ASTM B753-01

Standard Specification for Thermostat Component Alloys

SCOPE
1.1 This specification describes requirements for alloys to be used as components in the manufacture of bonded multi-component thermostat metal strip. More specifically it describes alloys having composition, and thermal expansion suitable for application in thermostat metal sheet and strip.

General Information

• Status: Historical
• Publication Date: 09-May-2001
• ICS: 77.120.01 - Non-ferrous metals in general
• Technical Committee: B02 - Nonferrous Metals and Alloys
• Drafting Committee: B02.10 - Thermostat Metals and Electrical Resistance Heating Materials

Relations

• Replaces: ASTM B753-86(1998) - Standard Specification for Thermostat Component Alloys
• Effective Date: 10-May-2001
• Replaced By: ASTM B753-07 - Standard Specification for Thermostat Component Alloys
• Effective Date: 01-May-2007
• Referred By: ASTM B388-06(2018) - Standard Specification for Thermostat Metal Sheet and Strip
• Effective Date: 10-May-2001

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: B 753 – 01
Standard Specification for
1
Thermostat Component Alloys
This standard is issued under the fixed designation B 753; 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 that commonly used methods of surface preparation, or pre-
bond cleaning will allow bonding of the entire mating surfaces.
1.1 This specification describes requirements for alloys to
Since surface condition can vary for different alloys and
be used as components in the manufacture of bonded multi-
because bonding practices vary, product surface condition can
component thermostat metal strip. More specifically it de-
be agreed upon between supplier and purchaser.
scribes alloys having composition, and thermal expansion
suitable for application in thermostat metal sheet and strip.
5. Chemical Composition
2. Referenced Documents 5.1 The material shall be manufactured to the chemical
compositions shown in Table 1.
2.1 ASTM Standards:
5.2 The manufacturer will insure uniformity of composition
A 480 Specification for General Requirements for Flat-
throughoutaheatlottoprovideuniformthermalexpansionand
Rolled Stainless and Heat-Resisting Steel Plate, Sheet, and
2
electrical resistivity properties.
Strip
B 63 Test Method for Resistivity of Metallically Conduct-
6. Thermal Expansion Requirements
3
ing Resistance and Contact Materials
3
6.1 Samples tested in accordance with 6.2 shall exhibit
B 388 Specification for Thermostat Metal Sheet and Strip
thermal expansion properties described in Table 2.
E 18 Test Methods for Rockwell Hardness and Rockwell
4
6.2 One test sample representing each heat lot shall be
Superficial Hardness of Metallic Materials
machined to a suitable specimen configuration, heat treated in
E 228 Test Method for Linear Thermal Expansion of Solid
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accordance with instructions in Table 2, and Test Method
Materials with a Vitreous Silica Dilatometer
E 228.
3. Ordering Information
7. Electrical Resistivity
3.1 Orders for this material under this specification shall
7.1 The electrical resistivity measured at room temperature
include the following information:
as in Test Method B 63 on suitably prepared and annealed
3.1.1 Alloy type,
specimens shall conform to Table 3.
3.1.2 Size,
3.1.3 Surface finish,
8. Temper
3.1.4 Marking and packaging, and
8.1 This product will be supplied in the annealed condition.
3.1.5 Certification, if required.
8.2 Hardness shall be measured on representative samples
4. General Requirements from each heat treat lot and reported as Rockwell B hardness.
8.3 Hardness values shall conform to the requirements in
4.1 The material shall be free of scale, slivers, cracks,
Table 4 tested as in Test Methods E 18.
seams, corrosion and other defects as best commercial practice
will permit. Surfaces shall be uniform and sufficiently clean so
9. Dimensions and Permissible Variations
9.1 Permissible variations in thickness and width shall
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adhere to those described in Specification A 480. These are
This test method is under the jurisdiction of ASTM Committee B02 on
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
shown in Table 5.
B02.10 on Thermostat Metals.
9.2 Edge camber shall conform to Specification A 480.
Current edition approved May 10, 2001. Published July 2001.Originally pub-
1 1
(Edgecamberforwidths>1- ⁄2in.shallbeamaximum ⁄4in.on
lished as B 753 - 86. Last previous edition B 753 - 86 (1998).
2
Annual Book of ASTM Standards, Vol 01.03. any 8-ft length.)
3
Annual Book of ASTM Standards, Vol 02.04.
9.3 Maximum deviation across the width of the strip at a
4
Annual Book of ASTM Standards, Vol 03.01.
5 given location shall not exceed 3 % of the nominal thickness.
Annual Book of ASTM Standards, Vol 14.02.
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B 753
9.4 Slitting burr shall be no greater than 10 % of the 11.2 Marking shall contain the following information:
thickness.
11.2.1 Manufacturer’s name,
11.2.2 Alloy type,
10. Certification
11.2.3 Heat number,
10.1 The manufacturer shall provide the purchaser with a
certification containing the following information:
11.2.4 Size,
10.1.1 Alloy type,
11.2.5 Shipped weight, and
10.1.2 Specification number,
11.2.6 Purchaser’s order number.
10.1.3 Dimensions,
10.1.4 Chemical composition by heat number,
12. Investigation of Claims
10.1.5 Coefficient thermal expansion,
10.1.6 Hardness,
12.1 Where any material fails to meet the requirements of
10.1.7 Quantity shipped,
the specification, the material so
...