	US 12,202,076 B2
	Process for the production of crude solder
Valentin Casado, Berango (ES); Luis Martinez, Berango (ES); Bert Coletti, Achel (BE); Jan Dirk A. Goris, Beerse (BE); Yves De Visscher, Wechelderzande (BE); and Charles Geenen, Overpelt (BE)
Assigned to METALLO BELGIUM, Beerse (BE)
Appl. No. 16/491,952
Filed by METALLO BELGIUM, Beerse (BE)
PCT Filed Apr. 10, 2018, PCT No. PCT/EP2018/059117 § 371(c)(1), (2) Date Sep. 6, 2019, PCT Pub. No. WO2018/189154, PCT Pub. Date Oct. 18, 2018.
Claims priority of application No. 17165797 (EP), filed on Apr. 10, 2017.
Prior Publication US 2021/0205934 A1, Jul. 8, 2021
Int. Cl. B23K 35/362 (2006.01); B23K 35/26 (2006.01); B23K 103/08 (2006.01)

CPC B23K 35/262 (2013.01) [B23K 35/362 (2013.01); B23K 2103/08 (2018.08)]

23 Claims

1. A crude solder comprising, in addition to unavoidable impurities and relative to the total dry weight of the crude solder:

at least 9.5 wt % and at most 69 wt % of tin (Sn),

at least 25 wt % and less than 90 wt % of lead (Pb),

at least 80 wt % and at most 96 wt % of tin (Sn) and lead (Pb) together,

at least 3.5 wt % and at most 12 wt % of copper (Cu),

at least 0.15 wt % and at most 7 wt % of antimony (Sb),

at least 0.012 wt % and at most 1.5 wt % of bismuth (Bi),

at least 0.010 wt % and at most 1.1 wt % of sulphur(S),

at most 3 wt % of arsenic (As),

at most 0.10 wt % of Cr, Mn, V, Ti or W,

at most 2.8 wt % of nickel (Ni),

at most 0.7 wt % of zinc (Zn),

at least 0.0500 wt % and at most 7.5 wt % of iron (Fe),

at most 0.5 wt % of aluminium (Al).