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Japanese Industrial Standards Data – Aluminum alloy castings-OEM Casting and Forging

Japanese Industrial Standards Data – Aluminum alloy castings

A chart listing aluminum alloys for casting standardized by the Japanese Industrial Standards.

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Japanese Industrial Standards

JIS H 5202 : 2010

Aluminum alloy castings

Preface

The chart below is from the Japanese Industrial Standards for aluminum alloys for casting, and is based on the information contained in ISO 3522: Aluminium and aluminium alloys-Castings-Chemical composition and mechanical properties (4th revision) published in 2007. When making adjustments to align it with other international standards and the JIS H 5202 standard that has been in place for some time, no changes were made to the technical content of the parts/materials it pertains to. This standard applies to all aluminum alloys for casting standardized in JIS H 5202 and all types of aluminum alloys for casting standardized in ISO 3522 with the exception of materials for die casting. The material codes listed distinguish between the two.

Table 4 – Chemical CompositionUnit: %
Symbol
of type
Chemical composition
Cu Si Mg Zn Fe Mn Ni Ti Pb Sn Cr Al
AC1B 4.2 to 5.0 0.30 max. 0.15 to 0.35 0.10 max. 0.35 max. 0.10 max. 0.05 max. 0.05 to 0.35 0.05 max. 0.05 max. 0.05 max. Remainder
AC2A 3.0 to 4.5 4.0 to 6.0 0.25 max. 0.55 max. 0.8 max. 0.55 max. 0.30 max. 0.20 max. 0.15 max. 0.05 max. 0.15 max. Remainder
AC2B 2.0 to 4.0 5.0 to 7.0 0.50 max. 1.0 max. 1.0 max. 0.50 max. 0.35 max. 0.20 max. 0.20 max. 0.10 max. 0.20 max. Remainder
AC3A 0.25 max. 10.0 to 13.0 0.15 max. 0.30 max. 0.8 max. 0.35 max. 0.10 max. 0.20 max. 0.10 max. 0.10 max. 0.15 max. Remainder
AC4A 0.25 max. 8.0 to 10.0 0.30 to 0.6 0.25 max. 0.55 max. 0.30 to 0.6 0.10 max. 0.20 max. 0.10 max. 0.05 max. 0.15 max. Remainder

AC4Bnew window

2.0 to 4.0 7.0 to 10.0 0.50 max. 1.0 max. 1.0 max. 0.50 max. 0.35 max. 0.20 max. 0.20 max. 0.10 max. 0.20 max. Remainder

AC4Cnew window

0.20 max. 6.5 to 7.5 0.20 to 0.4 0.3 max. 0.5 max. 0.6 max. 0.05 max. 0.20 max. 0.05 max. 0.05 max. 0.05 max. Remainder

AC4CHnew window

a)

0.10 max. 6.5 to 7.5 0.25 to 0.45 0.10 max. 0.20 max. 0.10 max. 0.05 max. 0.20 max. 0.05 max. 0.05 max. 0.05 max. Remainder
AC4D 1.0 to 1.5 4.5 to 5.5 0.4 to 0.6 0.5 max. 0.6 max. 0.5 max. 0.3 max. 0.2 max. 0.1 max. 0.1 max. 0.05 max. Remainder
AC5A 3.5 to 4.5 0.7 max. 1.2 to 1.8 0.1 max. 0.7 max. 0.6 max. 1.7 to 2.3 0.2 max. 0.05 max. 0.05 max. 0.2 max. Remainder
AC7A 0.10 max. 0.20 max. 3.5 to 5.5 0.15 max. 0.30 max. 0.6 max. 0.05 max. 0.20 max. 0.05 max. 0.05 max. 0.15 max. Remainder
AC8A 0.8 to 1.3 11.0 to 13.0 0.7 to 1.3 0.15 max. 0.8 max. 0.15 max. 0.8 to 1.5 0.20 max. 0.05 max. 0.05 max. 0.10 max. Remainder
AC8B 2.0 to 4.0 8.5 to 10.5 0.50 to 1.5 0.50 max. 1.0 max. 0.50 max. 0.10 to 1.0 0.20 max. 0.10 max. 0.10 max. 0.10 max. Remainder
AC8C 2.0 to 4.0 8.5 to 10.5 0.50 to 1.5 0.50 max. 1.0 max. 0.50 max. 0.50 max. 0.20 max. 0.10 max. 0.10 max. 0.10 max. Remainder
AC9A 0.50 to 1.5 22 to 24 0.50 to 1.5 0.20 max. 0.8 max. 0.50 max. 0.50 to 1.5 0.20 max. 0.10 max. 0.10 max. 0.10 max. Remainder
AC9B 0.50 to 1.5 18 to 20 0.50 to 1.5 0.20 max. 0.8 max. 0.50 max. 0.50 to 1.5 0.20 max. 0.10 max. 0.10 max. 0.10 max. Remainder

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Remarks: The elements not listed in Table 3 are analyzed only by the purchaser’s request.

Notes: Elements used for modification or refinement processes include Na, Sr, Sb, and P.

(1)a) Chemical components other than those given in the above table, including those shown in the table with “—” i.e., no specification values, shall be 0.05% max. for individual elements and 0.15% in total. However, this does not apply for elements used for modification or refinement processes.

Table 7 – Mechanical properties of permanent mould casting reference test pieces  
Symbol
of type
Corresponding ISO symbol Temper Tensile test (informative)
Tensile strength
N/mm2
Elongation
%
Brinell hardness
HBS 10/500
AC1B Al-Cu4MgTi T4 330 min. 8 min. approx. 95
AC2A F 180 min. 2 min. approx. 75
T6 270 min. 1 min. approx. 90
AC2B F 150 min. 1 min. approx. 70
T6 240 min. 1 min. approx. 90
AC3A F 170 min. 5 min. approx. 50
AC4A F 170 min. 3 min. approx. 60
T6 240 min. 2 min. approx. 90

AC4Bnew window

F 170 min. approx. 80
T6 240 min. approx. 100

AC4Cnew window

Al-Si7Mg(Fe) F 150 min. 3 min. approx. 55
T5 170 min. 3 min. approx. 65
T6 230 min. 2 min. approx. 85
AC4D Al-Si5CulMg F 160 min. approx. 70
T5 190 min. approx. 75
T6 290 min. approx. 95
AC5A Al-Cu4Ni2Mg2 O 180 min. approx. 65
T6 260 min. approx. 100
AC7A F 210 min. 12 min. approx. 60
AC8A F 170 min. approx. 85
T5 190 min. approx. 90
T6 270 min. approx. 110
AC8B F 170 min. approx. 85
T5 190 min. approx. 90
T6 270 min. approx. 110
AC8C F 170 min. approx. 85
T5 180 min. approx. 90
T6 270 min. approx. 110
AC9A T5 150 min. approx. 90
T6 190 min. approx. 125
T7 170 min. approx. 95
AC9B T5 170 min. approx. 85
T6 270 min. approx. 120
T7 200 min. approx. 90

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Remarks: In the case of AC7A, AC9A, and AC9B, the mechanical properties of test piece taken from the mould shown in Fig. 2 are indicated.

Table 8 – Mechanical properties of high purity alloy AC4CH permanent mould casting reference test pieces  
Symbol
of type
Corresponding ISO symbol Temper Tensile test (informative)
Tensile strength
N/mm2
Elongation
%
Brinell hardness
HBS 10/500

AC4CHnew window

Al-Si7Mg F 160 min. 3 min. approx. 55
T5 180 min. 3 min. approx. 65
T6 250 min. 5 min. approx. 80

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Comparison table between JIS and related foreign standards (with material symbol)  
Standard Japanese Industrial Standard Related Foreign Standards
U.S.A U.K Germany France International Standard
JIS ASTM BS DIN NF ISO
Standard Number H2211:99 B179:03 EN1676:97 EN1676:97 EN1676:96
Standard Name Aluminum alloy ingot for castings All casting aluminum alloy ingots Aluminum alloy ingot  
Material Symbol AC1B.1 EN AB-21000  
AC1B.2 204.2  
AC2A.1  
AC2A.2  
AC2B.1 319.1  
AC2B.2 319.2  
AC3A.1  
AC3A.2  
AC4A.1  
AC4A.2  

AC4B.1new window

333.1 EN AB-46200  

AC4B.2new window

 

AC4C.1new window

356.1 EN AB-42000  

AC4C.2new window

356.2  

AC4CH.1new window

 

AC4CH.2new window

A356.2 EN AB-42100  
AC4D.1 355.1 EN AB-45300  
AC4D.2 355.2  
AC5A.1 242.1  
AC5A.2 242.2  
AC7A.1 514.2  
AC7A.2  
AC8A.1 336.1 EN AB-48000  
AC8A.2 336.2  
AC8B.1  
AC8B.2  
AC8C.1 332.1  
AC8C.2 332.2  
AC9A.1  
AC9A.2  
AC9B.1  
AC9B.2  

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