Currency MDL
PP-Np-25 – NPF Elna (Proizvodstvo poroshkovoj provoloki dlya svarki i naplavki), OOO | all.biz
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PP-Np-25

PP-Np-25

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Price:
41.64 MDL
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Ukraine, Kiev
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18 years on Allbiz
Technical characteristics
  • ManufacturerOwn production
  • Country of manufactureUkraine
Description
Flux cored wire for building up PP-Np-25
PP-Np-25

TUU28.7-21459234-021:2008

Diameter: 1,6-3,2 mm

Protection: self-protective, CO2, Ar + CO2

Design: tubular, with an overlap

 


СамозащитнаяпорошковаяпроволокамаркиПП-Нп-25 предназначенадлямеханизированнойнаплавкиоткрытойдугой, атакжевсредезащитныхгазовдеталейизуглеродистыхсталей, rabotayushchikhvusloviyakhtreniyametallaometall. Рекомендуетсядлянаплавкивнижнемположениинапостоянномтокеобратнойполярности.

 

Welding tekhnologicheskiyesvoystva
Forming of the deposited bead - good
Separability of a slag crust - good
Coefficient of building up, g/Ah - 10 - 16
Tendency of the built-up metal to flawing - moderate
Wire expense on 1 kg of the built-up metal, kg - 1,1 - 1,2
Hardness of the built-up metal - HRC 42-52
The recommended building up modes self-defense by a wire
Diameter of a wire, mm

Current, And

Tension, In

Speed of building up, m/h
1,6 - 1,8 150 - 240 24 - 28 10 - 15
2,0 - 2,2 180 - 280 25 - 28 15 - 20
2,4 - 2,6 220 - 340 25 - 28 20 - 25
2,8 - 3,0 250 - 380 26 - 29 20 - 25
3,2 300 - 400 26 - 29 20 - 25

 

Properties of the built-up metal

Wear resistance - high in the recommended conditions of service. Resistance to blows - moderate. Processing by the cutting tool is possible.

 

Technology features

Building up is made without preheating for parts with carbon content ≤ 0,25 C, at carbon content in base metal ≥ 0,25%, preheating of a part up to the temperature of 200 - 300 °C is made.

 

Application

Building up of parts of a running gear of track laying vehicles, axes, mounting faces of shaft, links of sintering machines, rollers of roller conveyers, automatic couplings of railway cars, etc.

 

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