High chrome grate bar 1.superior noise suppression 2.corrosion resistance 3.low thermal expansion rate 4.Wear-resist
High chrome grate barThe materials of the grate bar include:
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 |
Physical Characteristic
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 |
we can produce it accoring to your drawing.
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. |
grate bar
