ASTM F1135-99

Standard Specification for Cadmium or Zinc Chromate Organic Corrosion Protective Coating for Fasteners

SCOPE
1.1 This specification covers the basic performance requirements for an electrolytic or mechanical coating of cadmium or zinc followed by a chromate and baked organic coating for ferrous and nonferrous fasteners.
1.2 There are eight grades available under this standard; four for zinc and four for cadmium.
1.3 This standard is intended primarily for fasteners such as nuts, bolts, and screws that require corrosion protection.

General Information

• Status: Historical
• Publication Date: 09-Oct-1999
• ICS: 21.060.01 - Fasteners in general
• ICS: 25.220.60 - Organic coatings
• Technical Committee: F16 - Fasteners
• Drafting Committee: F16.03 - Coatings on Fasteners

Relations

• Replaced By: ASTM F1135-99(2004) - Standard Specification for Cadmium or Zinc Chromate Organic Corrosion Protective Coating for Fasteners (Withdrawn 2009)
• Effective Date: 01-Nov-2004

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: F 1135 – 99
Standard Specification for
Cadmium or Zinc Chromate Organic Corrosion Protective
1
Coating for Fasteners
This standard is issued under the fixed designation F 1135; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope F 1470 GuideforFastenerSamplingforSpecifiedMechani-
5
cal Properties and Performance Inspection
1.1 This specification covers the basic performance require-
F 1940 Test Method for Process Control Verification to
ments for an electrolytic or mechanical coating of cadmium or
Prevent Hydrogen Embrittlement in Plated or Coated
zinc followed by a chromate and baked organic coating for
5
Fasteners
ferrous and nonferrous fasteners.
1.2 There are eight grades available under this standard;
3. Classification
four for zinc and four for cadmium.
3.1 These coatings are classified into eight grades according
1.3 This standard is intended primarily for fasteners such as
to the requirements shown in Table 1.
nuts, bolts, and screws that require corrosion protection.
4. Ordering Information
2. Referenced Documents
4.1 Orders for material under this specification shall include
2.1 ASTM Standards:
2
the following information:
B 117 Test Method of Salt Spray (Fog) Testing
4.1.1 Quantity of parts.
B 244 Test Method for Measurement of Thickness of An-
4.1.2 Grade required (see 3.1) and color code (see 5.4).
odic Coatings on Aluminum and of Other Nonconductive
4.1.3 Any conditions or additions agreed upon by the
Coatings on Nonmagnetic Basis Metals with Eddy-Current
3
purchaser and the supplier.
Instruments
B 487 Test Method for Measurement of Metal and Oxide
5. Requirements
Coating Thickness by Microscopical Examination of a
3 5.1 Parts supplied to this specification shall have a chromate
Cross Section
coating plus an organic coating applied to maintain adequate
B 499 Test Method for Measurement of Coating Thickness
salt spray protection. The coatings shall not chip, leach color,
by the Magnetic Method: Nonmagnetic Coatings on Mag-
3 or suffer color loss.
netic Basis Metals
5.2 Substrate shall be either ferrous or nonferrous metal
B 633 Specification for Electrodeposited Coatings of Zinc
3 fasteners.
on Iron and Steel
5.3 The finish shall be a cured organic coating.
B 695 Specification for Coatings of Zinc Mechanically
3 5.4 The appearance shall be either CLEAR (Color code A)
Deposited on Iron and Steel
or BLACK (Color code B). Other colors may be specified by
B 696 SpecificationforCoatingsofCadmiumMechanically
3 the purchaser.
Deposited
5.5 The gloss shall be described as medium.
4
D 3359 Test Method for MeasuringAdhesion by Tape Test
5.6 The film properties shall have sufficient hardness
F 871M Specification for Electrodeposited Coatings on
5 through curing at time of delivery to withstand normal han-
Threaded Components [Metric]
dling and shipping without marring.
5.7 Coating Thickness Measurement— The thickness shall
1
This specification is under the jurisdiction of ASTM Committee F-16 on be determined by the method described in 8.1 and meet the
FastenersandisthedirectresponsibilityofSubcommitteeF16.03onMetalCoatings
requirements of Table 1.
on Threaded Fasteners.
5.8 Organic Coating Determination— Any part with the
Current edition approved Oct. 10, 1999. Published December 1999. Originally
e1
coating applied and properly cured shall exhibit no discolora-
published as F 1135 - 88. Last previous edition F 1135 - 88 (1993) .
2
Annual Book of ASTM Standards, Vol 03.02.
tion after soaking in a 5 % trisodium phosphate solution for 5
3
Annual Book of ASTM Standards, Vol 02.05.
min at room temperature, water rinsed, towel dried, and
4
Annual Book of ASTM Standards, Vol 06.01.
subjected to 1 to 2 drops of a 5 % lead acetate solution on the
5
Annual Book of ASTM Standards, Vol 01.08.
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F 1135
TABLE 1 Grade Classification of Coatings
7. Test Methods
7.1 The coating thickness shall be determined by eddy-
Grade Deposition Type µmmin Metal Salt Spray
current, Test Method B 244; magnetic methods, Test Method
Thickness Resistance, h min
B 499; or microscopic examination of cross sections taken
White Red
Corrosion Rust
perpendicular to significant surfaces, Test Method B 487 (see
1 Electrolytic 5 zinc 120 240 Calibration of Micrometer Eyepiece) or other means agreed
2 Mechanical 5 zinc 50 240
upon by the supplier and the producer. For referee purposes,
3 Electrolytic 13 zinc 216 336
microexamination in accordance with Test Method B 48
...