Questions & Answers
Brands of surfacing powder
Surfacing powders are produced in the following grades: Cr3C2-NiCr, WC-Ni, WC-Co, PR-V3K, PR-Kh12, PR-V3K, PR-N70Kh17S4R4, PR-N80Kh13, PG-KhN80SR, PG-SR5, PG-SR4, PG-SR3, PG-SR2.
Welding powder standards
GOST standards:
GOST 25501-82 - Test methods for metal powders;
GOST 29298-2005 - Technical specifications for surfacing powders;
GOST 25276-82 - Methods for determining the bulk density of metal powders;
GOST 26101-84 - Methods for determining flowability;
GOST 9849-86 - Methods for determining particle size distribution.
Table of weights of surfacing powders
| Powder volume | Average weight of iron powder | Average weight of nickel powder | Average weight of cobalt powder |
| 1 l | 3,5 kg | 4,8 kg | 5,2 kg |
| 5 l | 17,5 kg | 24 kg | 26 kg |
| 10 l | 35 kg | 48 kg | 52 kg |
| 20 l | 70 kg | 96 kg | 104 kg |
| 50 l | 175 kg | 240 kg | 260 kg |