This standard covers the steel products used for Isuzu's products including the steel products to be machined in Isuzu's own plants and those delivered to Isuzu from the suppliers after half-finished or fully-finished.

Remarks

1 Steel characteristics not specified herein shall comply with individual material purchase specifications. However, if a numerical value other than as specified herein is required, such value may appear in individual material purchase specifications in consultation between Isuzu and the manufacturer only when the product can remain meeting the requirements for its quality even with the application of such a value.

2 The units and numerals values are in accordance with International System of Units (SI), and those in braces { } in accordance with the conventional unit systems, appended for reference.

PURPOSE

This standard is established to specify the qualities of the steel products purchased to make mechanical structures of Isuzu's products (hereinafter referred to as 'steel products') in order to assure the quality of Isuzu's products.

[Points of reaffirmationin October 2022]

a) The following updateswere made regarding the integration and abolition of JIS.

  JIS B0401 ⇒ JIS B 0401-2

  JIS G0303 ⇒ JIS G 0404

  JIS G1211 ⇒ JIS G 1211-1~5

  JIS G1215 ⇒ JIS G 1215-1~4

  JIS G1216 ⇒ JIS G 1216-1~3

  JIS G1252 ⇒ JIS G 1253

  JIS G1257 ⇒ JIS G 1257-0~20

  JIS G0565 ⇒ JIS Z 2320-1~3

  JIS Z2201 ⇒ JIS Z 2241

  JIS Z2202 ⇒ JIS Z 2242

  JIS Z2244 ⇒ JIS Z 2244-1

b)Some JIS names have been revised.