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ASTM B327-13
Standard Specification for Master Alloys Used in Making Zinc Die Casting Alloys
STANDARD published on 1.2.2013
The information about the standard:
Designation standards: ASTM B327-13
Note: WITHDRAWN
Publication date standards: 1.2.2013
SKU: NS-6248
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM B327-13 :
Keywords:
aluminum alloy hardener, aluminum-base master alloy, master alloy, V12, zinc-base master alloy, zinc die casting alloy, ICS Number Code 77.120.10 (Aluminium and aluminium alloys)
Additional information
| 1. Scope | |||||||||||||
|
1.1 This specification covers aluminum–base and zinc–base master alloys used to make zinc die-casting alloys. Alloy compositions specified for aluminum–base master alloys (hardeners) are designated as shown in Table 1. Alloy compositions specified for the zinc-base master alloys are designated as shown in ASTM |
Composition, percent |
|
|||||||||||
|
Alu- |
Copper |
Iron, max |
Silicon, max |
Manga- |
MagnesiumA |
Zinc |
Chro- |
Nickel, max |
Tin, max |
Lead, maxA |
Cad- |
||
|
ZG71A |
87.0 |
1.7 max |
0.8 |
0.7 |
0.50 |
0.65–1.05 |
6.5–7.5 |
0.20 |
0.20 |
0.02 |
0.020 |
0.010 |
1 part by weight of ZG71A, 21 parts by weight of Special High Grade zincB to make ASTM zinc Alloy Z33524 (AG40A) |
Common
(UNS)
Color
CodeD
Aluminum
Magnesium
Iron
max.
Copper
max.
Lead
max.
Cadmium
max.
Tin
max.
Zinc
V12-3
(Z33730)
Pink
11.7–12.6
0.090–0.16
0.070
0.25†
0.005
0.004
0.003
Remainder
V12–5
(Z35740)
Pink/Black
11.7–12.6
0.090–0.16
0.070
2.1–3.3
0.005
0.004
0.003
Remainder
1.2 Aluminum alloy hardeners are
added to Special High Grade zinc (per Specification B6) in the
proper alloying ratios, as shown in Table 1, to produce zinc alloys for die
casting.
1.3 Zinc-base master alloy is added to Special High Grade zinc (per Specification B6) in the proper alloying ratio, as shown in
Nominal
Weight, lb
Weight Range, lbA
Usage
Minimum
Maximum
2400
2325
2475
1 part by weight of V12-3 (one 2400 lb jumbo ingot), 2 parts by weight (two 2400 lb jumbo ingots) of Special High Grade zinc to make zinc alloy 3 (Zamak 3, UNS Z33524, AG40A)
or
1 part by weight of V12-5 (one 2400 lb jumbo ingot), 2 parts by weight (two 2400 lb jumbo ingots) of Special High Grade zinc to make zinc alloy 5 (Zamak 5, UNS Z35532, AC41A)
1200
1150
1250
1 part by weight of V12-3 (one 1200 lb jumbo ingot), 2 parts by weight (one 2400 lb jumbo ingot) of Special High Grade zinc to make zinc alloy 3 (Zamak 3, UNS Z33524, AG40A)
or
1 part by weight of V12-5 (one 1200 lb jumbo ingot), 2 parts by weight (one 2400 lb jumbo ingot) of Special High Grade zinc to make zinc alloy 5 (Zamak 5, UNS Z35532, AC41A)
1.4 Master alloys may be supplied in
the form of shot, bar, ingot or jumbo ingot as specified by the
purchaser.
1.5 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.6 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 become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.
|
ISO3815-2 |
Zinc and zinc alloys Part 2: Analysis by inductively coupled plasma optical emission spectrometry |
|
Standard Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS) |
|
|
Standard Test Method for Analysis of Aluminum and Aluminum Alloys by Spark Atomic Emission Spectrometry |
|
|
Standard Test Methods for Chemical Analysis of Zinc and Zinc Alloys |
|
|
Standard Practice for Sampling Nonferrous Metals and Alloys in Cast Form for Determination of Chemical Composition |
|
|
Standard Test Methods for Chemical Analysis of Aluminum and Aluminum-Base Alloys |
|
|
Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications |
|
|
Standard Specification for General Requirements for Zinc and Zinc Alloy Products |
|
|
Standard Practice for the Use of Color Codes for Zinc Casting Alloy Ingot |
|
|
Standard Terminology Relating to Non-ferrous Metals and Alloys |
|
|
Standard Practice for Codification of Certain Zinc, Tin and Lead Die Castings (Withdrawn 2020) |
|
|
Standard Specification for Zinc |
|
|
ISO3815-1 |
Zinc and zinc alloys Part 1: Analysis of solid samples by optical emission spectrometry |
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