ISO 185/JL/200 is an intermediate-tensile-strength gray cast iron that has a predominantly pearlitic matrix, and a tensile strength of 200–300 MPa (29–44 ksi) when determined on test pieces machined from separately cast, 30 mm (1.2 in.) diameter test bars. Compared with the lower strength gray cast iron grades, 185/JL/200 contains lower carbon and silicon contents, while still maintaining excellent thermal conductivity, damping capacity, and machinability. This datasheet provides information on composition, physical properties, tensile properties, compressive and bend strength as well as fatigue. It also includes information on casting and heat treating. Filing Code: CI-70. Producer or source: International Organization for Standardization.

CEN EN-GJL-200 is an intermediate-tensile-strength gray cast iron that has a predominantly pearlitic matrix, and a tensile strength of 200–300 MPa (29–44 ksi), when determined on test pieces machined from separately cast, 30 mm (1.2 in.) diameter test bars. Compared with the lower strength gray cast iron grades, CEN EN-GJL-200 contains lower carbon and silicon contents and exhibits superior wear properties, while still maintaining good thermal conductivity, good damping capacity, and good machinability. This datasheet provides information on composition, physical properties, tensile properties, and bend strength. It also includes information on casting, heat treating, and machining. Filing Code: CI-96. Producer or source: European Committee for Standardization (CEN).

Meehanite GE200 is an intermediate-tensile-strength gray cast iron that has a minimum tensile strength of 200 MPa (29 ksi), when determined on test pieces machined from separately cast, 30 mm (1.2 in.) diameter test bars. This material is generally used for smaller parts with wall thicknesses above 5 mm (3/16 in.). It has excellent fluidity, no tendency towards hard edges and a uniformly fine structure with small proportions of ferrite and is, therefore, readily machinable. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on casting, heat treating, machining, and joining. Filing Code: CI-87. Producer or source: Meehanite Metal Corporation.

ISO 185/JL/225 is an intermediate-tensile-strength gray cast iron that has a predominantly pearlitic matrix, and a tensile strength of 225–325 MPa (33-47 ksi), when determined on test pieces machined from separately cast, 30 mm (1.2 in.) diameter test bars. Compared with the lower strength gray cast iron grades, ISO 185/JL/225 contains lower carbon and silicon contents, while still maintaining excellent thermal conductivity, damping capacity, and machinability. This datasheet provides information on composition, physical properties, tensile properties, and compressive strength as well as fatigue. It also includes information on heat treating. Filing Code: CI-73. Producer or source: International Organization for Standardization (ISO).

ISO 185/JL/150 is an unalloyed low-tensile-strength gray cast iron that has high carbon and silicon contents, and thus the highest thermal conductivity and damping capacity. It is, therefore, useful in situations where high thermal conductivity, damping capacity, and machinability are important, but where tensile strength and hardness are not the crucial properties in service. The high carbon content of this material also imparts good lubricated bearing properties. This datasheet provides information on composition, physical properties, tensile properties, shear and bend strength as well as fatigue. It also includes information on casting, heat treating, and machining. Filing Code: CI-67. Producer or source: International Organization for Standardization.

ISO 185/JL/250 is an intermediate-tensile-strength gray cast iron that has a pearlitic matrix and a tensile strength of 250–350 MPa (36–51 ksi), when determined on test pieces machined from separately cast, 30 mm (1.2 in.) diameter test bars. Compared with the lower strength gray cast iron grades, ISO 185/JL/250 contains lower carbon and silicon contents and has superior wear resistance, while still maintaining good thermal conductivity, damping capacity, and machinability. This datasheet provides information on composition, physical properties, and tensile properties as well as fatigue. It also includes information on casting and heat treating. Filing Code: CI-76. Producer or source: ISO Central Secretariat.

ISO 185/JL/275 is an intermediate-tensile-strength gray cast iron that has a pearlitic matrix and a tensile strength of 275–375 MPa (40–54 ksi), when determined on test pieces machined from separately cast, 30 mm (1.2 in.) diameter test bars. Compared with the lower strength gray cast iron grades, ISO 185/JL/275 contains lower carbon and silicon contents, while still maintaining good thermal conductivity and damping capacity. Owing to its higher tensile strength and hardness, it exhibits superior wear properties. This datasheet provides information on composition, physical properties, elasticity, tensile properties, and bend strength as well as fatigue. It also includes information on casting and heat treating. Filing Code: CI-79. Producer or source: International Organization for Standardization.

ISO 185/JL/300 is a higher-tensile-strength gray cast iron that has a pearlitic matrix; it has a tensile strength of 300–400 MPa (44–58 ksi), when determined on test pieces machined from separately cast, 30 mm (1.2 in.) diameter test bars. It provides high strength while still maintaining good thermal conductivity compared with other types of cast iron. This grade approaches the maximum tensile strength attainable in gray cast iron. Applications therefore tend to be confined to those where thermal conductivity requirements in service preclude the use of one of the other higher-strength materials such as spheroidal graphite cast irons, which have inferior thermal properties. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on casting and heat treating. Filing Code: CI-82. Producer or source: International Organization for Standardization.

ISO 185/JL/350 is a higher-tensile-strength gray cast iron that has a pearlitic matrix, and a tensile strength of 350–450 MPa (51–65 ksi), when determined on test pieces machined from separately cast, 30 mm (1.2 in.) diameter test bars. It provides a combination of high strength while still maintaining good thermal conductivity compared with other types of cast iron. This grade approaches the maximum tensile strength attainable in gray cast iron. Applications therefore tend to be confined to those where thermal conductivity requirements in service preclude the use of one of the other higher-strength materials such as spheroidal graphite cast irons, which have inferior thermal properties. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on wear resistance as well as casting and heat treating. Filing Code: CI-85. Producer or source: International Organization for Standardization.

JSA FC350 is a higher-tensile-strength gray cast iron that has a pearlitic matrix, and a minimum tensile strength of 350 MPa (51 ksi), when determined on test pieces machined from separately cast, 30 mm (1.2 in.) diameter test bars. It provides high strength while still maintaining good thermal conductivity. This grade approaches the maximum tensile strength attainable in gray cast iron. Applications therefore tend to be confined to those where thermal conductivity requirements in service preclude the use of one of the other higher-strength materials such as spheroidal graphite cast irons, which have inferior thermal properties. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on casting, heat treating, and machining. Filing Code: CI-92. Producer or source: Japanese Standards Association (JSA).

JSA FC300 is a higher-tensile-strength gray cast iron that has a pearlitic matrix, and a minimum tensile strength of 300 MPa (44 ksi), when determined on test pieces machined from separately cast, 30 mm (1.2 in.) diameter test bars. The tensile strength of JSA FC300 approaches the maximum tensile strength attainable in gray cast iron. It provides a combination of high strength while still maintaining good thermal conductivity. Applications, therefore, tend to be confined to those where thermal conductivity requirements in service preclude the use of one of the other higher-strength materials such as spheroidal graphite cast irons, which have inferior thermal properties. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on casting and heat treating. Filing Code: CI-97. Producer or source: Japanese Standards Association (JSA).

Meehanite GD250 is an intermediate-tensile-strength, pearlitic gray cast iron grade that has a minimum tensile strength of 250 MPa (36 ksi), when determined on test pieces machined from separately cast, 30 mm (1.2 in.) diameter test bars. Owing to its good machinability it is suitable for mass produced parts for automobiles as well as for small hydraulic bodies that must be pressure tight. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on low and high temperature performance as well as casting, heat treating, machining, and joining. Filing Code: CI-81. Producer or source: Meehanite Metal Corporation.

CEN EN-GJL-150 (5.1200) is a low-tensile-strength gray cast iron that has a tensile strength of 150–250 MPa (22–36 ksi), when determined on test pieces machined from separately cast, 30 mm (1.2 in.) diameter test bars. It is useful in situations where high thermal conductivity, damping capacity, and machinability are important, but where tensile strength and hardness are not the crucial properties in service. The high carbon content of this material also imparts good lubricated bearing properties, provided that the environment does not include abrasive debris that can score and wear the soft matrix. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on casting and heat treating. Filing Code: CI-91. Producer or source: European Committee for Standardization.

Meehanite GE225 is an intermediate-tensile-strength gray cast iron that has a predominantly pearlitic matrix and a minimum tensile strength of 225 MPa (33 ksi), when determined on test pieces machined from separately cast, 30 mm (1.2 in.) diameter test bars. Compared with the lower strength gray cast iron grades, Meehanite GE225 contains lower carbon and silicon contents, while still maintaining excellent thermal conductivity, damping capacity and machinability. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on high temperature performance as well as casting, heat treating, machining, and joining. Filing Code: CI-84. Producer or source: Meehanite Metal Corporation.

Meehanite GC275 is a pearlitic gray cast iron that has a minimum tensile strength of 275 MPa (40 ksi) when determined on test pieces machined from separately cast, 30 mm (1.2 in.) diameter, test bars. This intermediate-tensile-strength grade has a fine, close-grained structure that is ideal for finishing cuts. It is used for a wide variety of applications on account of its useful combination of good all round properties with adaptability to production of small and large volumes. This datasheet provides information on physical properties, hardness, and tensile properties as well as fatigue. It also includes information on heat treating, machining, and joining. Filing Code: CI-78. Producer or source: Meehanite Metal Corporation.

Meehanite GA350 is a heat-treatable, pearlitic gray cast iron that exhibits high strength while still maintaining good thermal conductivity and good machinability. It is generally used for applications where the thermal conductivity requirements preclude the use of other higher-strength materials such as spheroidal graphite cast irons, which have inferior thermal properties. This datasheet provides information on physical properties, hardness, elasticity, and tensile properties as well as fatigue. It also includes information on high temperature performance as well as casting, heat treating, machining, and joining. Filing Code: CI-72. Producer or Source: Meehanite Metal Corporation.

Meehanite SFF350 is a ferritic ductile iron with a minimum tensile strength of 350 MPa (51 ksi) and a minimum elongation of 24%, when measured on test pieces machined from separately cast samples. It is specifically designed to provide good impact properties at low temperature. This fully ferritic Meehanite grade is produced from specially selected high purity raw materials and by subjecting the castings to an extended annealing heat treatment in order to fully develop the mechanical properties. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on heat treating and joinability. Filing Code: CI-90. Producer or source: Meehanite Metal Corporation.

Meehanite GB300 is a pearlitic gray cast iron that has a minimum tensile strength of 300 MPa (44 ksi), when determined on test pieces machined from separately cast, 30 mm (1.2 in.) diameter test bars. This grade exhibits high strength while still maintaining good thermal conductivity and good machinability. It is generally used for applications where the thermal conductivity requirements preclude the use of other higher-strength materials, such as spheroidal graphite cast irons, which have inferior thermal properties. This datasheet provides information on physical properties, hardness, tensile properties, and compressive strength as well as fatigue. It also includes information on low and high temperature performance as well as heat treating, machining, and joining. Filing Code: CI-75. Producer or source: Meehanite Metal Corporation.