Valve na shaft Surfacing Welding Electrodes D507

Ngwa:

A na-eji ya maka cladding shafts na valves nke carbon steel ma ọ bụ alloy ígwè nke elu okpomọkụ dị n'okpuru 450 °C..

ÀJÀ:

D507 bụ electrode dị n'elu nke nwere mkpuchi sodium dị ala.

Igwe dị n'elu bụ 1Cr13 ọkara ferrite chromium dị elu.

Okpokoro siri ike nwere njirimara nke ikuku ikuku, n'ozuzu ọ dịghị mkpa ọgwụgwọ okpomọkụ,

na isi ike ya bụ otu, ọ nwekwara ike na-eme ka ọ dị nro n'ogo nke 750 ° C -800 ° C.

Ebumnuche abụọ, usoro ịgbado ọkụ dị mma.Na-ekpo ọkụ ruo 900-1000 Celsius, enwere ike imeghachi ya mgbe ikuku jụrụ oyi ma ọ bụ mmanụ menyụọ.

Njikọ azụ DC dị.

Ọkwa ịgbado ọkụ:PA, PB

NKWUKWU Nkwụnye ego (Akara Ọbara):%

HRC:41

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