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Gray iron castings
Gray cast iron is a relatively inexpensive cast iron material with good casting properties and machining performance. It is widely used in various mechanical parts such as frames, boxes, and shells. The graphite inside gray cast iron is distributed in flakes. Graphite is prone to stress concentration, so gray cast iron has low strength, plasticity and toughness, but has excellent shock absorption, low notch sensitivity and wear resistance.
Process
  • Green sand process—for small and medium size parts with low dimension requirement. (CT11-CT14, 0.2-200kg).
  • Resin sand process—for medium and large size parts with high dimension requirement. (CT10-CT11, 100kg-3000kg).
  • Shell molding process— for small and medium size parts with stirct dimension requirement. (CT7-CT9, ≤50kg).
  • Lost foam process—for small and medium size parts with complex structure. (CT7-CT9, ≤100kg).
  • Vacuum process — for medium and large parts with great surface roughness. (CT7-CT9, ≤10000kg).
Material standard

ISO185

185/JL/150, 185/JL/200, 185/JL/225, 185/JL/250, 185/JL/275, 185/JL/300

GB/T 9439

HT150, HT200, HT225, HT250, HT275, HT300

EN 1561

EN-GJL-150, EN-GJL-200, EN-GJL-250, EN-GJL-300

DIN 1691

GG-15, GG-20, GG-25, GG-30

BS 1452

150, 180, 200, 220, 250, 300

JIS G5501

FC150, FC200, FC250, FC300

ASTM A48

No.20, No.25, No30, No.35, No.40, No.45, N0.50

Typical products and applications:
♦ Municipal products
♦ Mechanical parts
♦ Agricultural machinery
♦ Architecture
♦ Energy field
♦ Cookware
For more inquiries or technical questions, please contact the Jianheng Metal Service Team. We will provide the most reasonable technical solution and the best quotation according to your product.
Products
  • Gray iron
  • Ductile iron
  • Chrome iron
  • Aluminium
  • Carbon & alloy steel
  • Manganese steel
  • Heat resistant
  • Apron feeder pans
Contact details
+86 18771036713
Address
Room 401, Building 12-A, Huijin Center, Financial Port 4th Road 430200 Wuhan China
Wuhan Jianheng Metal Technology Co.,Ltd.
Room 401, Building 12-A, Huijin Center, Financial Port 4th Road 430200 Wuhan China
+86 18771036713

+86 176 8384 9968

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