ASTM D4627-12
(Test Method)Standard Test Method for Iron Chip Corrosion for Water–Miscible Metalworking Fluids
Standard Test Method for Iron Chip Corrosion for Water–Miscible Metalworking Fluids
SIGNIFICANCE AND USE
4.1 The results obtained by this test are a useful guideline in determining the ability of water-miscible metalworking fluids to prevent or minimize rust under specific conditions. There is usually a relationship between the results of this test and a similar ability of the subject coolant to prevent rust on nested parts or in drilled holes containing chips, etc. It must be understood, however, that conditions, metal types, etc. found in practice will not correlate quantitatively with these controlled laboratory conditions. The procedure may not be able to differentiate between two products with poor rust control due to the wide spacing between test dilutions.
SCOPE
1.1 This test method covers evaluation of the ferrous corrosion control characteristics of water–miscible metalworking fluids.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.2.1 Exception—Note 1 contains inch-pound units since the drill sizes and feed rates do not have readily available metric equivalents.
1.2.2 Exception—U.S. Standard sieve sizes include mesh values.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
General Information
Relations
Buy Standard
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: D4627 − 12
Standard Test Method for
Iron Chip Corrosion for Water–Miscible Metalworking
1
Fluids
This standard is issued under the fixed designation D4627; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope* 4. Significance and Use
4.1 The results obtained by this test are a useful guideline in
1.1 This test method covers evaluation of the ferrous cor-
determining the ability of water-miscible metalworking fluids
rosion control characteristics of water–miscible metalworking
to prevent or minimize rust under specific conditions. There is
fluids.
usually a relationship between the results of this test and a
1.2 The values stated in SI units are to be regarded as
similar ability of the subject coolant to prevent rust on nested
standard. No other units of measurement are included in this
parts or in drilled holes containing chips, etc. It must be
standard.
understood,however,thatconditions,metaltypes,etc.foundin
1.2.1 Exception—Note 1 contains inch-pound units since
practice will not correlate quantitatively with these controlled
the drill sizes and feed rates do not have readily available
laboratory conditions. The procedure may not be able to
metric equivalents.
differentiate between two products with poor rust control due
1.2.2 Exception—U.S. Standard sieve sizes include mesh
to the wide spacing between test dilutions.
values.
5. Apparatus
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
5.1 Disposable Petri Dishes, 35 by 10 mm plastic, with lids.
responsibility of the user of this standard to establish appro-
5.2 Glass-Fiber Filter Paper, 1.5 µm particle retention
priate safety and health practices and determine the applica-
rating, 3.2-cm diameter.
bility of regulatory limitations prior to use.
5.3 Glass Stirring Rod.
2. Terminology
5.4 Spatula.
2.1 Definitions:
5.5 Pipettes, 5 mL.
2.1.1 rust, n—corrosion product consisting primarily of
5.6 Glass Bottle, 4-oz. with cap.
hydrated iron oxides.
5.7 Balance, accurate to 1 mg.
2.2 Definitions of Terms Specific to This Standard:
5.8 Graduated Cylinder, 50 mL.
2.2.1 breakpoint, n—weakest concentration of the water-
miscible metalworking fluid tested that leaves no rust stain on
5.9 Volumetric Flask,1L.
the filter paper.
5.10 Forceps.
5.11 U.S. Standard Sieve, 18-mesh (1.0-mm sieve
3. Summary of Test Method
openings), stainless steel.
3.1 Cast iron chips are placed in a petri dish containing a
filter paper and diluted metalworking fluid.The dish is covered
6. Reagents and Materials
and allowed to stand overnight.The amount of rust stain on the 2
6.1 Gray Cast Iron Drilling Chips.
filterpaperisanindicationofthecorrosioncontrolprovidedby
NOTE 1—The chips are made from Class 30 gray cast iron (UNS
the fluid.
F10006), as cast. The structure is mostly pearlite with small amounts of
ferrite and type A graphite. Brinell hardness is 179–217. The chips are
made using a clean, oil free jobbers length high speed drill of 29/64 in.
diameterwith118°plainpoint,29°helixand12–15°clearance.Rotational
1
This test method is under the jurisdiction of ASTM Committee D02 on
speed should be 500 rpm at a feed rate of 0.015 in./rev. Hand feeding is
Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of
Subcommittee D02.L0.01 on Metal Removal Fluids and Lubricants.
Current edition approved June 1, 2012. Published October 2012. Originally
2
approved in 1986. Last previous edition approved in 2007 as D4627–92(2007). Iron chips produced and packaged according to the directions given in Note 1
DOI: 10.1520/D4627-12. are commercially available.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D4627 − 12
not permissible. The chips are sieved on 5 and 18-mesh sieves and those
8.8 Rinse the filter paper with running tap water for about 5
retained on the 18-mesh sieve are immediately stored in airtight pint glass
s to remove any discoloration due to the fluid.
bottles. Each drilling is given a batch number. The bottle labels bear this
8.9 Afterrinsing,estimatethepercentofthefilterpaperarea
batch number and the date of filling.
which was stained by rusting chips. This is done by visual
6.2 Synthetic Hard Water, 20,000 mg/L stock solution pre-
examination (without magnification) of the side of the paper
pared by dissolving 29.4 g reagent grade (ACS standard)
that was in contact with the chips.
CaCl ·2H Oi
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D4627 − 92 (Reapproved 2007) D4627 − 12
Standard Test Method for
Iron Chip Corrosion for Water–DilutableWater–Miscible
1
Metalworking Fluids
This standard is issued under the fixed designation D4627; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope Scope*
1.1 This test method covers evaluation of the ferrous corrosion control characteristics of water–dilutablewater–miscible
metalworking fluids.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.2.1 Exception—Note 1 contains inch-pound units since the drill sizes and feed rates do not have readily available metric
equivalents.
1.2.2 Exception—U.S. Standard sieve sizes include mesh values.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory
limitations prior to use.
2. Terminology
2.1 Definitions:
2.1.1 rust, n—corrosion product consisting primarily of hydrated iron oxides.
2.2 Definitions of Terms Specific to This Standard:
2.2.1 breakpoint, n—weakest concentration of the water-miscible metalworking fluid tested that leaves no rust stain on the filter
paper.
3. Summary of Test Method
3.1 Cast iron chips are placed in a petri dish containing a filter paper and diluted metalworking fluid. The dish is covered and
allowed to stand overnight. The amount of rust stain on the filter paper is an indication of the corrosion control provided by the
fluid.
4. Significance and Use
4.1 The results obtained by this test are a useful guideline in determining the ability of water diluted water-miscible
metalworking fluids to prevent or minimize rust under specific conditions. There is usually a relationship between the results of
this test and a similar ability of the subject coolant to prevent rust on nested parts or in drilled holes containing chips, etc. It must
be understood, however, that conditions, metal types, etc. found in practice will not correlate quantitatively with these controlled
laboratory conditions. The procedure may not be able to differentiate between two products with poor rust control due to the wide
spacing between test dilutions.
5. Apparatus
5.1 Disposable Petri Dishes, 35 by 10 mm plastic, with lids No. 8-757-100A.lids.
5.2 Glass-Fiber Filter Paper, Whatman No. 934-AH, 1.5 μm particle retention rating, 3.2-cm diameter.
5.3 Glass Stirring Rod.
5.4 Spatula.
1
This test method is under the jurisdiction of ASTM Committee D02 on Petroleum Products and Lubricants and is the direct responsibility of Subcommittee D02.L0.01
on Metal Removal Fluids and Lubricants.
Current edition approved May 1, 2007June 1, 2012. Published July 2007October 2012. Originally approved in 1986. Last previous edition approved in 20022007 as
D4627D4627–92(2007).–92 (2002). DOI: 10.1520/D4627-92R07.10.1520/D4627-12.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D4627 − 12
5.5 Pipettes, 5 mL.
5.6 Glass Bottle, 4-oz. with cap.
5.7 Balance, accurate to 1 mg.
5.8 Graduated Cylinder, 50 mL.
5.9 Volumetric Flask, 1 L.
5.10 Forceps.
5.11 U.S. Standard Sieve, 18-mesh (1.0-mm sieve openings), stainless steel.
6. Reagents and Materials
2
6.1 Gray Cast Iron Drilling Chips.
NOTE 1—The chips are made from Class 30 gray cast iron, iron (UNS F10006), as cast. The structure is mostly pearlite with small amounts of ferrite
and type A graphite. Brinell hardness is 179–217. The chips are made using a clean, oil free jobbers length high speed drill of 29/64 in. diameter with
118° plain point, 29° helix and 12–15° clearance. Rotational speed should be 500 rpm at a feed rate of 0.015 in./rev. Hand feeding is not permissible.
The chips are sieved on 5 and 18-mesh sieves and those retained on the 18-mesh sieve are immediately stored in airtight pint glass bottles. Each drilling
is given a batch number. The bottle labels bear this batch number and the date of filling.
6.2 Synthetic Hard Water, 20,000 mg/L stock solution prepared by dissolving
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.