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ASTM A572/A572M-12a

Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel (Includes all amendments And changes 10/21/2013).

Automaticky preložený názov:

Štandardné špecifikácie pre vysokopevnostné nízkolegovanej columbium - vanád konštrukčná oceľ

NORMA vydaná dňa 1.11.2012

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Dostupnosť	SKLADOM
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Informácie o norme:

Označenie normy: ASTM A572/A572M-12a
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.11.2012
Kód tovaru: NS-3173
Počet strán: 4
Približná hmotnosť: 12 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM

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Anotácia textu normy ASTM A572/A572M-12a :

Keywords:

bars, bolted construction, bridges, buildings, columbium-vanadium, high-strength, low-alloy, plates, riveted construction, shapes, sheet piling, steel, structural steel, welded construction, ICS Number Code 77.140.10 (Heat-treatable steels)

Doplňujúce informácie

1. Scope

1.1 This specification covers five grades of high-strength low-alloy structural steel shapes, plates, sheet piling, and bars. Grades 42 [290], 50 [345], and 55 [380] are intended for riveted, bolted, or welded structures. Grades 60 [415] and 65 [450] are intended for riveted or bolted construction of bridges, or for riveted, bolted, or welded construction in other applications.

1.2 For applications, such as welded bridge construction, where notch toughness is important, notch toughness requirements are to be negotiated between the purchaser and the producer.

1.3 Specification A588/A588M shall not be substituted for Specification A572/A572M without agreement between the purchaser and the supplier.

1.4 The use of columbium, vanadium, titanium, nitrogen, or combinations thereof, within the limitations noted in Section 1.5 The maximum thicknesses available in the grades and products covered by this specification are shown in

Grade

Yield Point, min

Maximum Thickness or Size

Zees and Rolled
Tees

ksi

[MPa]

Plates and Bars

Structural Shape
Flange or Leg
Thickness

Sheet Piling

in.

[mm]

in.

[mm]

42 [290]^A

[290]

[150]

all

50 [345]^A

[345]

4^B

[100]^B

all

55 [380]

[380]

[50]

all

60 [415]^A

[415]

1¹/₄ ^C

[32]^C

[50]

all

65 [450]

[450]

1¹/₄

[32]

[50]

not available

all

1.6 When the steel is to be welded, a welding procedure suitable for the grade of steel and intended use or service is to be utilized. See Appendix X3 of Specification A6/A6M for information on weldability.

Diameter, Thickness,
or Distance
Between Parallel
Faces, in. [mm]
Plates and Bars

Structural Shape
Flange or Leg
Thickness, in. [mm]

Grade

Carbon,
max, %

Manganese,^B
max, %

Phosphorus,
max, %

Sulfur,
max,
%

Silicon

Plates to 1¹/₂ in. [40 mm] Thick,
Shapes with
Flange or Leg
Thickness to 3 in.
[75 mm] inclusive,
Sheet Piling,
Bars, Zees, and
Rolled Tees^C

Plates Over 1¹/₂ in.
[40 mm] Thick and
Shapes with Flange Thickness
Over 3 in.
[75 mm]

max, %

range, %

6 [150]

all

42 [290]

0.21

1.35^D

0.04

0.05

0.40

0.15–0.40

4 [100]^E

all

50 [345]

0.23

1.35^D

0.04

0.05

0.40

0.15–0.40

2 [50]^F

all

55 [380]

0.25

1.35^D

0.04

0.05

0.40

0.15-0.40

1¹/₄ [32]^F

≤2 [50]

60 [415]

0.26

1.35^D

0.04

0.05

0.40

>¹/₂ – 1¹/₄ [13–32]

>1-2 [25-50]

65 [450]

0.23

1.65

0.04

0.05

0.40

≤¹/₂ [13]^H

≤ 1^H

65 [450]

0.26

1.35

0.04

0.05

0.40

1.7 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system is to be used independently of the other, without combining values in any way.

Type^A

Elements

Heat Analysis, %

Columbium

0.005–0.05^B

Vanadium

0.01–0.15

Columbium
Vanadium
Columbium plus vanadium

0.005-0.05^B
0.01–0.15
0.02–0.15^C

Titanium
Nitrogen
Vanadium

0.006-0.04
0.003–0.015
0.06 max

1.8 The text of this specification contains notes or footnotes, or both, that provide explanatory material. Such notes and footnotes, excluding those in tables and figures, do not contain any mandatory requirements.

Grade

Yield Point, min

Tensile Strength, min

Minimum Elonga-
tion, % ^B ^,^C^,^D

ksi

[MPa]

ksi

[MPa]

in 8 in.
[200 mm]

in 2 in.
[50 mm]

42 [290]

[290]

[415]

50 [345]

[345]

[450]

55 [380]

[380]

[485]

60 [415]

[415]

[520]

65 [450]

[450]

[550]

1.9 For structural products produced from coil and furnished without heat treatment or with stress relieving only, the additional requirements, including additional testing requirements and the reporting of additional tests, of A6/A6M apply.

2. Referenced Documents

A588/A588M-24	Standard Specification for High-Strength Low-Alloy Structural Steel, up to 50 ksi [345 MPa] Minimum Yield Point, with Atmospheric Corrosion Resistance
A36/A36M-19	Standard Specification for Carbon Structural Steel
A6/A6M-26	Standard Specification for General Requirements for Rolled Structural Steel Bars, Plates, Shapes, and Sheet Piling
A514/A514M-22	Standard Specification for High-Yield-Strength, Quenched and Tempered Alloy Steel Plate, Suitable for Welding

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