B7-2H Fasteners

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Ratna Exports is a one-stop source for all engineering needs, and we pride ourselves on being one of the leading manufacturers, exporters, and stockers of Various engineering products. Our company regularly supplies engineering, industrial, construction, and other companies. 

This fastener is very valuable for assemblies that require high strength. This fastener is corrosive, abrasive, and suitable for extreme environments. These fasteners have machining allowances and tolerance limits to fit every necessary assembly. In addition to resisting stress rupture and creep when subjected to heavy loads, fasteners resist chemical erosion, which is ideal for chemical industries. They are designed to withstand a minimum amount of elongation at high temperatures.

Specifications and Packaging of B7-2H Fasteners Our company uses only high-quality crude materials for making fasteners, and we employ the latest equipment and methods to manufacture them. As a result, they possess excellent surface finishes and excellent dimensional accuracy. Various metal treatment processes are used to make fasteners stronger and more durable. Enhance service period. ASTM, AISI, ASME, DIN, and JS are some standards considered during manufacturing fasteners. Available in standard sizes, length 10 mm to 3000 mm, diameter M2 to M100. Customers can buy different shapes and sizes of these fasteners according to their specific needs.

We test prominent pins using radiography, intergranular corrosion, flaring, flattening, positive material, and third-party inspections. These are also authorized by different international certifications, guaranteeing guaranteed quality. B7-2H Fasteners are packed in wooden boxes, cardboard boxes, or crates for safety. You can get exceptional results for your assemblies at the most affordable prices. 

b7-2h-fasteners

Contact Ratna Exports today for a best offer & competitive quotation Of B7-2H Fasteners

B7-2H Fasteners Specification

Product Name Hex Bolts
Material Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS420
Carbon Steel: 4.8, 6.8, 8.8, 10.9, 12.9
Titanium: GR1-GR5
Aluminum, Brass, etc.
Size M1.6-M39 Length: Up to 300mm
Head Type Flat, JIS pan, Oval, Round, Binding, I.HD, Brazier, PF. HD, Button, Fillister, Ansi.Pan, Pan washer, Indented Hex,  etc.
Standard ISO, GB, DIN, JIS, ANSI, BSW, ASME ASME B 18.2.1, IFI149, DIN931, DIN933, DIN558, DIN960, DIN961, DIN558, ISO4014, etc.
Grade SAE J429 Gr.2, 5,8; ASTM A307Gr.A, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9, etc.
Certificate ISO9001:2008, SGS testing report & RoHS
Screw Drivers Phillips, Slotted, Square, Crossed, Y-type, T-type, Torx, PZ drives, Hex socket, etc.
Finishing Zn- Plated, Ni-plated, Tin-Plated, Radiant Plated, Passivated, Brass plated, Cd- plated, Phosphate Anodize, Cr-plated, Black Oxide, etc.
Heat Treatment Tempering, Hardening, Spheroidizing, Stress Relieving,  etc.
Package General export package, or according to customer’s requirement
Delivery Time About 7 -15 days after all details are confirmed and able to offer fast delivery for urgent orders.
Customer Service Replacement at all our costs for rejected products if the part does not match with the PO drawings

types of B7-2H Fasteners

ASTM 193 B7-2H threaded fastener

ASTM 193 gr.B7-2H threaded fastener

ASTM 193 GR B7 2H Full Thread Studs

ASTM 193 GR.B7 2H Full Thread Studs

ASTM 193 B7-2H Fasteners

ASTM 193 GR.B7-2H Fasteners

ASTM A193 B7 2H Heavy Hex Nut Bolts

ASTM A193 gr.B7-2H Heavy Hex Nut Bolts

B7-2H Fasteners Chemical Composition

Element

B7 (AISI 4140)

Carbon

0.38 – 0.48%

Manganese

0.75 – 1.00%

Phosphorus, max

0.035%

Sulfur, max

0.040%

Silicon

0.15 – 0.35%

Chromium

0.80 – 1.10%

Nickel

 

Molybdenum

0.15 – 0.25%

 

Mechanical Properties of B7-2H Fasteners

GradeSizeTensile,  KSI, minYield, KSI, minElong, %, minRA % minHBWHRC
B7Up to 2-1/21251051650321 max35 max
2-5/8 – 4115951650
4-1/8 – 7100751850

Looking to buy B7-2H Fasteners From a manufacturer in India

Feel free to call or email us to explore how we can assist in growing your business. It would be our pleasure to collaborate with a valued client like you. Please Call On +91 9920228653 Or Mail Us On [email protected]

B7-2H Fasteners Equivalent Grades

  • YB 6 Grade 42CrMo
  •  GOST 4543 Grade 38KhM
  •  GOST 4543 Grade 40KhMFA
  •  GOST 4543 Grade 40KhFA
  •  GOST 8479 Grade 38KhM
  •  GOST 8479 Grade 40KhMFA
  •  GOST 8479 Grade 40KhFA
  •  AS G18 Grade En19A
  •  AS 1444 Grade 4140
  •  AS 1444 Grade 4140H
  •  AS G18 Grade En19
  •  NBN 253-02 Grade 41CrMo4
  •  NBN 253-02 Grade 42CrMo4
  •  NBN 253-06 Grade 41CrMo4
  •  EURONORM 119-3 Grade 42CrMo4KD
  • EN 10083-1 Grade 42CrMo4
  •  BDS 6354 Grade 40ChMA
  •  BDS 6550 Grade 40ChML
  •  CSN 415142 Grade 15142
  •  CSN 422843
  •  DIN 1652-4 Grade 42CrMo4
  •  DIN 1654-4 Grade 42CrMo4
  •  DIN 17204 Grade 42CrMo4
  •  DIN 17205 Grade GS-42CrMo4
  •  DIN 17212 Grade 41CrMo4
  •  SEW 550 Grade 42CrMo4
  •  SEW 835 Grade GS-42CrMo4
  •  EURONORM 119-4 Grade 42CrMo4KD
  •  EURONORM 83 Grade 42CrMo4
  •  EURONORM 86 Grade 41CrMo4

B7-2H Fasteners Torque

A193 Grade B7 Bolts Size

TPI

Proof Load (lbs)

Clamp Load (lbs)

Tightening Torque (ft-lbs)

Galv + Wax

Tightening Torque (ft-lbs)

Galv

Tightening Torque (ft-lbs)

Plain

1/4″

20

3,350

2,513

5

13

10

5/16″

18

5,500

4,125

11

27

21

3/8″

16

8,150

6,113

19

48

38

7/16″

14

11,150

8,363

30

76

61

1/2″

13

14,900

11,175

47

116

93

9/16″

12

19,100

14,325

67

168

134

5/8″

11

23,750

17,813

93

232

186

3/4″

10

35,050

26,288

164

411

329

7/8″

9

48,500

36,375

265

663

530

1″

8

63,650

47,738

398

995

796

 

B7-2H Fasteners Tensile Strength / Hardness Chart

Grade and Class Diameter Tensile Strength Min KSI Yield Strength 0.2% Offset KSI Elongation in 4D, Min, % Reduction of Area Min, % Hardness Max Brinell Hardness Max Rockwell
B7 to 2-1/2″ 125 105 16 50 C35
over 2-1/2 to 4.” 115 95 16 50 C35
Classes 1 and 1D: B8, B8M, B8P, B8LN, B8ML ALL 75 30 30 50 223 B96
Class 1: B8C, B8T ALL 75 30 30 50 223 B96
Class 1A: B8A, B8CA, B8MA, B8PA, B8TA, B8LNA, B8MLNA, B8NA, B8MNA, B8MLCuNA ALL 75 30 30 50 192 B90
Classes 1B & 1D: B8N, B8MN, B8MLCuN ALL 80 35 30 40 223 B96
Class 1C and 1D: B8R ALL 100 55 35 55 271 C28
Class 1C: B8RA ALL 100 55 35 55 271 C28
Classes 1C and 1D: B8S ALL 95 50 35 55 271 C28
Classes 1C: B8SA ALL 95 50 35 55 271 C28
Class 2: B8, B8C, B8P, B8T, B8N to 3/4″ 125 100 12 35 321 C35
over 3/4″ to 1.” 115 80 15 35 321 C35
over 1″ to 1-1/4″ 105 65 20 45 321 C35
over 1-1/4 to 1-1/2″ incl 100 50 28 45 321 C35
Class 2 B8M, B8MN, B8MLCuN to 3/4″ 110 96 15 45 321 C35
over 3/4″ to 1″ 100 80 20 45 321 C35
over 1″ to 1-1/4″ 95 65 25 45 321 C35
over 1-1/4 to 1-1/2″ incl 90 50 30 45 321 C35
Class 2B: B8, B8M2 to 2″ incl 95 75 25 40 321 C35
over 2″ to 2-1/2″ incl 90 65 30 40 321 C35
over 2-1/2 ” to 3″ incl 80 55 30 40 321 C35
Class 2C: B8M3 to 2″ incl 85 65 30 60 321 C35
over2″ 85 60 30 60 321 C35

Ready Stock Of B7-2H Fasteners

  • SA 193 b7
  • SA 193 b7 bolts
  • B7 studs and 2h nuts
  • ASTM A193 bolts
  • stud bolts B7
  • ASTM A193 B7 threaded rod
  • SA 193 gr B7 bolts
  • B7 bolts and nuts
  • bolts B7
  • ASTM a193 B7 stud
  • ASTM A193 B7
  • ASTM A193 grade B7
  • a193 gr B7 bolts
  • A193 b7 bolts
  • stud bolt A193 b7
  • A193 B7 threaded rod
  • A193 B7 studs
  • ASTM A193 grade B7 threaded rod
  • ASTM A193 B7 bolts
  • B7 studs material
  • A193 bolts
  • A193 B7m
  • B7m bolts
  • ASTM A193 B7m
  • A193 B7 material

Applications Industry B7-2H Fasteners