Stub Bolt A193 B7

Short Description

Model No.: DW STB-1 Hits: 39

China Stub Bolt A193 B7 manufacturer can provide Stub Bolt A193 B7 UNC standard.high strength alloy steel material,M16-M56, Delivery in 10-15days
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Key Specifications / Features

Stub Bolt A193 B7
Standard: customized sizes as per your need.  
Size: M16-M56 (1/4-1 3/4) or as per customers technical drawings showed.
Material: ASTM A193 B7, A194 B8
Delivery time: 10-15 days are available.
Salt spray time: 2 hours, 24 hours, 48 hours, 96 hours, 1000 hours we can do as per need. And can offer with salt spray checking report. 
Surface Finish: plain finish, zinc plating, chromate, nickel plating, copper finish, dacromet, waxing finish, anti-rust treatment.
Appearance: clear shiny surface, with complete neat body, without burrs and sharps. Inspection equipment: Hardness test, torque test, salt . endurance test, mechanical sizes test, as per your need. 

Stub Bolt A193 B7 Chemical Compostion and Mechanical Properties:

 
Specification Material Nominal Size (In.) Mechanical Properties  
Minimum Tempering
Temperature
°F
Elongation
in 4D,
min, %
Yield Strength,
min, 0.2 %
offset,
ksi
Tensile
Strength,
min, ksi
Reduction
of Area,
min, %
Hardness,
max
Finish
Treatment
ASTM A193
Grade B7
AISI 4140, 4142, 4105 1/2 to 2-1/2 1100 16 105 125 50 321HB
or 35HRC
Black Oxide
Zinc Plated
Nickel Plated
Phosphated
HDG
Dacromet
Cadmium Plated
PTFE(Teflon)
2-1/2 to 4 95 115
ASTM A193
Grade B7M
AISI 4140,   4142, 4105 1/2 to 4 1150 18 80 100 235HB or 99HRB
ASTM A193
Grade B16
CrMoVa Alloy Steel 1/2 to 2-1/2 1200 18 105 125 50 321HB or 35HRC
2-1/2 to 4 17 95 110 45
 
Specification Material Nominal Size (In.) Minimum Tempering
Temperature °F
Proof Load Stress (ksi) Hardness Rockwell Nut Type
Min Max
ASTM A194 Grade 2H Medium Carbon Steel, Quenched and Tempered 1/2 to 4 850 175 C24 C35 Heavy hex nut
Hex thin nut
Hex nut
ASTM A194 Grade 2HM Medium Carbon Steel, Quenched and Tempered 1/2 to 4 1150 150 159 235
ASTM A194 Grade 4 Medium Carbon Alloy Steel, Quenched and Tempered 1/2 to 4 1100 175 C24 C35
ASTM A194 Grade 7 Medium Carbon Alloy Steel, Quenched and Tempered 1/2 to 4 1100 175 C24 C35
ASTM A194 Grade 7M Medium Carbon Alloy Steel, Quenched and Tempered 1/2 to 4 1150 150 159 235

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