diff --git a/fusion_plating/fusion_plating/__manifest__.py b/fusion_plating/fusion_plating/__manifest__.py
index c7feda08..8b4b26a3 100644
--- a/fusion_plating/fusion_plating/__manifest__.py
+++ b/fusion_plating/fusion_plating/__manifest__.py
@@ -5,7 +5,7 @@
 
 {
     'name': 'Fusion Plating',
-    'version': '19.0.18.15.16',
+    'version': '19.0.19.0.0',
     'category': 'Manufacturing/Plating',
     'summary': 'Core plating / metal finishing ERP: facilities, processes, tanks, baths, jobs, operators.',
     'description': """
@@ -99,6 +99,7 @@ Copyright (c) 2026 Nexa Systems Inc. All rights reserved.
         'views/fp_facility_views.xml',
         'views/fp_bath_views.xml',
         'views/fp_process_node_views.xml',
+        'views/fp_recipe_thickness_views.xml',
         # Sub 14b — fp.step.kind catalog. MUST load before
         # fp_step_template_data.xml (templates reference kinds via
         # kind_id) AND before fp_step_template_views.xml (the form
diff --git a/fusion_plating/fusion_plating/models/__init__.py b/fusion_plating/fusion_plating/models/__init__.py
index 2f6476c0..8ba16e5e 100644
--- a/fusion_plating/fusion_plating/models/__init__.py
+++ b/fusion_plating/fusion_plating/models/__init__.py
@@ -18,6 +18,7 @@ from . import fp_bath_log_line
 from . import fp_bath_parameter
 from . import fp_bath_replenishment_rule
 from . import fp_process_node
+from . import fp_recipe_thickness
 from . import fp_rack
 from . import fp_job
 from . import fp_job_step
diff --git a/fusion_plating/fusion_plating/models/fp_process_node.py b/fusion_plating/fusion_plating/models/fp_process_node.py
index be509735..64ea164a 100644
--- a/fusion_plating/fusion_plating/models/fp_process_node.py
+++ b/fusion_plating/fusion_plating/models/fp_process_node.py
@@ -336,6 +336,68 @@ class FpProcessNode(models.Model):
     # NB. `pricing_rule_ids` lives in fusion_plating_configurator
     # (added there so this core module doesn't depend on the configurator).
 
+    # ---- Spec-derived metadata (recipe-root only — Promote Customer Spec) ----
+    # These were on fp.coating.config (since retired). They describe the
+    # PROCESS the recipe runs, not the customer-facing specification —
+    # specs live on fusion.plating.customer.spec.
+    phosphorus_level = fields.Selection(
+        [('low_phos', 'Low Phosphorus (2-5%)'),
+         ('mid_phos', 'Mid Phosphorus (6-9%)'),
+         ('high_phos', 'High Phosphorus (10-13%)'),
+         ('na', 'N/A')],
+        string='Phosphorus Level',
+        default='na',
+        help='EN-specific. Set to N/A for non-EN processes (chrome, '
+             'anodize, black oxide). Drives certificate annotation and '
+             'hydrogen-embrittlement risk assessment for bake-relief.',
+    )
+    thickness_min = fields.Float(string='Min Thickness', digits=(10, 4))
+    thickness_max = fields.Float(string='Max Thickness', digits=(10, 4))
+    thickness_uom = fields.Selection(
+        [('mils', 'mils'), ('microns', 'microns'), ('inches', 'inches')],
+        string='Thickness UoM', default='mils',
+    )
+    thickness_option_ids = fields.One2many(
+        'fp.recipe.thickness',
+        'recipe_id',
+        string='Thickness Options',
+        help='Discrete thickness values offered to the estimator on the '
+             'order line for jobs running this recipe.',
+    )
+
+    # ---- Bake relief — AMS 2759/9 hydrogen embrittlement (recipe root) ----
+    requires_bake_relief = fields.Boolean(
+        string='Requires Bake Relief',
+        help='Hydrogen embrittlement relief bake required (high-strength '
+             'steel ≥ HRC 31 in conjunction with this chemistry). When '
+             'set, finishing the job auto-creates a bake-window record '
+             'and blocks shipment until bake is complete.',
+    )
+    bake_window_hours = fields.Float(
+        string='Bake Window (hours)', default=4.0,
+        help='Maximum time between plate exit and bake start. Typical 4h '
+             'per AMS 2759/9.',
+    )
+    bake_temperature = fields.Float(
+        string='Bake Temperature', default=375.0,
+        help='Relief bake temperature. Default 375 (°F per AMS 2759/9 for '
+             'steel ≥ HRC 40).',
+    )
+    bake_temperature_uom = fields.Selection(
+        [('F', '°F'), ('C', '°C')],
+        string='Bake Temp Unit',
+        default='F',
+    )
+    bake_duration_hours = fields.Float(
+        string='Bake Duration (hours)', default=23.0,
+        help='Minimum bake hold time at temperature. Typical 23h.',
+    )
+
+    # NB. `applicable_spec_ids` (reverse of customer.spec.recipe_ids) is
+    # defined as an inherit in fusion_plating_quality (the module that
+    # owns fusion.plating.customer.spec). Core can't reference it
+    # directly without a dependency inversion.
+
     # ---- Computed fields -----------------------------------------------------
 
     display_name = fields.Char(
diff --git a/fusion_plating/fusion_plating/models/fp_recipe_thickness.py b/fusion_plating/fusion_plating/models/fp_recipe_thickness.py
new file mode 100644
index 00000000..a3c3d1a5
--- /dev/null
+++ b/fusion_plating/fusion_plating/models/fp_recipe_thickness.py
@@ -0,0 +1,54 @@
+# -*- coding: utf-8 -*-
+# Copyright 2026 Nexa Systems Inc.
+# License OPL-1 (Odoo Proprietary License v1.0)
+# Part of the Fusion Plating product family.
+
+from odoo import api, fields, models
+
+
+class FpRecipeThickness(models.Model):
+    """Discrete thickness option offered for a recipe.
+
+    Replaces fp.coating.thickness. The thickness picker on the SO line
+    is scoped to the chosen recipe, so the operator only sees values
+    that match what the recipe actually produces.
+    """
+    _name = 'fp.recipe.thickness'
+    _description = 'Fusion Plating — Recipe Thickness Option'
+    _order = 'recipe_id, sequence, value'
+
+    recipe_id = fields.Many2one(
+        'fusion.plating.process.node',
+        string='Recipe',
+        required=True,
+        ondelete='cascade',
+        domain="[('node_type', '=', 'recipe'), ('parent_id', '=', False)]",
+    )
+    sequence = fields.Integer(default=10)
+    value = fields.Float(
+        string='Thickness',
+        required=True,
+        digits=(10, 4),
+    )
+    uom = fields.Selection(
+        [('mils', 'mils'), ('microns', 'microns'), ('inches', 'inches')],
+        string='UoM',
+        required=True,
+        default='mils',
+    )
+    label = fields.Char(
+        string='Display Label',
+        compute='_compute_label',
+        store=True,
+        help='Auto-formatted "0.0005 mils" string for the picker dropdown.',
+    )
+    note = fields.Char(string='Note')
+    active = fields.Boolean(default=True)
+
+    @api.depends('value', 'uom')
+    def _compute_label(self):
+        for rec in self:
+            rec.label = f'{rec.value:g} {rec.uom}' if rec.value else ''
+
+    def name_get(self):
+        return [(rec.id, rec.label or '?') for rec in self]
diff --git a/fusion_plating/fusion_plating/security/ir.model.access.csv b/fusion_plating/fusion_plating/security/ir.model.access.csv
index f8abd520..c085819d 100644
--- a/fusion_plating/fusion_plating/security/ir.model.access.csv
+++ b/fusion_plating/fusion_plating/security/ir.model.access.csv
@@ -94,3 +94,6 @@ access_fp_job_step_move_manager,fp.job.step.move.manager,model_fp_job_step_move,
 access_fp_job_step_move_input_value_operator,fp.job.step.move.input.value.operator,model_fp_job_step_move_input_value,group_fusion_plating_operator,1,1,1,0
 access_fp_job_step_move_input_value_supervisor,fp.job.step.move.input.value.supervisor,model_fp_job_step_move_input_value,group_fusion_plating_supervisor,1,1,1,0
 access_fp_job_step_move_input_value_manager,fp.job.step.move.input.value.manager,model_fp_job_step_move_input_value,group_fusion_plating_manager,1,1,1,1
+access_fp_recipe_thickness_user,fp.recipe.thickness.user,model_fp_recipe_thickness,base.group_user,1,0,0,0
+access_fp_recipe_thickness_supervisor,fp.recipe.thickness.supervisor,model_fp_recipe_thickness,group_fusion_plating_supervisor,1,1,1,0
+access_fp_recipe_thickness_manager,fp.recipe.thickness.manager,model_fp_recipe_thickness,group_fusion_plating_manager,1,1,1,1
diff --git a/fusion_plating/fusion_plating/views/fp_process_node_views.xml b/fusion_plating/fusion_plating/views/fp_process_node_views.xml
index 6204712a..6d976735 100644
--- a/fusion_plating/fusion_plating/views/fp_process_node_views.xml
+++ b/fusion_plating/fusion_plating/views/fp_process_node_views.xml
@@ -226,6 +226,44 @@
                         <page string="Notes" name="notes">
                             <field name="notes" placeholder="Internal notes..."/>
                         </page>
+                        <page string="Specification &amp; Bake"
+                              name="spec_metadata"
+                              invisible="node_type != 'recipe' or parent_id">
+                            <group>
+                                <group string="Spec Metadata">
+                                    <field name="phosphorus_level"/>
+                                    <field name="thickness_min"/>
+                                    <field name="thickness_max"/>
+                                    <field name="thickness_uom"/>
+                                </group>
+                                <group string="Bake Relief (AMS 2759/9)">
+                                    <field name="requires_bake_relief"/>
+                                    <field name="bake_window_hours"
+                                           invisible="not requires_bake_relief"/>
+                                    <field name="bake_temperature"
+                                           invisible="not requires_bake_relief"/>
+                                    <field name="bake_temperature_uom"
+                                           invisible="not requires_bake_relief"/>
+                                    <field name="bake_duration_hours"
+                                           invisible="not requires_bake_relief"/>
+                                </group>
+                            </group>
+                            <group string="Thickness Options">
+                                <field name="thickness_option_ids" nolabel="1">
+                                    <list editable="bottom">
+                                        <field name="sequence" widget="handle"/>
+                                        <field name="value"/>
+                                        <field name="uom"/>
+                                        <field name="label" readonly="1"/>
+                                        <field name="note" optional="hide"/>
+                                        <field name="active" optional="hide"/>
+                                    </list>
+                                </field>
+                            </group>
+                            <!-- Applicable Specifications group is added
+                                 by fusion_plating_quality via an inherit
+                                 view (the field lives there too). -->
+                        </page>
                     </notebook>
                 </sheet>
                 <chatter/>
diff --git a/fusion_plating/fusion_plating/views/fp_recipe_thickness_views.xml b/fusion_plating/fusion_plating/views/fp_recipe_thickness_views.xml
new file mode 100644
index 00000000..1630bd93
--- /dev/null
+++ b/fusion_plating/fusion_plating/views/fp_recipe_thickness_views.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright 2026 Nexa Systems Inc.
+    License OPL-1 (Odoo Proprietary License v1.0)
+    Part of the Fusion Plating product family.
+-->
+<odoo>
+
+    <record id="view_fp_recipe_thickness_list" model="ir.ui.view">
+        <field name="name">fp.recipe.thickness.list</field>
+        <field name="model">fp.recipe.thickness</field>
+        <field name="arch" type="xml">
+            <list string="Thickness Options" decoration-muted="not active" editable="bottom">
+                <field name="sequence" widget="handle"/>
+                <field name="recipe_id"/>
+                <field name="value"/>
+                <field name="uom"/>
+                <field name="label" string="Display"/>
+                <field name="note" optional="hide"/>
+                <field name="active" optional="hide"/>
+            </list>
+        </field>
+    </record>
+
+</odoo>
diff --git a/fusion_plating/fusion_plating_quality/__manifest__.py b/fusion_plating/fusion_plating_quality/__manifest__.py
index 2ca3ccb3..f034de0e 100644
--- a/fusion_plating/fusion_plating_quality/__manifest__.py
+++ b/fusion_plating/fusion_plating_quality/__manifest__.py
@@ -5,7 +5,7 @@
 
 {
     'name': 'Fusion Plating — Quality (QMS)',
-    'version': '19.0.4.14.0',
+    'version': '19.0.5.0.0',
     'category': 'Manufacturing/Plating',
     'summary': 'Native QMS for plating shops: NCR, CAPA, calibration, AVL, FAIR, '
                'internal audits, customer specs, document control. CE + EE compatible.',
@@ -90,6 +90,7 @@ Copyright (c) 2026 Nexa Systems Inc. All rights reserved.
         'views/fp_calibration_views.xml',
         'views/fp_avl_views.xml',
         'views/fp_customer_spec_views.xml',
+        'views/fp_process_node_inherit_views.xml',
         'views/fp_audit_views.xml',
         'views/fp_fair_views.xml',
         'views/fp_doc_control_views.xml',
diff --git a/fusion_plating/fusion_plating_quality/models/__init__.py b/fusion_plating/fusion_plating_quality/models/__init__.py
index c7322d38..f5e358d8 100644
--- a/fusion_plating/fusion_plating_quality/models/__init__.py
+++ b/fusion_plating/fusion_plating_quality/models/__init__.py
@@ -9,6 +9,7 @@ from . import fp_calibration
 from . import fp_calibration_event
 from . import fp_avl
 from . import fp_customer_spec
+from . import fp_process_node_inherit
 from . import fp_audit
 from . import fp_fair
 from . import fp_doc_control
diff --git a/fusion_plating/fusion_plating_quality/models/fp_customer_spec.py b/fusion_plating/fusion_plating_quality/models/fp_customer_spec.py
index cd6ff587..f5b4057b 100644
--- a/fusion_plating/fusion_plating_quality/models/fp_customer_spec.py
+++ b/fusion_plating/fusion_plating_quality/models/fp_customer_spec.py
@@ -74,6 +74,22 @@ class FpCustomerSpec(models.Model):
     notes = fields.Html(
         string='Notes',
     )
+    recipe_ids = fields.Many2many(
+        'fusion.plating.process.node',
+        'fp_customer_spec_recipe_rel',
+        'spec_id', 'recipe_id',
+        domain="[('node_type', '=', 'recipe'), ('parent_id', '=', False)]",
+        string='Applicable Recipes',
+        help='Recipes that can produce work to this specification. '
+             'Many-to-many — one spec can cover multiple processes; '
+             'one recipe can satisfy multiple specs.',
+    )
+    print_on_cert = fields.Boolean(
+        string='Print on Certificate',
+        default=True,
+        help="When enabled, this spec's code+revision appear on the CoC "
+             'when the spec is selected on the SO line.',
+    )
     company_id = fields.Many2one(
         'res.company',
         string='Company',
diff --git a/fusion_plating/fusion_plating_quality/models/fp_process_node_inherit.py b/fusion_plating/fusion_plating_quality/models/fp_process_node_inherit.py
new file mode 100644
index 00000000..5563224f
--- /dev/null
+++ b/fusion_plating/fusion_plating_quality/models/fp_process_node_inherit.py
@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+# Copyright 2026 Nexa Systems Inc.
+# License OPL-1 (Odoo Proprietary License v1.0)
+# Part of the Fusion Plating product family.
+
+from odoo import fields, models
+
+
+class FusionPlatingProcessNode(models.Model):
+    """Add the reverse M2M from recipe → applicable specifications.
+
+    The forward M2M lives on fusion.plating.customer.spec.recipe_ids.
+    Defined here (in the quality module) because customer.spec is owned
+    by quality and core can't reference it without a circular dep.
+    """
+    _inherit = 'fusion.plating.process.node'
+
+    applicable_spec_ids = fields.Many2many(
+        'fusion.plating.customer.spec',
+        'fp_customer_spec_recipe_rel',
+        'recipe_id', 'spec_id',
+        string='Applicable Specifications',
+        help='Customer / industry specifications this recipe is qualified '
+             'to satisfy. Set on the spec record; mirrored here for '
+             'navigation.',
+    )
diff --git a/fusion_plating/fusion_plating_quality/views/fp_customer_spec_views.xml b/fusion_plating/fusion_plating_quality/views/fp_customer_spec_views.xml
index 65e575de..a832e40a 100644
--- a/fusion_plating/fusion_plating_quality/views/fp_customer_spec_views.xml
+++ b/fusion_plating/fusion_plating_quality/views/fp_customer_spec_views.xml
@@ -50,6 +50,13 @@
                     <group string="Applicable Processes" name="applicable_processes">
                         <field name="process_type_ids" widget="many2many_tags" nolabel="1"/>
                     </group>
+                    <group string="Applicable Recipes" name="applicable_recipes">
+                        <field name="recipe_ids" widget="many2many_tags" nolabel="1"
+                               options="{'no_create_edit': True}"/>
+                    </group>
+                    <group>
+                        <field name="print_on_cert"/>
+                    </group>
                     <notebook>
                         <page string="Notes">
                             <field name="notes"/>
diff --git a/fusion_plating/fusion_plating_quality/views/fp_process_node_inherit_views.xml b/fusion_plating/fusion_plating_quality/views/fp_process_node_inherit_views.xml
new file mode 100644
index 00000000..0308f419
--- /dev/null
+++ b/fusion_plating/fusion_plating_quality/views/fp_process_node_inherit_views.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright 2026 Nexa Systems Inc.
+    License OPL-1 (Odoo Proprietary License v1.0)
+    Part of the Fusion Plating product family.
+
+    Adds the "Applicable Specifications" group to the recipe form
+    (defined in core under the "Specification & Bake" notebook page).
+    Lives here because the field applicable_spec_ids is added by an
+    inherit in this module.
+-->
+<odoo>
+
+    <record id="view_fp_process_node_form_quality_inherit" model="ir.ui.view">
+        <field name="name">fusion.plating.process.node.form.quality.inherit</field>
+        <field name="model">fusion.plating.process.node</field>
+        <field name="inherit_id" ref="fusion_plating.view_fp_process_node_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//page[@name='spec_metadata']" position="inside">
+                <group string="Applicable Specifications">
+                    <field name="applicable_spec_ids" nolabel="1"
+                           widget="many2many_tags"
+                           options="{'no_create': True}"/>
+                </group>
+            </xpath>
+        </field>
+    </record>
+
+</odoo>