hot water

Hardening

400°C - 440°C / 60 min, slow cool in air

Brazing

WIELAND brazing alloys 1630H (810°C),
1631M (780°C), 1632W (750°C)

Flux

Fluoron

Pickling agent

sulphuric acid (H2SO4) 10 %

 
up
Sklep internetowy Shoper.pl