Description
We are professional Paper Machine Roll Heads shaft heads ，paper making machine PRESS ROLL HEAD manufacturer from china
We could make forged, heat treatment and final machined Paper Machine Roll Heads as per clients drawing
Following is normal material grade that used in Forged steel Paper Machine Roll Heads
We have following inspection equipment to inspect of all our Forged steel Paper Machine Roll Heads
a well equipped chemical lab which carries out test analysis on the steel heats made in the steel mill
ALl our finished producrtion of Paper Machine Roll Heads should have inspection certificate as per 3.1B of EN 10204 shall be provided to clients in triplicate;this certificate must contain the following dala:
AISI 1045, AISI 4140, AISI 4340,, 42CrMo4, 25CrMo4, 34CrNiMo6, 17CrNiMo6-4 34CrMo4, 30CrNiMo8, 36CrNiMo4, 40NiCrMo7, 41CrALMo7, 30NiCrMo12,18CrMos4, 18CrNiMo7-6, 17CrNiMo6,, St52-3, S355j2g3, 50CrMo4, 39NiCrMo3
a well equipped lab which carries out mechanical tensile & resilience tests as well as creep tests
a metallurgic lab for structural macro-micro and inclusion micro metallurgic examinations, according to ISO 17025
non destructive UT/MP/LP tests carried out by experienced and qualified SNT-TA-1A operators
fixed and portable Brinell/3000/10 hardness check equipment
dedicated and certified equipment for dimensional controls.
(a)Material code no and P.O.number
(b)Material designation
(c)Heat no.,heat analysis and melting methods
(d)Table with the single results for determination pf the purity grade at microsections and value of purity grade K1
(e)Mechanical test results including hardness range
(f)Complete information on all heat treatments performed
(g)Results of NDT tests performed
(h)Confimation of material identification check
(i)Confirmation of dimensional and visual check
