fire grate elements for boiler

Chemical composition

C

Si

Mn

P

S

Cr

Ni

Content

1.0~1.6

≤1.50

≤1.20

≤0.05

≤0.05

23~28

0.6~1.2

Mechanical index

Standard requirement

Mechanical index

Standard requirement

Mechanical index

Standard requirement

Tensile strength

(kgf/mm2)

Min 50

Impact energy

Aku, kgf.m/cm2

Min0.25

Shore hardness

Min 40

OEM casting

According to the customer’s drawing and requirements

Course of production

Model making→Molding/Core→Mold assembling→Melting→Pouring→Opening→Finishing→Heat treatment→Non-destructive→Inspection→Welding→Test

Standard

GB/1135.2-89

Authentication Conditions

Have passed ISO9001:2008 certification

Casting process

Sodium silicate sand,  Resin sand

Our Material

Plain carbon steel, Low alloy steel, High manganese steel, High chromium cast iron(No more than 35 tons)

Casting Products

mud/ slurry pump castings (low alloy steel/ high chromium cast iron ),low-alloyed steel tube mould steel castings,engineering machinery steel castings,colliery/ mining/ building materials /machinery steel castings,die casting machine steel castings,chonghuagong machinery steel castings,wind / electric equipment steel castings and so on.

Inspection

Equipment

German direct-reading spectrometer, Ultrasonic detectors, HX-MIAS, Leeb hardness tester, Testing center, Large processing equipment etc.

Production Equipment

Two 8T-EAFs, 20T-finery, Shot blasting room, Carbon arc gouging welding,

Two trolley type resistance furnaces, 300m³ heat treatment pool etc.

Surface treatment

Anti-rust oil, powder coating, epoxy spray coating, anodic oxidation treatment, plating or as per requirements

Packaging

Wooden case, crate, parcel, bale, package, barrel, etc.