Hubei Lianzhong Industrial Co.,Ltd.
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CUMMINS KTA19 QSK19 CYLINDER BLOCK DIESEL TRUCK ENGINE PARTS BUS ENGINE PARTS
1)GRAY CAST IRON ALLOYS:
Gray cast iron alloy have been the dominant metal that was used to manufacture conventional gas-powered engine blocks. Though extensive use of aluminum alloys has minimized the popularity of this material, it still finds wide use in diesel-fueled blocks, where the internal stresses are much higher. The use of cast iron blocks has been wide spread due to its low cost and good formability. Generally types of gray cast iron of pearlite microstructure is used in the manufacturing of engine block.
Gray cast iron alloys typically composition:
A typical cast iron is a gray cast iron, which contains 2.5-4 wt.% carbon, 1-3 wt.% silicon, 0.2-1.0 wt.% manganese, 0.02-0.25 wt.% sulfur, and 0.02-1.0 wt.% phosphorus [Anyalebechi, P.N.: “Essentials of Materials Science &Engineering,” January 2005, p. 94.]. and the balance (93.6%) iron. The carbon improves lubrication property of graphite, the silicon controls the formation of a laminated structure, called pearlite, which has good wear
resistance, and the manganese strengthens and toughens the iron structure. A common aluminium alloy composition is 11.5% silicon, 0.5% manganese, and 0.4% magnesium, with the balance (87.6%) aluminium. The high silicon content in this alloy reduces expansion but improves cast-ability, strength, and abrasion resistance, while the other two elements strengthen the aluminium structure. While this alloy provides a good corrosion resistance, it can absorb only moderate shock loads.
Types of cast iron used in engine block:
SAE grade G2500- used for small engine blocks.
SAE grade G3500-used for heavy and larger diesel engine blocks.
| Diesel Engine 1 | ISF2.8,ISF3.8,ISF4.5,ISX12,ISG11,ISG12 |
| 4BT,6BT,6CT,L8.9,ISBe,ISDe,ISLe,ISZ,QSB,QSC,QSL,QSZ... | |
| M11,ISM11,QSM11 | |
| N14,K19,K38,K60,NT855 | |
| Diesel Engine 2 | 1004,1006,1104,1106,4.236.3.152 |
| Diesel Engine 3 | BF4M2012-T3,BF4M1013-T3 |
| BF6M2012-T3,BF6M1013-T3,BFM8-T3,TCD2013L6-T3 | |
| TCD2012L4-T3,TCD2013L4-T3,TCD2012L6-T3. | |
| Dongfeng / DFSK | DFSK C37,C35,K01,V21,V22,V27... |
| Changan | M80,M90,Star 9, Star 4500... |
