Cast iron achv-1

Designation

Name The value
Designation GOST Cyrillic АЧВ-1
Designation GOST Latin AChB-1
Transliteration AChV-1
By chemical elements -

Description

Cast iron achv-1 is used: for the production of castings, working in friction with increased peripheral speeds in the pair with tempered or normalized shaft.

Note

High strength antifriction cast iron with nodular graphite.

Standards

Name Code Standards
Cast iron В11 GOST 1585-85

Chemical composition

Standard C S P Mn Si Fe Cu Mg
GOST 1585-85 2.8-3.5 ≤0.03 ≤0.2 0.6-1.2 1.8-2.7 Rest ≤0.7 0.03-0.08
Fe is the basis.

Technological properties

Name The value
Microstructure Perlite or pearlitic-ferritic. Graphite: a form - ШГф2, ШГф4, ШГф5; size - ШГД15 - ШГД180; distribution - ПГр1 - ПГр3. Perlite: footprint - П96-P45; dispersion - ПД0,3 - ПД1,0. Fosfina the eutectic (nature of distribution) - ФЭр1, ФЭр2. Cementite is not more than 5%.
Operating conditions The use of castings made of cast iron notificationname in friction requires careful installation, providing the pair of the friction surfaces and the absence of bias; continuous lubrication, permitting true and significant heating of the friction units; increase of the gap compared to the established bronze 15-30%, in the presence of significant heating osetreni in the work - up to 50%; running at idle and progressively higher loads. At a pressure P≤1.5 MPa sliding speed V must be ≤10.0 m/s and the product P·V ≤ 12,0 MPa·m/s At a pressure of P≤20.0 MPa sliding speed V must be ≤1.0 m/s and the product P·V ≤ 20.0 MPa·m/s.