美国军用标准 MIL-DTL-25995E 管材铝合金拉制或挤压

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MIL-DTL-25995E

5 September 2014

SUPERSEDING

MIL-DTL-25995D

14 May 2007

DETAIL SPECIFICATION

PIPE, ALUMINUM ALLOY, DRAWN OR EXTRUDED

This specification is approved for use by all Departments and

Agencies of the Department of Defense.

1. SCOPE

1.1 Scope. This specification covers requirements for pipe, aluminum alloy, drawn or extruded in the

dimensions and weights specified, and a schedule of 5, 10, or 40 (standard), or 80 (extra heavy).

1.2. Part or Identifying Number (PIN). The PIN consists of the letter M, the basic specification

number, a letter for type designator, a number for the temper code, a number for the schedule size, and

designator for the configuration, up to three numbers for the length in feet a dash, and the quantity as

shown in the following example:

M25995 X X X X XXXX

PIN example: M25995A2CCC025

AMSC N/A FSC 4710

Comments, suggestions, or questions on this document should be addressed to: DLA Land and Maritime, Attn:

VAI, P.O. Box 3990, Columbus, OH 43218-3990, or emailed to FluidFlow@dla.mil. Since contact information

can change, you may want to verify the currency of this address information using the ASSIST Online database

at https://assist.dla.mil.

INCH-POUND

Specification number

Type (see 1.2.1.1)

Temper code designator

(see

1.2.2)

Configuration and length in

feet (see 1.2.5 and 1.2.6)

Schedule size

designator (see 1.2.4)

Pipe size (1.2.3)

MIL-DTL-25995E

1.2.1 Classification.

1.2.1.1 Type. The type designators are as follows:

1.2.2 Alloy/temper. The alloy/temper designator are as follows (see 3.4.1 or 3.4.2):

1.2.3 Pipe size. The pipe size designators are as follows (see table I):

Size

designator

Nominal

pipe size

inches

fraction

Nominal

pipe size

inches

decimal 1/

Nominal

pipe size

(mm) 2/

1/8

.125

3.18

1/4

.250

6.35

3/8

.375

9.53

1/2

.500

12.70

3/4

.750

19.05

1.00

25.40

1 1/4

1.25

31.75

1 1/2

1.50

38.10

2.00

50.80

2 1/2

2.50

63.50

3.00

76.20

3 1/2

3.50

88.90

4.00

101.60

5.00

127.00

6.00

152.40

8.00

203.20

10.00

254.00

12.00

304.80

1/ Dimensions are in inches.

2/ Metric equivalents are given for information only.

Alloy/temper

designator code

Alloy/temper

3003-H18

3003-H112

6061-T6

6063-T6

Type designator

Application

Structural pipe for non-pressure applications

B Seamless pipe for pressure applications

MIL-DTL-25995E

1.2.4 Schedule. The schedule designators are as follows (see 3.4.2):

1.2.5 Configuration. The configuration designators are as follows:

1.2.6 Length. Length are expressed in feet. Lengths less than 100 feet (30.5 m) have a zero as a

prefix example: 050 specifies a 50 foot (15.25 m) length (see 6.4).

2. APPLICABLE DOCUMENTS

2.1 General. The documents listed in this section are specified in sections 3 and 4 of this

specification. This section does not include documents cited in other sections of this specification or

recommended for additional information or as examples. While every effort has been made to ensure the

completeness of this list, document users are cautioned that they must meet all specified requirements of

documents cited in sections 3 and 4 of this specification, whether or not they are listed.

2.2 Government documents.

2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and

handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the

issues of these documents are those cited in the solicitation or contract (see 6.2).

2.3 Non-Government publications. The following documents form a part of this document to the

extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the

solicitation or contract.

AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)

ANSI H35.1 - Alloy and Temper Designation Systems for Aluminum

ANSI H35.2 - Dimensional Tolerances for Aluminum Mill Products

(Copies of these documents are available online at http://www.ansi.org.)

Schedule

designator

Schedule size

Configuration

designator

Configuration

Coiled

Straight

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标签： #铝合金 #合金 #管

摘要：

本页详细介绍美国军用标准MIL-DTL-25995E，涵盖拉制或挤压铝合金管材的材料要求、性能指标与验收规范。该标准适用于航空航天及国防领域对高强度、耐腐蚀铝合金管道的严苛需求，明确了合金牌号、热处理状态、尺寸公差、力学性能及无损检测等关键技术参数。通过对比拉制与挤压工艺的差异，帮助工程师和采购人员准确理解标准适用范围，确保选材合规。页面同时提供标准修订历史、替代规范对照及常见问题解答，为设计选型、质量检验和供应链管理提供权威参考，助力企业高效完成军用级管材的国产化替代与质量认证。

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