SAE AMS 4037R-2020 航空材料规范

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For more information on this standard, visit

https://www.sae.org/standards/content/AMS4037R

AEROSPACE

MATERIAL SPECIFICATION

AMS4037™

REV. R

Issued 1940-06

Revised 2020-08

Superseding AMS4037Q

Aluminum Alloy, Sheet and Plate

4.4Cu - 1.5Mg - 0.60Mn (2024; -T3 Flat Sheet, -T351 Plate)

Solution Heat Treated

(Composition similar to UNS A92024)

RATIONALE

AMS4037R prohibits unauthorized exceptions (3.6), revises condition (3.2), reports (4.4.1), and identification (5.1.1), and

results from a Five-Year Review and update of this specification.

1. SCOPE

1.1 Form

This specification covers an aluminum alloy in the form of sheet and plate from 0.008 to 4.000 inches (0.20 to 101.60 mm)

in thickness, inclusive (see 8.5).

1.2 Application

These products have been used typically for formed structural parts of good strength. Plate is also suitable for structural

machined parts where warpage, during machining, due to residual stresses must be minimized, but usage is not limited to

such applications.

1.2.1 Certain design and processing procedures may cause these products to become susceptible to stress-corrosion

cracking; ARP823 recommends practices to minimize such conditions.

2. APPLICABLE DOCUMENTS

The issue of the following documents in effect on the date of the purchase order forms a part of this specification to the

extent specified herein. The supplier may work to a subsequent revision of a document unless a specific document issue

is specified. When the referenced document has been cancelled and no superseding document has been specified, the

last published issue of that document shall apply.

2.1 SAE Publications

Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA

and Canada) or +1 724-776-4970 (outside USA), www.sae.org.

AMS2355 Quality Assurance, Sampling and Testing, Aluminum Alloys and Magnesium Alloy, Wrought Products

(Except Forging Stock), and Rolled, Forged, or Flash Welded Rings

AMS2772 Heat Treatment of Aluminum Alloy Raw Materials

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SAE INTERNATIONAL AMS4037™R Page 2 of 6

ARP823 Minimizing Stress-Corrosion Cracking in Wrought Heat-Treatable Aluminum Alloy Products

ARP1917 Clarification of Terms Used in Aerospace Metals Specifications

2.2 ASTM Publications

Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel:

610-832-9585, www.astm.org.

ASTM B660 Packaging/Packing of Aluminum and Magnesium Products

ASTM B666/B666M Identification of Aluminum and Magnesium Alloy Products

2.3 ANSI Accredited Publications

Copies of these documents are available online at http://webstore.ansi.org/.

ANSI H35.1/H35.1M Standard Alloy and Temper Designation System for Aluminum

ANSI H35.2 Dimensional Tolerances for Aluminum Mill Products

ANSI H35.2M Dimensional Tolerances for Aluminum Mill Products (Metric)

3. TECHNICAL REQUIREMENTS

3.1 Composition shall conform to the percentages by weight shown in Table 1, determined in accordance with

AMS2355.

Table 1 - Composition

Element

Min

Max

Silicon

0.50

Iron

0.50

Copper

3.8

4.9

Manganese

0.30

0.9

Magnesium

1.2

1.8

Chromium

0.10

Zinc

0.25

Titanium

0.15

Other Elements, each

0.05

Other Elements, total

0.15

Aluminum

remainder

3.2 Condition

The product shall be supplied in the following condition:

3.2.1 Sheet

Solution heat treated in accordance with AMS2772 and cold worked to the T3 temper (refer to ANSI H35.1/H35.1M).

3.2.2 Plate

Solution heat treated in accordance with AMS2772 and stretched to produce a nominal permanent set of 2% but not less

than 1-1/2% nor more than 3% to the T351 temper (refer to ANSI H35.1/H35.1M).

3.2.2.1 Plate shall receive no further straightening operations after stretching.

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SAE INTERNATIONAL AMS4037™R Page 3 of 6

3.3 Properties

3.3.1 Mechanical property requirements for product outside of the range covered by 1.1 shall be agreed upon between

purchaser and producer.

The product shall conform to the following requirements, determined in accordance with AMS2355 on the mill produced

size.

3.3.2 Tensile Properties

Shall be as specified in Table 2.

Table 2A - Minimum tensile properties, inch/pound units

Temper

Nominal Thickness

Inches

Tensile Strength

ksi

Yield Strength

at 0.2% Offset

ksi

Elongation in

2 Inches or 4D

-T3

Over 0.008 to 0.009, incl

Over 0.009 to 0.020, incl

Over 0.020 to 0.128, incl

Over 0.128 to 0.249, incl

63.0

64.0

42.0

-T351

Over 0.249 to 0.499, incl

Over 0.499 to 1.000, incl

Over 1.000 to 1.500, incl

Over 1.500 to 2.000, incl

Over 2.000 to 3.000, incl

Over 3.000 to 4.000, incl

64.0

63.0

62.0

60.0

57.0

42.0

41.0

Table 2B - Minimum tensile properties, SI units

Temper

Nominal Thickness,

Millimeters

Tensile Strength

MPa

Yield Strength

at 0.2% Offset

MPa

Elongation in

50.8 mm or 4D

-T3

Over 0.20 to 0.23, incl

Over 0.23 to 0.51, incl

Over 0.51 to 3.25, incl

Over 3.25 to 6.32, incl

434

441

290

-T351

Over 6.32 to 12.67, incl

Over 12.67 to 25.40, incl

Over 25.40 to 38.10, incl

Over 38.10 to 50.80, incl

Over 50.80 to 76.20, incl

Over 76.20 to 101.60, incl

441

434

427

414

393

290

283

3.3.3 Bending

Product 0.008 to 0.499 inch (0.20 to 12.67 mm), inclusive, in nominal thickness shall withstand, without cracking, bending

at room temperature through an angle of 180 degrees around a diameter equal to the bend factor shown in Table 3 times

the nominal thickness of the product with axis of bend parallel to the direction of rolling.

Table 3 - Bending parameters

Nominal Thickness

Inches

Nominal Thickness

Millimeters

Bend Factor

0.008 to 0.020, incl

Over 0.020 to 0.051, incl

Over 0.051 to 0.128, incl

Over 0.128 to 0.249, incl

Over 0.249 to 0.499, incl

0.20 to 0.51, incl

Over 0.51 to 1.30, incl

Over 1.30 to 3.25, incl

Over 3.25 to 6.32, incl

Over 6.32 to 12.67, incl

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标签： #航空工业 #铝合金板材 #航空材料规范

摘要：

AMS4037™ REV. R由国际自动机工程师学会SAE International发布，属于航空材料规范，对应的材料是铝合金板材/片材，成分（质量占比）为：4.4% 铜（Cu）、1.5% 镁（Mg）、0.60% 锰（Mn），其余主要为铝。材料状态：经过 “固溶热处理”（Solution Heat Treated），板材的热处理状态为T3（片材）、T351（板材）。主要用于航空工业中，规定该铝合金的成分、性能、热处理等要求，确保材料符合航空部件的使用标准。

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