Trade-verified steel grade properties, substitution verdicts, and mill-cert guidance for AI agents.
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Which mill cert type applies for a grade + use case (e.g. EH36 shipbuilding), and what fields to check on the cert.
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Which mill cert type applies for a grade + use case (e.g. EH36 shipbuilding), and what fields to check on the cert.
| Argument | Type | Description |
|---|---|---|
| grade* | string | |
| use_case* |
| string |
{
"type": "object",
"title": "cert_guideArguments",
"required": [
"grade",
"use_case"
],
"properties": {
"grade": {
"type": "string",
"title": "Grade"
},
"use_case": {
"type": "string",
"title": "Use Case"
}
}
}Look up a steel grade: properties, chemistry, forms, applications, weldability. Aliases accepted (e.g. 4140 = 42CrMo4 = SCM440).
| Argument | Type | Description |
|---|---|---|
| grade* | string |
{
"type": "object",
"title": "grade_lookupArguments",
"required": [
"grade"
],
"properties": {
"grade": {
"type": "string",
"title": "Grade"
}
}
}Check if one steel grade can substitute another for a given application (machined / welded-structural / pressure). Returns verdict + reasoning from verified trade rules.
| Argument | Type | Description |
|---|---|---|
| to_grade* | string | |
| from_grade* | string | |
| application* | string |
{
"type": "object",
"title": "substitution_checkArguments",
"required": [
"from_grade",
"to_grade",
"application"
],
"properties": {
"to_grade": {
"type": "string",
"title": "To Grade"
},
"from_grade": {
"type": "string",
"title": "From Grade"
},
"application": {
"type": "string",
"title": "Application"
}
}
}