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Astm A193 Stainless Steel Bolts

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Comprehensive range of Stainless Steel Bolts in grades astm a193 grade b7, astm a193 grade 8m, astm a193 grade b16, astm a193 b16, astm a193 b7m, astm a193 b8, astm a193 grade b6, astm a193 b7 in india

25 years of world class manufacturing of stainless steel bolts , renowed & trusted manufacturer, exporter in india of astm a193 grade b7 bolts, astm a193 grade b16 bolts, astm a193 grade b7m bolts, astm a193 grade b8 bolts, astm a193 grade b6 bolts, astm a193 grade b5 bolts

 

Astm A193 Stainless Steel Bolts
Astm A193 Stainless Steel Bolts

The specification for ASTM A193 covers alloy and stainless steel bolting for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications. The ASTM A193 specification covers bars, bolts, screws, studs, stud bolts, and wire. The material may be further processed by centerless grinding or by cold drawing. Below are some of the ASTM A193 grades used commonly by Technical Metal Corporation

Originally approved in 1936, this specification is heavily utilized in petroleum and chemical construction applications. The ASTM standard covers alloy steel and stainless steel bolting materials for high temperature or high pressure service. This specification includes fasteners intended for use in pressure vessels, valves, flanges, and fittings. Although, this material is often available in national coarse (UNC) thread pitches, if being used in traditional applications, threads are specified 8 threads per inch (tpi) for diameters above one inch.

 

Common ASTM A193 grades used by Technical Metal Corporation

ASTM A193 B7     
   
Alloy steel, AISI 4140 or 4142, quenched and tempered
ASTM A193 B6 
 
Stainless steel, AISI 410, heat treated
ASTM A193 B8      
Class 1 Stainless steel, AISI 304, carbide solution treated.
ASTM A193 B8M 
 
Class 1 Stainless steel, AISI 316, carbide solution treated.
ASTM A193 B8 Class 2 
Stainless steel, AISI 304, carbide solution treated, strain hardened
ASTM A193 B8M Class 2 
Stainless steel, AISI 316, carbide solution treated, strain hardened
ASTM A193 B8T 
Class 1 or 2 Stainless steel, AISI 321, with additional element of Titanium
ASTM A193 B16 
Chromium-Molybdenum-Vanadium, similar to B7 with Vandium added
ASTM A193 B7M 
 
Similar properties as B7 but with specialized heat treating to create differing mechanical properties
ASTM A193 B8R 
Stainless steel, AISI 209, also known as Nitronic 50, nitrogen strengthened
ASTM A193 B8S     
Stainless Steel, AISI 218, also known as Nitronic 60, nirtrogen strengthened

 

         

Astm A193 Stainless Steel Bolts Mechanical Requirements

         

Grade
Description
Diameter
Tensile Strength, min.
Yield Strength, min.
Hardness, max.
Marking
ASTM A193 B6
S41000 (410)
Up to 4”
110
85
B6
ASTM A193 B7
Chromium-Molybdenum
2 1/2” and under
125
105
321 HB or 35 HRC
B7
over 2 1/2” to 4”
115
95
321 HB or 35 HRC
over 4” to 7”
100
75
321 HB or 35 HRC
ASTM A193 B7M
Chromium-Molybdenum
4” and under
100
80
235 HB or 99 HRB
B7M
over 4” to 7”
100
75
235 HB or 99 HRB
ASTM A193 B16
Chromium-Molybdenum- Vanadium
2 1/2” and under
125
105
321 HB or 35 HRC
B16
over 2 1/2” to 4”
110
95
321 HB or 35 HRC
over 4” to 8”
100
85
321 HB or 35 HRC
ASTM A193 B8 class 1
S30400 (304)
all
75
30
223 HB or 96 HRB
B8
ASTM A193 B8 class 2
S30400 (304)
3/4” and under
125
100
321 HB or 35 HRC
B8SH
over 3/4” to 1”
115
80
321 HB or 35 HRC
over 1” to 1 1/4”
105
65
321 HB or 35 HRC
over 1 1/4” to 1 1/2”
100
50
321 HB or 35 HRC
ASTM A193 B8C class 1
S34700 (347)
all
75
30
223 HB or 96 HRB
B8C
ASTM A193 B8C class 2
S34700 (347)
3/4” and under
125
100
321 HB or 35 HRC
B8CSH
over 3/4” to 1”
115
80
321 HB or 35 HRC
over 1” to 1 1/4”
105
65
321 HB or 35 HRC
over 1 1/4” to 1 1/2”
100
50
321 HB or 35 HRC
ASTM A193 B8M class 1
S31600 (316)
all
75
30
223 HB or 96 HRB
B8M
ASTM A193 B8M class 2
S31600 (316)
3/4” and under
110
95
321 HB or 35 HRC
B8MSH
over 3/4” to 1”
100
80
321 HB or 35 HRC
over 1” to 1 1/4”
95
65
321 HB or 35 HRC
over 1 1/4” to 1 1/2”
90
50
321 HB or 35 HRC
ASTM A193 B8T class 1
S32100 (321)
all
75
30
223 HB or 96 HRB
B8T
ASTM A193 B8T class 2
S32100 (321)
3/4” and under
125
100
321 HB or 35 HRC
B8TSH
over 3/4” to 1”
115
80
321 HB or 35 HRC
over 1” to 1 1/4”
105
65
321 HB or 35 HRC
over 1 1/4” to 1 1/2”
100
50
321 HB or 35 HRC
ASTM A193 B8R
S20910
all
100
55
271 HB or 28 HRC
B8R
ASTM A193 B8S
S21800
all
95
50
271 HB or 28 HRC
B8S

 

Astm A193 Stainless Steel Bolts Chemical Requirements

Element
B7 (AISI 4140)
B8 (AISI 304)
B8M (AISI 316)
Carbon
0.37 - 0.49%
0.08% max
0.08% max
Manganese
0.65 - 1.10%
2.00% max
2.00% max
Phosphorus, max
0.035%
0.045%
0.045%
Sulfur, max
0.040%
0.030%
0.030%
Silicon
0.15 - 0.35%
1.00% max
1.00% max
Chromium
0.75 - 1.20%
18.0 - 20.0%
16.0 - 18.0%
Nickel
8.0 - 11.0%
10.0 - 14.0%
Molybdenum
0.15 - 0.25%
2.00 - 3.00%

 

 

Astm A193 Stainless Steel Bolts Recommended Hardware

Bolt Grade
B7
F436
B8 Class 1
SS304
B8M Class 1
SS316
B8 Class 2
SS304
B8M Class 2
SS316

 

Astm A193 Stainless Steel Bolts Applications

The high-temperature, high-pressure performance of these bolts and nuts make them suitable for applications in process industries, such as petroleum and chemicals where they are widely used in pressure vessels, valves, flanges, and fittings.

 

Ready Stock Of Following At Fatory Price

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Find Our Dealer & Distributors Of Astm A193 Stainless Steel Bolts In Following Countries & Cities

To buy Astm A193 Stainless Steel Bolts At best price & urgent delivery please mail to sales@technicalmetalcorp.com, As we have Our Dealer, distributors & direct sales representatives in below countries who will help you to buy Astm A193 Stainless Steel Bolts & will resolve your queries

Cities We Deliver Astm A193 Stainless Steel Bolts

Bengaluru(Karnataka)
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Jeddah(Saudi Arabia)
Noida(Uttar Pradesh)
New York(United States)
Bangkok(Thailand)
Doha(Qatar)
Riyadh(Saudi Arabia)
Sydney(South Wales)

 

 

Countries We Deliver Astm A193 Stainless Steel Bolts

 
Pakistan
Chile
Spain
Mongolia
France
Afghanistan
Serbia
 
Taiwan
Switzerland
Chile
New Zealand
Ghana
Sweden
Denmark
Poland
Algeria
Slovakia
 
Hungary
Portuga
Angola
Argentina
Austria
Azerbaijan
China
Bangladesh
Belgium
Bhutan
Gabon
Bolivia
Bulgaria
Hong Kong
Finland
Greece
Italy
Yemen
Japan
Thailand

 

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