Pharmaceutical Thermal Processing

The heat is controlled.
The gauges read exactly
where they should.

Anneal delivers precision thermal processing for pharmaceutical-grade alloys and glass components — qualifying fill lines, resolving 483 observations, and eliminating dimensional rejection before your launch window closes.

Fig. 1 — Pharmaceutical Annealing Furnace / Cross-Section
REV. C
PREHEATSOAKCONTROLLED COOL250–400 °CRAMP 3 °C/min560 °C ±2 °CHOLD 45 min25 °C / 60 minCOOL 1 °C/minINLETEXITOVERALL LENGTH: 12,000 mm — WORKING WIDTH: 600 mmTC-01TC-02TC-03
Preheat Zone
Soak Zone
Controlled Cool
ANNEAL-TPS-001

Compliance & Standards

USP <660>
Container Glass
ASTM E220
TC Calibration
AMS 2750F
Pyrometry
ASME VIII
Pressure Vessel
21 CFR §211
cGMP Equipment
ISO 9001:2015
QMS Certified
Case Studies

Three solved problems that look like yours.

Each engagement is documented in three beats: the failure condition, the thermal protocol, and the measurable outcome. The scroll doesn't persuade through emotion — it persuades through accumulated evidence.

SFF-001
Sterile Fill-Finish
CASE 01
01
Failure Condition

Stress-fractured Type I vials — 4.2% dimensional rejection after line rebuild

A CMO in New Jersey had qualified a new 100 mL vial-filling line for a biotech client's lyophilized injectable. Post-rebuild, thermal residual stress in the vial shoulder geometry drove dimensional OOS rates to 4.2% — four times the validated threshold — threatening a product launch window with a hard FDA commitment date.

FDA 483 OBS. REF: [REDACTED] — Form 483 Issued 2024-Q3

"The firm failed to establish adequate controls for the annealing process used during vial-forming mandrel qualification. Temperature uniformity mapping studies were not performed across the full conveyor width. Stress birefringence testing was not included in the validation protocol."

02
Thermal Protocol

Three-zone controlled anneal — 560 °C soak, 45-minute hold, 1 °C/min cool

Time–Temperature Profile · Type I Borosilicate / SFF-001
25°224°392°560°TEMP °CRAMPHOLD 45MINCOOL
Peak Temp
560 °C
Hold Time
45 min
Ramp Rate
3 °C/min
Cool Rate
1 °C/min
03
Measurable Outcome

Dimensional rejection eliminated. Requalification completed on schedule.

Dimensional Rejection Rate
4.2%0.3%
Stress Birefringence Index
12.4 nm/cm1.8 nm/cm
IQ/OQ Protocols Passed
3 of 77 of 7
Requalification completed 11 days ahead of FDA commitment
"We had six weeks. Anneal had seen the same fracture pattern in borosilicate before. The protocol was on our desk in 48 hours."
Validation Manager, Contract Manufacturing Organization, New Jersey
APR-002
API Reactor Fabrication
CASE 02
01
Failure Condition

Corroded Inconel 625 heat exchanger — consent decree timeline, no qualified replacement

A Big Pharma API manufacturing site under a consent decree needed to replace a corroded Inconel 625 heat exchanger in a controlled-substance synthesis reactor. The replacement unit arrived with residual fabrication stresses that caused micro-crack propagation at weld heat-affected zones under thermal cycling — a critical failure mode in a GMP-regulated pressure vessel.

CONSENT DECREE CONDITION REF: [REDACTED] — USAO-NJ 2023

"Replacement pressure vessel components shall be subject to documented post-weld heat treatment protocols meeting ASME Section VIII requirements, with full material certification traceability and third-party witness inspection prior to installation and recommissioning."

02
Thermal Protocol

Post-weld stress relief — 760 °C peak, 90-minute hold, furnace cool to 315 °C

Time–Temperature Profile · Inconel 625 / APR-002
25°304°532°760°TEMP °CRAMPHOLD 90MINCOOL
Peak Temp
760 °C
Hold Time
90 min
Ramp Rate
1.5 °C/min
Cool Rate
0.5 °C/min
03
Measurable Outcome

ASME compliance achieved. Reactor recommissioned within consent decree schedule.

HAZ Hardness (Vickers)
340 HV198 HV
Residual Stress (MPa)
420 MPa62 MPa
ASME VIII Compliance
Non-conformingFull Cert.
Reactor recommissioned 8 days ahead of consent decree milestone
"The consent decree had no margin for error. Anneal provided ASME-compliant documentation that our third-party auditor accepted on first review."
Procurement Director, API Manufacturing Site, Pennsylvania
PKG-003
Packaging Glass
CASE 03
01
Failure Condition

Dimensional OOS spike — 6.8% rejection rate following pharmaceutical furnace rebuild

A glass packaging plant supplying Type II soda-lime vials to a European pharma packager saw dimensional rejection rates spike from 0.9% to 6.8% in the three weeks following a scheduled furnace rebuild. The rebuild had altered the thermal profile in the forming and annealing lehr, introducing asymmetric cooling rates that caused neck-diameter deviation outside the ±0.15 mm tolerance band.

CUSTOMER COMPLAINT REF: [REDACTED] — NCR-2024-0447

"Neck diameter Cpk declined from 1.42 to 0.61 following furnace recommissioning. Root cause analysis inconclusive. Customer has placed the supplier on quality hold pending corrective action and re-qualification of the lehr temperature profile."

02
Thermal Protocol

Lehr profile recalibration — 480 °C entry, uniform 3 °C/min cool to 60 °C exit

Time–Temperature Profile · Type II Soda-Lime / PKG-003
25°192°336°480°TEMP °CRAMPHOLD 30MINCOOL
Peak Temp
480 °C
Hold Time
30 min
Ramp Rate
2 °C/min
Cool Rate
3 °C/min
03
Measurable Outcome

Dimensional Cpk restored. Quality hold lifted within 72 hours.

Dimensional Rejection Rate
6.8%0.7%
Neck Diameter Cpk
0.611.58
Customer Quality Hold
ActiveLifted
Quality hold lifted 72 hours after lehr protocol implementation
"The lehr had been rebuilt three times before. Nobody had mapped the full cross-section thermal uniformity. Anneal did it in a day."
Quality Director, Glass Packaging Plant, Ohio
Request for Quotation

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By the time you've reached this form, you've seen three problems that look like yours — and three outcomes that prove we've solved them. A process engineer reviews every submission. No sales call. No generic proposal.

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