Are any specific heat treatment processes involved in ASTM A193 B7 threaded rod manufacturing?

These fasteners are popular for additional support and security in industrial applications. An ASTM A193 B7 threaded rod uses chromium-molybdenum steel and gets produced via hot or cold forging or machining from bar stock.

The manufacturing process of a stud bolt A193 B7 involves quenching and tempering as necessary heat treatments, performed at 1150°F. These procedures provide additional strength and corrosion resistance to SA 193 grade B7 studs.

SA 193 grade b7 studs manufacturer in India

ASTM A193 B7 threaded rod manufacturer in india

We are verified supplier of A193 b7 studs and all thread rod in Mumbai, so don’t worry, request quote and get price list

What are the available sizes and lengths of A193 B7 studs?

These rods can be longer than other fasteners and are best for handling tension from rotational movement. The standard sizing for A193 B7 studs is ¼ to 2 ½ inches. Clients can order these rods with fine, extra-fine, or coarse threading.

Selecting accurate dimensions for fasteners is imperative to avoid fatigue (mechanical or thermal) and potential risks like leakage. Hilton Steel can deliver a customised A193 B7 stud bolt to fulfil specific buyer requirements.

ASTM A193 B7 threaded rod

ASTM A193 B7 Threaded Rod

SA 193 grade B7 studs

SA 193 Grade B7 Studs

A193 B7 Studs

A193 B7 Studs

As stud bolt A193 b7 stockist, we offer SA 193 gr b7 fully threaded studs which is demanded for used in medium-high temperature applications

ASTM A193 B7 threaded rod specifications

ASTM A193 B7 threaded rod specifications

Length Hardness Diameter Specifications
1′ to 12′ 26HRC 2-56 to 2″ ASTM A193 / ASME SA193
Finishes Threads Types Application
  • Yellow Zinc Plated
  • Clear Zinc Plated
  • Plain / Oil
  • Black Oxide
  • Hot Dip Galvanized
  • Nickel Plated
  • Acme
  • Fine (right & left hand)
  • Coarse (right & left hand)
  • Metric
  • Single-End
  • Fully-Threaded /All-Thread
  • Double-End
  • Automotive industry
  • DIY building projects
  • Home and Farm Repairs
  • Fire sprinkler installation
  • Hanger rod for HVAC
Yield Strength Tensile Strength Brinnell Hardness System of Measurement
135,000 PSI 155,000 PSI 321 BHN
  • Imperial (Inch)
  • Metric
Are any surface treatment options available for the ASTM A193 grade B7 studs, such as plating or coating?

These durable fasteners have good corrosion resistance and hardness (35HRC). Customers can also request special protective coating for ASTM A193 grade B7 studs based on their requirements. For example, zinc-nickel plating and anodising are standard options for enhanced durability.

SA 193 grade B7 studs can also undergo hot-dip galvanisation or other mechanically applied coatings specified by the buyer. Black oxide plating on B7 all thread can also safeguard against corrosion.

If you want ASTM A193 grade b7 threaded rod and double end stud for critical application, you can depend on us, we will complete your project need
Are there any load or strength considerations when selecting an ASTM A193 Gr B7 stud bolt for specific applications?

An ASTM A193 Gr B7 stud bolt has extensive threading that can extend along its complete length. The minimum tensile rating is 860 Mpa; it has a yield strength of 720 Mpa.

Thus, customers can conveniently use an A193 B7 stud bolt for applications demanding greater robustness.
We recommend evaluating the following while picking a B7 all thread for your requirement:

  • Impact toughness
  • Ductility
  • Exposure to environmental stressors like high-pressure
  • Testing for tensile strength, hardness, and corrosion resistance (as stated in the MTC)

Exercising caution while picking a suitable ASTM A193 Gr B7 stud bolt will reduce risks of catastrophic failures and safety hazards to the personnel or the infrastructure.

Types of A193 B7 threaded rod

Stud Bolt A193 B7

Stud Bolt A193 B7

  • Coatings: Yellow Zinc Plated, Clear Zinc Plated, Plain / Oil
  • Tensile strength: 155,000 PSI

B7 All Thread

B7 All Thread

  • Temperature range: up to 450°C (840°F)
  • Hardness :321 BHN

 A193 Grade B7 Studs

A193 Grade B7 Studs

  • Length: 1′ to 12
  • Diameter:2-56 to 2″
How is an A193 B7 threaded rod designed and manufactured to withstand the challenges of NACE Sour Service environments?

This specification covers fasteners for high-temperature applications, including pressure vessels and boilers. SA 193 Gr B7 fully threaded studs work in chemical processing plants, petroleum refineries, construction, and gas exploration or production.

ASTM A193 grade B7 studs can handle the NACE requirements (National Association of Corrosion Engineers) for sour gases, like NACE MR0103 or MR0175. The corrosion resistance of A193 GRB7 threaded studs covers gases with high amounts of hydrogen sulfide (H2S) in gaseous or aqueous form.

SA 193 Gr B7 fully threaded studs can also endure temperatures up to 450°C.

Tensile stress areas and threads per inch
Nominal Size, inch. UNF- Fine Threads UNC -Coarse Threads 8UN -8 Thread Series
Stress AreaA, in2 Threads / inch Stress AreaA, in2 Threads / inch Stress AreaA, in2 Threads / inch
3/18 0.0878 24 0.0775 16
7/16 0.1187 20 0.1063 14
1 1/2 1.5810 12 1.4050 6 1.49 8
5/16 0.0580 24 0.0524 18
1/2 0.1599 20 0.1419 13
1/4 0.0364 28 0.0318 20
5/8 0.2560 18 0.2260 11
9/16 0.2030 18 0.1820 12
3/4 0.3730 16 0.3340 10
1 0.6630 12 0.6060 8
7/8 0.5090 14 0.4620 9
1 1/4 1.0730 12 0.9690 7 1.000 8
1 1/8 0.8560 12 0.7630 7 0.790 8
1 3/8 1.3150 12 1.1550 6 1.233 8
SA 193 grade b7 threaded rod weight chart
TUBE QUANTITIES STOCKED LENGTHS (L) IN INCH STOCKED DIAMETERS (D) IN INCH WEIGHT LBS/FT
25 6, 3 8 to 32 .054
25 6, 3 6 to 32 .036
25 6, 3 10 to 32 .075
25 6, 3 10 to 24 .069
35 2, 6, 3, 12, 10 5/16 to 18  .193
50 2, 6, 3, 12, 10 1/4″ to 20 .119
17 2, 6, 3, 12, 10 7/16 to 14 .392
25 2, 6, 3, 12, 10 3/8 to 16  .284
12 2, 6, 3, 12, 10 1/2 to 13 .520
8 2, 6, 3, 12, 10 5/8 to 11 .826
10 2, 6, 3, 12, 10 9/16 to 12 .666
5 2, 6, 3, 12, 10 3/4 to 10 1.214
2 2, 6, 3, 12, 10 1 to 8 2.199
4 2, 6, 3, 12, 10 7/8 to 9 1.672
1 2, 6, 3, 12, 10 1 to 1/8 to 7 2.776
1 2, 6, 3, 12, 10 1 to 3/8 to 6 4.196
1 2, 6, 3, 12, 10 1 to 1/4 to 7 3.498
1 2, 6, 3, 12, 10 1 to 3/4 to 5 6.886
1 2, 6, 3, 12, 10 1 to 1/2 to 6 5.075
1 2, 6, 3, 12, 10  2 to 4 to 1/2 9.050
ASTM A193 grade b7 threaded rod marking
Mark of Manufacturer’s Marking Of Grade
Hilton Steel B7
Sizes of ASTM A193 B7 threaded rod
National coarse (inches)
2 (4-1/2) 9/16 (12) 1/4 (20) 1-1/8 (7)
2-1/4 (4-1/2) 5/8 (11) 5/16 (18) 1-1/4 (7)
2-1/2 (4) 3/4 (10) 3/8 (16) 1-3/8 (6)
7/8 (9) 7/16 (14) 1-1/2 (6)
1 (8) 1/2 (13) 1-3/4 (5)

 

National fine (inches)
5/8 (18) 5/16 (24) 1-1/4 (12)
9/16 (18) 1/4 (28) 1-1/8 (12)
7/8 (14) 7/16 (20) 1-1/2 (12)
3/4 (16) 3/8 (24) 1-3/8 (12)
1 (12, 14) 1/2 (20) 2 (12)

 

Eight pitch series (inches)
1-1/4 (8) 1-3/4 (8)
1-1/8 (8) 2-1/8 (8) 1-5/8 (8)
1 (8) 2 (8) 1-1/2 (8)
1-3/8 (8) 1-7/8 (8)
Dimensions of stud bolt A193 B7
NPS No. Of Bolts Length (RF) DIA bolts (in) Length (RTJ)
3/4 4 65 1/2
1/2 4 55 1/2
1-1/4 4 70 1/2 85
1 4 65 1/2 75
1-1/2 4 70 1/2 85
2-1/2 4 90 5/8 100
2 4 85 5/8 95
3 4 90 5/8 100
4 8 90 5/8 100
3-1/2 8 90 5/8 100
5 8 95 3/4 110
8 8 110 3/4 120
6 8 100 3/4 115
10 12 115 7/8 125
14 12 135 1 145
12 12 120 7/8 135
16 16 135 1 145
20 20 160 1-1/8 170
18 16 145 1-1/8 160
24 20 170 1-1/4 185
Standards of B7 all thread
ISO DIN ASME UNI
Metric Imperial
975 B18.31.4M B18.31.3
Application of SA 193 Gr b7 fully threaded studs
  • Manufacturing and production fields
  • Home and Farm Repairs
  • Fabricating trades
  • Fire sprinkler installation
  • Automotive industry
  • DIY building projects
  • Hanger rod for HVAC
A193 b7 acme threaded rod sizes
Thread Pitch Diameter (IN) Alternate Pitch
10 1/2
12 3/8
4 1-1/2 5
6 3/4 8
8 5/8 6
5 1 4, 6, 8
6 7/8
5 1-1/4 4
Get here complete information of A193 B7 stud bolt and threaded studs including chemical composition and mechanical properties
What is the material composition of an A193 B7 double end stud?

An A193 B7 double end stud has threading of the same length at both ends and features an unthreaded region in the middle. The core advantage of A193 B7 studs is enhanced strength and security of bolting.
The composition of an A193 B7 double end stud includes chromium (0.80 to 1.10%), molybdenum (up to 0.25%), and phosphorus.

These fasteners also include silicon, sulfur, and carbon in trace amounts. Manganese is present in 0.75 to 1.00% and contributes to the tensile strength of the stud bolt A193 B7.

ASTM A193 gr B7 stud bolt chemical composition
Carbon Manganese, maximum Phosphorus, maximum Silicon Sulfur, maximum Molybdenum Chromium
0.08-0.15 1.00 0.040 1.00 maximum 0.030 0.15-0.25 11.5 – 13.5
A193 B7 double end stud mechanical properties
Grade Yield Strength Dia Tensile Strength Elongation Hardness Reduction
Grade B7 720 M64 and under 860 16 35 HRC or 321 HBW 50
655 Over M64 to M100 795 16 35 HRC or 321 HBW 50
515 Over M100 to M180 690 18 35 HRC or 321 HBW 50
A193 B7 stud bolt recommanded hardware
Bolting Grade Washer Grade Nut Grade
A193 Grade B7 ASTM F436 A194 Grade 2H, 2HM
A193 gr B7 threaded studs raw material
Grade Raw Material Descriptions
A193 Grade B7 Chromium Molybdenum AS, Quenched & Tempered