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STEP-XML is a short term for ISO 10303-28, Industrial automation systems and integration—Product data representation and exchange—Part 28: Implementation methods: XML representations of EXPRESS schema and data STEP-XML specifies the use of the Extensible Markup Language ("XML) to represent EXPRESS schema ("ISO 10303-11) and the data that is governed by those EXPRESS schema. It is an alternative method to "STEP-File for the exchange of data according to "ISO 10303.
The following specifications are WITHIN the scope of ISO 10303-28:
The following specifications are OUTSIDE the scope of ISO 10303-28: