ANSI Heavy Square GRADE 2 HDG BLACK ZP YZP Carbon Steel Nuts

Place of Origin CHINA
Brand Name QBH
Certification ISO9001
Model Number ANIS B18.2.2
Minimum Order Quantity 900KG
Price 1000USD/TON-1200USD/TON
Packaging Details 25kg Carton+900kg/Pallet
Delivery Time 30-60 days
Payment Terms L/C, T/T
Supply Ability 200TON/MONTH
Product Details
Standard ANSI B18.2.2 Size 1/2 To 1-1/2
Surface Treatment H.D.G ZP YZP BLACK Grade 6 8
Sample Free Samples Process Cold Forging,Hot Forging
Packing 25kg Carton+900kg/Pallet Material Carbon Steel
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YZP Carbon Steel Nuts

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Gr2 Carbon Steel Nuts

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Gr2 Heavy Square Nuts

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Product Description

ANSI Heavy Square GRADE 2 HDG BLACK ZP YZP Carbon Steel Nuts

Specification

 

Hardware ANSI Menu. American National and Unified Standard Square Nuts and Heavy Square Nuts and American National Standard Hex Thick Nuts ANSI/ASME B18.2.2. Flat Bottom, Chamfered Bottom Sqaure Nut

 

American National and Unified Standard Square Nuts and Heavy Square Nuts

And American National Standard Hex Thick Nuts ANSI/ASME B18.2.2

 

ANSI Heavy Square GRADE 2 HDG BLACK ZP YZP Carbon Steel Nuts 0

 

 

 

 

 
Nominal Size F C H QBH NO
Width Across Flats Width Across Corners Thickness
Basic Max Min Max Min Basic Max Min Plain Galvanized
12 1316 0.812 0.788 1.149 1.052 716 0.458 0.418 SQUARE NUT SQUARE NUT              
58 1 1.000 0.969 1.414 1.300 3564 0.569 0.525 SQUARE NUT SQUARE NUT
34 118 1.125 1.088 1.591 1.464 2132 0.680 0.632 SQUARE NUT SQUARE NUT
78 1516 1.312 1.269 1.856 1.712 4964 0.792 0.740 SQUARE NUT SQUARE NUT
1 112 1.500 1.450 2.121 1.961 78 0.903 0.847 SQUARE NUT SQUARE NUT
118 11116 1.688 1.631 2.386 2.209 1 1.030 0.970 SQUARE NUT SQUARE NUT
114 178 1.875 1.812 2.652 2.458 1332 1.126 1.062 SQUARE NUT SQUARE NUT
138 2116 2.062 1.994 2.917 2.708 11364 1.237 1.169 SQUARE NUT SQUARE NUT
112 214 2.250 2.175 3.182 2.956 1516 1.348 1.276 SQUARE NUT SQUARE NUT

 

 

Process flow

 

Cold forging

Annealing treatment(if need) ➨ wiredrawing ➨ clod forging ➨ tapping ➨make heat treatment(if need)Finish Packing

 

Hot forging

Cutting material hot forging turning tapping make heat treatment(if need)Finish Packing

 

 

Product Grade

 

Grade 2 Grade 5 Grade 8

 

 

Materials and Chemical compstition

 

J995 Chemical Requirements      
Grade Carbon, % Phosphorus, % Manganese, % Sulfur, %
2 0.47 max 0.120 max - 0.15 max
5 0.55 max 0.050 max 0.30 min 0.15 max
8 0.55 max 0.040 max 0.30 min 0.05 max

 

 

1008

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Al
0.06 0.06 0.33 0.013 0.003 0.01 0 0.01 0.028

 

 

1035

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.34 0.13 0.73 0.012 0.002 0.02 0.01 0.02

 

 

10B21

CHEMICAL COMPOSI %
C Si Mn P S Cr B
0.2 0.04 0.81 0.017 0.007 0.017 0.0021

 

 

1045

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.45 0.23 0.58 0.014 0.006 0.057 0.008 0.016

 

40CR

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.4 0.21 0.54 0.015 0.008 0.95 0.02 0.02

 

35CRMO

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Mo
0.35 0.22 0.59 0.01 0.003 0.93 0.01 0.01 0.21

 

 

42CRMO

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Mo
0.42 0.27 0.92 0.013 0.004 1.01 0.03 0.04 0.2

 

Finish

 

PLAIN ZP YZP BLACK HDG DACROMET GEOMET CHROME NICKEL AND SO ON

 

 

PACKING

 

QBH BULK

20-25KG/CTN,36CTNS/PALLET

20-30KG/BAGS,36BAGS/PALLET

ONE TON/BOXES

50KG/ IRON DRUM,12 IRON DRUMS/PALLET

 

 

QBH SMALL PACKING

Packing in small boxes according to customer’s requirements

Packing in plastic bag according to customer’s requirements

 

QBH PALLET TYPE

SOLID WOOD FUMIGATION PALLET

EURO Pallet

THREE SPLINT PALLET

WOODEN BOX

 

 

 

Mechanical property

 

J995 Mechanical Properties    
Grade Nominal Size, inches Proofload, UNC and UN 8 Threads, psi Rockwell Hardness
2 1/4 thru 1-1/2 90,000 C32 Max
5 1/4 thru 1 120,000 C32 Max
Over 1 thru 1-1/2 105,000 C32 Max
8 1/4 thru 5/8 150,000 C24-C32
Over 5/8 thru 1 150,000 C26-C34
Over 1 thru 1-1/2 150,000 C26-C36
*Values listed are not normally applicable to jam, slotted, castle, heavy or thick nuts.

 

J995 Tensile Stress Area    
Thread, UNC UNC Stress Area, sq inches Thread, 8TPI

8 TPI Stress Area,

sq inches

1/2-13 0.1419    
5/8-11 0.226    
3/4-10 0.334    
7/8-9 0.462    
1-8 0.606 1--8 0.606
1-1/8-7 0.763 1-1/8-8 0.79
1-1/4-7 0.969 1-1/4-8 1
1-3/8-7 1.155 1-3/8-8 1.233
1-1/2-6 1.405 1-1/2-8 1.492
To calculate individual nut proofload value, simply multiply the tensile stress area by the appropriate psi proofload value.

 

Grade 2 5 8
Size 1/4 to 1-1/2 1/4 to 1 1/4 to 1 1 to 1-1/2 1 to 1-1/2 1/4 to 1-1/2 1/4 to 1-1/2
Thread Series UNC and 8NU UNC and 8NU UNF and 12UN or more fine thread UNC and 8NU UNF and 12UN or more fine thread UNC and 8NU UNF and 12UN or more fine thread
  PROOF LOAD Unit:psi
HEX NUT - 120000 109000 105000 94000 150000 150000
HEX FLANGE NUT - 120000 109000 105000 94000 150000 150000
HEX JAM NUT - 72000 65000 63000 57000 90000 900000
HEAVY HEX JAM NUT - 72000 65000 63000 57000 90000 900000
HEX SLOTTED NUT - 96000 87000 84000 75000 120000 120000
HEAVY HEX NUT - 133000 120000 116000 105000 165000 150000
HEX THICK NUT - 133000 120000 116000 105000 165000 150000
HEAVY HEX SLOTTED NUT - 105000 96000 92000 84000 132000 120000
HEX THICK SLOOTED NUT - 105000 96000 92000 84000 132000 120000
SQUARE NUT 90000 - - - - - -

 

 

 

The advantages of QBH

  • QBH brand sales to the main quality assurance.
  • Years of export trade management, excellent service, word-of-mouth guarantee.
  • By working with TUV,escort for quality.
  • Customization of non-standard parts can be made according to customer's requirements and drawings.
  • For quality customers,we can provide a certain credit period.

 

 

 

Product application

Square nuts are typically used in conjunction with square bolts or are commonly used with pole line hardware. Since hot-dip galvanizing typically adds 2.2 to 5 mils of thickness to the threaded portion of a fastener, galvanized hex square nuts are tapped oversize to compensate for the corrosion resistant coating on t