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Pickling & Passivation Services

National Plating Company, your premier destination for comprehensive pickling and passivation services for stainless steel. With our unwavering commitment to quality and expertise, we offer a range of solutions that meet the highest industry standards, including compliance with renowned specifications such as ASTM A967, AMS 2700, ASTM A380, QQ-P-35, and various company-specific requirements.

Our pickling and passivation processes are meticulously designed to remove impurities and contaminants from stainless steel surfaces while enhancing their corrosion resistance. With our state-of-the-art facility and a team of skilled professionals, we ensure that each step of the process adheres to the strictest standards and delivers exceptional results.

At the core of our operations is our in-house chemist, whose expertise and knowledge play a pivotal role in developing precise chemical formulations for pickling and passivation. Our chemist conducts thorough chemical testing to ensure optimal performance and adherence to industry specifications, including those outlined by ASTM standards. This rigorous testing guarantees that our pickling and passivation processes effectively meet or exceed the required criteria, providing you with superior quality and long-lasting results.

As part of our commitment to transparency and customer satisfaction, we provide comprehensive documentation for all our pickling and passivation services. This documentation includes detailed process records, chemical compositions, and quality control measurements, allowing you to have complete visibility and traceability of our work.

In addition to our standard testing procedures, we also offer optional additional testing methods to further validate the performance and durability of our pickling and passivation services. These tests include salt spray testing, 24-hour humidity testing, ferroxyl testing, copper sulfate testing, and water immersion testing. These tests are conducted in accordance with the relevant ASTM standards, providing you with reliable and comprehensive data on the corrosion resistance and quality of the treated stainless steel.

At National Plating Company, we are dedicated to providing pickling and passivation solutions that not only meet but exceed industry standards. With our focus on quality, chemical testing by our in-house chemist, comprehensive documentation, and optional additional testing methods, we ensure that your stainless-steel surfaces receive the highest level of care and protection.

Experience the pinnacle of pickling and passivation services with National Plating Company, where excellence, compliance, and customer satisfaction are at the forefront of everything we do.

For more information on our passivating capability, see the table below, or contact us directly.

Passivation Example Photo Gallery

(Click on thumbnail to enlarge)

  • The Part: Precision machined & Ground 316 SS
  • Approx Size: 3.5″ x 5″ x 1.5″, 6 lb.
  • Scope: Passivate per ASTM A-967 – No damage to any surface allowed
  • The Part: Formed & welded pipe assembly 316 SS
  • Approx Size: 4″ ID; 60″ long, 60 lb.
  • Scope: Passivate inside & outside
  • The Part: Welded, machined & ground 304 SS
  • Approx Size: Major ID ~3″ 14″L, 10 lb.
  • Scope: Passivate inside and outside
  • The Part: Machined sand casting 316 SS
  • Approx Size: 6″ x 6″ x 10″, 14 lb.
  • Scope: Passivate complete & Ferroxyl Test
  • The Part: Springs 302, 304, 17-4, 17-7 SS
  • Approx Size: Wide variety of sizes & shapes.
  • Scope: Passivate complete & Ferroxyl Test
  • The Part: Stamped & formed 304 SS
  • Approx Size: 12″ Dia. x 3″ High, 3 lb.
  • Scope: Passivate complete & Ferroxyl Test
  • The Part: Welded/shaped vessel 316 SS
  • Approx Size: Major OD 12″ x 40″, 90 lb.
  • Scope: Passivate complete-thorough rinsing of inside surfaces is critical
  • The Part: Precision turned/ground roller 304 SS
  • Approx Size: 1.1″OD x 18″L, 5 lb.
  • Scope: Passivate complete-absolutely no surface damage allowed
  • The Part: Precision machined & ground 316 SS
  • Approx Size: Major dia. 1.5″ x 1.7″ L, .2 lb.
  • Scope: Passivate complete-small part no damage allowed on precision surfaces

Passivation Capabilities

Media

Nitric Acid

Substrate

Stainless Steel

Removes

Free Iron

Surface Impurities

Equipment

Temperature Controllers

Digital Timers

Pre-Operations

Cleaning

Post-Operations

Rinsing

Standards

ASTM A967
QQ-P-35
ASTM A380

AMS 2700
AAA Passivation
Mil-Spec

Length

Up to 8 ft.

Width

Up to 3.5 ft.

Height

Up to 3.5 ft.

Part Weight

Up to 500 lb

Testing/Inspection

Copper Sulfate
Ferroxyl
Water Immersion

24-Hour Humidity
Chemistry
Salt Spray

Quality Plan

Equipment Used
Process Steps

Electrical Settings and Times
Photos

Additional Services

Count
Pack
Label

Bar Code
Ship

Production Volume

1 to High Volume

Industry Focus

Aerospace
Agriculture
Automotive
Electrical
Food Service

Marine
Medical
Pharmaceutical
Research

Intended Application

Reduce Friction
Springs
Lead Screws
Shafts
Housings
Bearings
Reduce Product Contamination

Filters
Chambers
Screens
Hydraulics
Pipes
Pumps
Valves
Tanks

Industry Standards

ISO Compliant
ASTM A380
ASTM A967
AAA Passivation

QQ-P 35
AMS 2700
RoHS Compliant
Mil-Spec

Environment

OSHA Inspection: No Exposure

File Formats

PDF

JPG