SEAMAC PIPING SOLUTIONS INC.
High Tensile Fasteners

High Tensile Fasteners

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High Tensile Fasteners

We are instrumental in manufacturing, exporting and supplying a inclusive range of High Tensile Fasteners to the clients. These fasteners are precisely manufactured by making use of the superior quality metal alloy with the help of ultra-modern technology under our experts' guidance.  Offered fasteners are best suited for fixing products in various industrial applications. Besides, our clients can get these High Tensile Fasteners in different sizes as per the exact requirements of the clients.

Features:

  • Excellent shock bearing capacity
  • Sturdy design
  • High endurance
  • Easy to install

B16

A heat-treated chromium-molybdenum-vanadium steel for high-pressure, high-temperature service.

Mechanical Properties:
Bolt -Grade Identification Markings

Grade

Size

Tensile ksi, min

Yield, ksi, min

Elong, %, min

RA % min









B16

Up to 2-1/2

125

105

18

50

2-5/8 - 4

110

95

17

45

4-1/8 - 7

100

85

16

45


Material Chemical Composition

Element

B7 (AISI 4140)

B8 (AISI 304)

B8M (AISI 316)

B16 (AISI 4140)

Carbon

0.37 - 0.49%

0.08% max

0.08% max

0.37 - 0.49%

Manganese

0.65 - 1.10%

2.00% max

2.00% max

0.65 - 1.10%

Phosphorus, max

0.035%

0.045%

0.045%

0.035%

Sulfur, max

0.040%

0.030%

0.030%

0.040%

Silicon

0.15 - 0.35%

1.00% max

1.00% max

0.15 - 0.35%

Chromium

0.75 - 1.20%

18.0 - 20.0%

16.0 - 18.0%

0.75 - 1.20%

Nickel


8.0 - 11.0%

10.0 - 14.0%


Molybdenum

0.15 - 0.25%


2.00 - 3.00%

0.15 - 0.25%

Recommended Nuts,Bolts & Washer

Bolt Grade

Nuts

Washers

B7

A194 Grade 2H

F436

B8 Class 1

A194 Grade 8

SS304

B8M Class 1

A194 Grade 8M

SS316

B8 Class 2

A194 Grade 8

SS304

B8M Class 2

A194 Grade 8M

SS316