Standards

We are very quality-conscious and serious in our approach to compliance with standards, and we want to showcase our production facilities. Call us if you would like to know more about what we can do.

We deliver the item we have agreed with our customers. This means that all requirements are met: 

 

  • We carry out all process and product checks according to the standard, so that the product meets the requirements described therein
  • Our process is well documented
  • We have control over the processes and full traceability
  • We only use chemicals from approved suppliers
  • We have control over receiving chemicals and mixing process baths
  • Maintenance and daily monitoring of process baths is carried out and documented
  • A final final inspection of the product is carried out
  • Our quality-conscious employees have in-depth knowledge of their work areas
  • We manage both quality, environment and safety.

 

You can always get a Certificate of conformity "COC" on the surface treatment. 

We have extensive experience in participating in product PPAP, FAI or similar. Stjerne Chrome is always dressed for a thorough supplier audit. We always achieve a good result when supplier audits are held - also from the end customers. We are very quality-conscious and serious in our approach to compliance with standards, and we want to showcase our production facilities. Call Søren or Kenneth if you would like to see what we can do.

MIL-DTL-5541

The standard has the following scope: Chromation of aluminium.


The standard MIL-DTL-5541 covers 2 different types of chromating of aluminum and 2 classes. We carry out chromating according to MIL-DTL-5541 type II (without hexavalent chromium). The process is monitored in relation to the standard's requirements by our own laboratory. We perform all required tests at set intervals.


We carry out 3rd party control of the process at KIWA Norway. See the certificate here


Quality test:

  • Salt spray test (ASTM B 117)
  • Measurement of voltage loss ( Class 3 )

We will send the COC and test reports on request.


When ordering a surface treatment of a subject, cf. MIL-DTL-5541, the following must appear in the purchase order:

  • Reference to the standard here, e.g. MIL-DTL-5541F
  • What type of chromating: e.g. Type II
  • Which class: Class 1A or 3
  • Special requirements for production, including any additional requirements for packaging, masking etc. before surface treatment
  • Color requirements and uniformity
  • Instructions on specific contact marks
  • Must possibly contact marks are removed during touch up, this must be clearly stated
  • Accept criteria for quality inspection

It is important for both us and you that we understand your requirements. Therefore, we like to spend some time making sure that the purchase order is as complete as possible, so that we can produce your product in accordance with the requirements you set.

AMS 2700 / QQ-P-35

The standard has the following scope: Passivation of stainless steel. The standard AMS2700 covers 2 different methods of passivation and 8 types. We passivate stainless steel according to AMS 2700 method 1; passivation in nitric acid, type 6 low temperature or 7 medium temperature.


The standard specifies 4 classes, the classes determine how many units must be tested during production, we follow your purchase order and where nothing is specified, class 2 is used. The process is monitored in relation to the standard's requirements by our own laboratory. We perform all required tests at the standard's established intervals.


We carry out 3rd party control of the process at KIWA Norway. See the certificate here


Quality test:

  • Salt spray test (ASTM B 117)

We will send the COC and test reports on request.


When ordering a surface treatment of a subject, cf. AMS 2700, the following must appear in the purchase order:

  • Reference to the standard here, e.g. AMS 2700C
  • Which method, type: e.g. Method 1, type 6
  • Which class: Class 2
  • Special requirements for production, including any additional requirements for packaging

It is important for both us and you that we understand your requirements. Therefore, we like to spend some time making sure that the purchase order is as complete as possible, so that we can produce your product in accordance with the requirements you set.

MIL-DTL-13924

The standard has the following scope: Black oxidation of steel and stainless steel. The MIL-DTL-13924 standard covers 4 different classes. We carry out black oxidation according to MIL-DTL-13924 class 4 with or without oil.


The process is monitored in relation to the standard's requirements by our own laboratory. We perform all required tests at the standard's established intervals.


We carry out 3rd party control of the process at KIWA Norway. See the certificate here


Quality test:

  • Salt spray test (ASTM B 117)
  • Color comparison
  • Possibly. gloss measurement

We will send the COC and test reports on request.


When ordering a surface treatment of a subject, cf. MIL-DTL-13924, the following must appear in the purchase order:

  • Reference to the standard here, e.g. MIL-DTL-13924D
  • Which class ?
  • Special requirements for production, including any additional requirements for packaging.
  • Color requirements, reference to color chip number and uniformity
  • Possibly. gloss measurement
  • Accept criteria for quality inspection

It is important for both us and you that we understand your requirements. Therefore, we like to spend some time making sure that the purchase order is as complete as possible, so that we can produce your product in accordance with the requirements you set.

MIL-PRF-8625

The standard has the following scope: Anodizing of aluminium. The MIL-PRF-8625 standard covers 6 different types of aluminum anodization and 2 classes; uncolored or colored. We anodize according to MIL-PRF-8625 type II (general anodizing) and type III (hard anodizing), in both cases both class 1 and 2.


The process is monitored in relation to the standard's requirements by our own laboratory. We perform all required tests at the standard's established intervals.


We carry out 3rd party control of the process at KIWA Norway.

See the certificate for Type II here

See test report for Type III, Taber Wear Test here


Quality test:

  • Salt spray test (ASTM B 117)
  • Weight loss test (DS3210:2010)
  • Blue spot (DS12373-4)
  • Color Comparison (AMS STD 595)
  • Gloss measurement
  • Passport size
  • Layer thickness measurement
  • Taber Abrasion test "wear test"

We will send the COC and test reports on request.


When ordering a surface treatment of a subject, cf. MIL-PRF-8625, the following must appear in the purchase order:

  • Reference to the standard here, e.g.
  • MIL-PRF-8625
  • What type of anodization: e.g. Type II
  • Which class: E.g. Class 2
  • Special requirements for production, including any requirements for covering before surface treatment, wrapping, etc
  • Color requirements and uniformity
  • For type III possibly layer thickness
  • Instructions on specific contact marks
  • Accept criteria for quality inspection

It is important for both us and you that we understand your requirements. Therefore, we like to spend some time making sure that the purchase order is as complete as possible, so that we can produce your product in accordance with the requirements you set.

ISO 10074

The standard has the following scope: Specification of requirements for hard anodizing of aluminum alloys including associated test methods and requirements for this.


The process is monitored in relation to the standard's requirements by our own laboratory. We perform all required tests at the standard's established intervals.


Quality test:

  • Salt spray test (ASTM B 117)
  • Layer weight measurement (ISO 2106)
  • Color Comparison (AMS STD 595)
  • Gloss measurement
  • Passport size
  • Layer thickness measurement
  • Taber Abrasion test "wear test"

We will send the COC and test reports on request.


When ordering a surface treatment of a subject, cf. ISO 10074, the following must appear in the purchase order:

  • Reference to the standard.
  • Which class hard anodizing: e.g. class 2b
  • Special requirements for production, including any requirements for covering before surface treatment, wrapping, etc
  • Color requirements and uniformity
  • Requirements for layer thickness
  • Instructions on specific contact marks
  • Accept criteria for quality inspection

It is important for both us and you that we understand your requirements. Therefore, we like to spend some time making sure that the purchase order is as complete as possible, so that we can produce your product in accordance with the requirements you set.

Contact us

As a customer of Stjerne-Chrom, you are something very special. If you as a B2B customer want to know more about and have a binding offer, please contact us.

Contact Us