Heavy Hex Nut ASTM A563 By Shanghai Metal Corporation,
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Heavy Hex Nut ASTM A563

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China

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NO. 10.67318.1600

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Nuts

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Shanghai Metal Corporation

Shanghai Metal Corporation

China

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Personne à contacter cstmarketing-cn.8122.063327

20 Floor Yuan Mansion, 738 Dongfang Road, Shanghai, Shanghai

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Spécification du produit

La description

The ASTM A**3 specification covers the chemical and mechanical requirements for carbon and alloy steel nuts used on bolts, studs, and externally threaded fasteners. SMC are one of the leading manufacturers and suppliers of fastener in China, we are specialized in the field of metal product, and even customization product can be produced according to customers’ design.
1. Grade: A, B, C, D, DH, C3, DH3
2. Raw material: Carbon Steel and alloy steel 

Specification of ASTM A**3 Heavy Hex Nut:
1. Grades:
A Low carbon steel, hex or heavy hex
B Low carbon steel, hex or heavy hex
C Carbon steel, quenched and tempered, heavy hex
D Carbon steel, quenched and tempered, heavy hex
DH Carbon steel, quenched and tempered, heavy hex
C3 Weathering steel, quenched and tempered, heavy hex
DH3 Weathering steel, quenched and tempered, heavy hex
2. Mechanical Properties:
Grade Style Size, in. Proof Load, ksi Hardness, HBN
Black Galvanized
A Hex 1/4 - **1/2 *0 *8 **6 - **2
Heavy Hex 1/4 - 4 **0 *5 **6 - **2
B Heavy Hex 1/4 - 1 **3 **0 **1 - **2
Heavy Hex **1/8 - **1/2 **6 *7 **1 - **2
C / C3 Heavy Hex 1/4 - 4 **4 **4 **3 - **2
D Heavy Hex 1/4 - 4 **0 **0 **8 - **2
DH / DH3 Heavy Hex 1/4 - 4 **5 **0 **8 - **2
For UNC, 8UN, 6UN, and Coarse Pitch Threads
3. Chemical Properties:
Element Grades O, A, B, C D** DH**
Carbon 0.*5% max 0.*5% max 0.*0 - 0.*5%
Manganese, min   0.*0% 0.*0%
Phosphorus, max 0.*2% 0.*4% 0.*4%
Sulfur, max 0.*5%* 0.*5% 0.*5%
* For grades O, A and B a sulfur content of 0.*3% max is acceptable with the purchasers approval
** For grades D and DH a sulfur content of 0.*5 - 0.*5% is acceptable provided the manganese is 1.*5% min
 
Element Classes for Grade C3* DH3
A B C D E F N
Carbon 0.*3 - 0.*0% 0.*8 - 0.*8% 0.*5 - 0.*5% 0.*5 - 0.*5% 0.*0 - 0.*5% 0.*0 - 0.*5%   0.*0 - 0.*3%
Manganese 0.*0 - 1.*0% 0.*0 - 0.*0% 0.*0 - 1.*5% 0.*0 - 1.*0% 0.*0 - 1.*0% 0.*0 - 1.*0%   0.*0% min
Phosphorus 0.**0% max 0.*6 - 0.*2% 0.**5% max 0.**0% max 0.**0% max 0.**0% max 0.*7 - 0.*5% 0.**6% max
Sulfur, max 0.**0% 0.**0% 0.**0% 0.**0% 0.**0% 0.**0% 0.**0% 0.**0%
Silicon 0.*5 - 0.*5% 0.*0 - 0.*0% 0.*5 - 0.*5% 0.*5 - 0.*0% 0.*5 - 0.*5% 0.*5 - 0.*5% 0.*0 - 0.*0%  
Copper 0.*5 - 0.*5% 0.*0 - 0.*0% 0.*0 - 0.*0% 0.*0 - 0.*0% 0.*0 - 0.*0% 0.*0 - 0.*0% 0.*5 - 0.*5% 0.*0% min
Nickel 0.*5 - 0.*5% 0.*0 - 0.*0% 0.*5 - 0.*0% 0.*0 - 0.*0% 0.*0 - 0.*0% 0.*0 - 0.*0% 1.*0% max 0.*0% min**
Chromium 0.*5 - 0.*5% 0.*0 - 0.*5% 0.*0 - 0.*0% 0.*0 - 1.*0% 0.*0 - 0.*0% 0.*5 - 0.*5% 0.*0 - 1.*5% 0.*5% min
Vanadium     0.**0% min          
Molybdenum   0.*6% max   0.*0% max       0.*5% min**
Titanium       0.*5% max        
* Selection of a class shall be at the option of the manufacturer
** Nickel or Molybdenum may be used.

Grade Identification Marks of ASTM A**3 Heavy Hex Nut:
  Specification Material Nominal Size, In. Proof Load Stress, ksi Hardness Rockwell See Note
Min Max

 		 ASTM A**3 Grade O Carbon Steel 1/4 - **1/2 *9 B*5 C*2 2,3
ASTM A**3 Grade A Carbon Steel 1/4 - **1/2 *0 B*8 C*2 2,3
ASTM A**3 Grade B Carbon Steel 1/4 - 1 **0 B*9 C*2 2,3
>1 - **1/2 **5
  ASTM A**3 Grade C Carbon Steel, may be Quenched and Tempered 1/4 - 4 **4 B*8 C*8 4
  ASTM A**3 Grade C3 Atmospheric Corrosion Resistant Steel, may be Quenched and Tempered 1/4 - 4 **4 B*8 *8 4,6
  ASTM A**3 Grade D Carbon Steel, may be Quenched and Tempered 1/4 - 4 **0 B*4 C*8 5
  ASTM A**3 Grade DH Carbon Steel, Quenched and Tempered 1/4 - 4 **5 C*4 C*8 5
  ASTM A**3 Grade DH3 Atmospheric Corrosion Resistant Steel, Quenched and Tempered 1/4 - 4 **5 C*4 C*8 4,6
NOTES:
1. In addition to the indicated grade marking, all grades, except A**3 grades O, A, and B, must be marked for manufacturer identification.
2. Nuts are not required to be marked unless specified by the purchaser. When marked, the identification marking shall be the grade letter O, A, or B.
3. Properties shown are those of nonplated or noncoated coarse thread nuts.
4. Properties shown are those of coarse thread heavy hex nuts.
5. Properties shown are those of coarse thread heavy hex nuts. Other nuts styles and fine threads may apply.
6. The nut manufacturer, at his option, may add other markings to indicate the use of atmospheric corrosion resistant steel.

Thread Dimensions and Oversizing Allowances of ASTM A**3 Heavy Hex Nut:
Nominal Nut Size, in. and Pitch Diametral Allowance, in. Pitch Diameter
Min Max
0.**0 - *0 0.**6 0.***5 0.***4
0.**2 - *8 0.**7 0.***4 0.***7
0.**5 - *6 0.**7 0.***4 0.***1
0.**7 - *4 0.**8 0.***1 0.***2
0.**0 - *3 0.**8 0.***0 0.***5
0.***2 - *2 0.**0 0.***4 0.***2
0.**5 - *1 0.**0 0.***0 0.***2
0.**0 - *0 0.**0 0.***0 0.***7
0.**5 - 9 0.**2 0.***8 0.***0
1.**0 - 8 0.**4 0.***8 0.***6
1.**5 - 8 0.**4 1.***8 1.***8
1.**5 - 7 0.**4 1.***2 1.***6
1.**0 - 8 0.**4 1.***8 1.***0
1.**0 - 7 0.**4 1.***2 1.***8
1.**5 - 8 0.**7 1.***8 1.***1
1.**5 - 6 0.**7 1.***7 1.***1
1.**0 - 8 0.**7 1.***8 1.***3
1.**0 - 6 0.**7 1.***7 1.***2
1.**0 - 5 0.**0 1.***1 1.***7
2.**0 - 4.5 0.**0 1.***7 1.***1
2.**0 - 4.5 0.**0 2.***7 2.***3
2.**0 - 4 0.**0 2.***6 2.***1
2.**0 - 4 0.**0 2.***6 2.***3
3.**0 - 4 0.**0 2.***6 2.***5
3.**0 - 4 0.**0 3.***6 3.***7
3.**0 - 4 0.**0 3.***6 3.***9
3.**0 - 4 0.**0 3.***6 3.***1
4.**0 - 4 0.**0 3.***6 3.***3

Pays: China
N ° de modèle: NO. 10.67318.1600
Prix FOB: Obtenir le dernier prix
Localité: -
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Commande minimale: -
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Groupe de produits : Nuts

Mots-clés correspondants Shanghai Metal Corporation

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