Critical temperatures from carbon

Code-Snippets

curl "https://api.oanor.com/heattreat-api/v1/critical-temp" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/heattreat-api/v1/critical-temp", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/heattreat-api/v1/critical-temp");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);

import requests
requests.get(
    "https://api.oanor.com/heattreat-api/v1/critical-temp",
    headers={"x-oanor-key": "oanor_test_..."}
)

Beispiel-Response

Echte Antwort dieses Endpoints, erfasst beim letzten Health-Check.

{
    "data": {
        "note": "Lower critical A1 is 727 °C; the upper critical A3 ≈ 910 − 203·√(%C) for hypoeutectoid steel. Harden by austenitizing ~30–50 °C above A3 (hypoeutectoid) or above A1 (hypereutectoid), then quench. Normalize a touch hotter in still air. Soak long enough to heat through, and watch decarburisation.",
        "inputs": {
            "carbon_pct": 0.4
        },
        "steel_class": "hypoeutectoid (<0.77 %C)",
        "hardening_temp_c": 817,
        "normalizing_temp_c": 837,
        "a1_lower_critical_c": 727,
        "a3_upper_critical_c": 782
    },
    "meta": {
        "timestamp": "2026-06-06T15:30:40.220Z",
        "request_id": "b80d3069-74eb-41d9-84dd-a165aa5a4b18"
    },
    "status": "ok",
    "message": "Critical temp",
    "success": true
}