Fig. 8 Small parts of malleable iron. (a) Nut made of pearlitic malleable iron, grade EN-GJMB-650-2, 600 g. The insert shows the core used for the as-cast internal screw thread. (b) Balancing weight made of ferritic malleable iron, grade EN-GJMB-350-10, 1500 g. The large picture shows More

Fig. 8 Small parts of malleable iron. (a) Nut made of pearlitic malleable iron, grade EN-GJMB-650-2, 600 g. The insert shows the core used for the as-cast internal screw thread. (b) Balancing weight made of ferritic malleable iron, grade EN-GJMB-350-10, 1500 g. The large picture shows More

Fig. 14 Stress-rupture plot for pearlitic malleable iron (a) and alloyed pearlitic malleable iron (b). The solid lines are curves determined by the method of least squares from the existing data. The dashed lines define the 90% symmetrical tolerance interval. The lower dashed curve defines More

Fig. 8 Structure of air-cooled pearlitic malleable iron. (a) Slowly air cooled. 400×. (b) Cooled in an air blast. 400× More

Fig. 11 Tensile properties of pearlitic malleable iron at various hardness levels. At foundry A, the iron was made by alloying with manganese, with completion of first-stage graphitization, air cooling under air blast from 938 °C (1720 °F), and subcritical tempering for spheroidizing. More

Fig. 3 Structure of air-cooled pearlitic malleable iron. Cooled in an air blast. Original magnification: 200× More

Fig. 5 Hardness and minimum yield strength of pearlitic malleable iron. Relationships of tempering time and temperature to hardness and minimum yield strength are given. More

Fig. 10 Wide range of pistons made in pearlitic malleable iron. Courtesy of Gieterij Doesburg, Netherlands More

Fig. 11 Various transmission parts made in oil-quenched pearlitic malleable iron. Most of the parts are induction hardened after machining. Courtesy of Gieterij Doesburg, Netherlands More

Fig. 18 Stress-rupture plot for (a) pearlitic malleable iron and (b) alloyed pearlitic malleable iron. The solid lines are curves determined by the method of least squares from the existing data. The dashed lines define the 90% symmetrical tolerance interval. The lower dashed curve defines More

Fig. 8 Pearlitic malleable iron microstructures etched in 2% nital. (a) Arrested anneal (first-stage graphitization), air quenched, and tempered, 212 HB. 750×. (b) Arrested anneal (first-stage graphitization), air quenched, reheated, oil quenched, and tempered, 255 HB. 750× More

Fig. 10 Room-temperature hardness of tempered pearlitic malleable iron produced by arrested annealing and by complete-ferritize or ferritic annealing and rehardening More

Fig. 7 Pearlitic malleable iron microstructures etched in 2% nital. (a) Arrested anneal (first-stage graphitization), air quenched, and tempered, 212 HBW. 750×. (b) Arrested anneal (first-stage graphitization), air quenched, reheated, oil quenched, and tempered, 255 HBW. 750× More

Fig. 9 Room-temperature hardness of tempered pearlitic malleable iron produced by arrested annealing and by complete-ferritize or ferritic annealing and reheating More

Fig. 16 Chain-drive sprocket made by welding a pearlitic malleable iron body to a low-carbon steel hub, using gas metal arc welding ( Example 7 ). Dimensions given in inches. Source: Ref 3 More

Fig. 7 Tensile properties of pearlitic malleable iron at various hardness levels. At foundry A, the iron was made by alloying with manganese, with completion of first-stage graphitization, air cooling under air blast from 938 °C (1720 °F), and subcritical tempering for spheroidizing. More

Fig. 10 Stress-rupture plots for (a) pearlitic malleable iron and (b) alloyed pearlitic malleable iron. The solid lines are curves determined by the method of least squares from the existing data. The dashed lines define the 90% symmetrical tolerance interval. The lower dashed curve defines More

Fig. 3 Structure of air-cooled pearlitic malleable iron. Cooled in an air blast. Original magnification: 200× More

Fig. 5 Hardness and minimum yield strength of pearlitic malleable iron. Relationships of tempering time and temperature to hardness and minimum yield strength are given. More

Fig. 10 Wide range of pistons made in pearlitic malleable iron. Courtesy of Gieterij Doesburg, Netherlands More