Ningbo Supreme Machinery Co., Ltd is a professional gray iron and ductile Iron casting manufacturer and supplier in China. The cast iron mounting bracket is made of ductile cast iron GJS-400-15. Supreme machinery uses resin sand casting process. Normally, wear resistant castings and high strength forgings are very common in construction machinery. They help machines to build facilities, transport materials, landfill, and maintain roads. Construction Machinery Parts are mainly including as per following products:
Track Links |
Clamping |
Lifting Eyes |
Quick Joint |
Bearing Covers |
Sprockets |
Tooth Blocks |
Side Plates |
Track shoes |
Beam connectors |
Mounting Brackets |
Trencher Tooth |
Bucket Teeth |
Coupling |
Product Details
Item Name |
Cast Iron Mounting Bracket |
Casting Type |
Ductile Iron Casting |
Production Process |
Sand Casting / Clay Sand Casting / Green Sand Casting/ Resin Sand Casting |
Casting Manufacturer |
Supreme Machinery Co.,Ltd |
Quality Control |
Spectrum Analyzer, Three-Coordinate Detector, Metallographic Analyzer, Tensile Testing Machinery |
Standards |
ASTM A48, ISO 185, DIN 1691, EN 1561, JIS G5501, UNI 5007, NF A32-101, BS 1452, IS 210, |
Material Grade |
GJS-400-15 |
Application |
Construction Machinery |
Machining Tolerance |
0.01-0.05 |
Inspection Method |
visual, dimensional, X-ray inspection |
Material Features
EN-GJS-400-15 ductile iron is a very common material in European standard DIN EN 1563.
It is equal to GGG40 in DIN 1693, QT400-15 in China, A536 60-40-18 in USA ASTM
Chemical Component
DIN EN 1563 |
ISO |
C % |
Si % |
Mn % |
P % |
S % |
EN-GJS-400-15 |
400-15 |
2.5-3.8 |
0.5-2.5 |
0.2-0.5 |
≤0.08 |
≤0.02 |
Properties of EN-GJS-400-15
Tensile strength ≥ 400 Mpa.
Yield strength ≥ 250 Mpa.
Elongation ≥ 15%.
No impact requirement.
Hardness ofEN-GJS-400-15
The hardness of this ductile cast iron grade is between 130-180 Brinell hardness.
Density ofEN-GJS-400-15
The density of this ductile iron grade is about 7.3 g/cubic centimeter, or 7.3 kg/liter.
Production Process
We have updated our production line for making cast iron mounting bracket. Our production process include resin sand molding line, shell molding line, green sand casting and lost wax investment casting production process.
Machining Workshop
We have full set line of machining facilities, various CNC equipment and Machining Center can meet customers’ requirements.After machining, the casting parts will be completed. Then, they will be inspected and packed for delivery and shipment.
Quality Control
Checking the raw material after they reach our factory------- Incoming quality control
Checking the details before the production line operated
Have full inspection and routing inspection during mass production---In process quality control
Checking the goods after they are finished---- Final quality control
Checking the goods after they are finished-----Outgoing quality control
Packing and Delivery
Packaging ofcast iron mounting bracketcan be customized based on customer requirements to meet the different needs, such as plastic bag, cartonbox, wooden case, crate, etc.