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ASTM A193 Grade B8 Class 2 Heavy Hex Bolts Stainless Steel 304
ASTM A193 Grade B8 Class 2 Heavy Hex Bolts Stainless Steel 304
ASTM A193 Grade B8 Class 2 Heavy Hex Bolts Stainless Steel 304
ASTM A193 Grade B8 Class 2 Heavy Hex Bolts Stainless Steel 304
ASTM A193 Grade B8 Class 2 Heavy Hex Bolts Stainless Steel 304
ASTM A193 Grade B8 Class 2 Heavy Hex Bolts Stainless Steel 304
Specifications
Brand Name :
PM
Model Number :
M6-M64, 1/4"-4"
Certification :
ISO
Place of Origin :
CHINA
MOQ :
100PCS
Price :
USD 0.001-3 PER PCS
Payment Terms :
L/C, T/T
Supply Ability :
1000tons per month
Delivery Time :
15-25DAYS PER CONTAINER
Packaging Details :
25kgs/carton and 36 cartons on standard export wooden pallets
Material :
A193 Grade B8
Diameter :
3/4"
Thread :
UNC
Thread Standard :
ASME B1.1 Class 2A
Finish :
Plain
Length :
70mm
Mark :
Manufacturer's ID and B8
Product name :
ASTM A193 Grade B8 class 2 Stainless steel 304 Heavy hex bolt
Description

ASTM A193 Grade B8 class 2 Stainless steel 304 Heavy hex bolt

Heavy hex bolts are generally specified for high temperature or high pressure applications, particularly where bolt heads will bear against flanges. Standard diameters are 1/2″ and larger. The main difference between a heavy hex bolt and a regular (or finished) hex bolt is the distance across opposite flats of the hex. Heavy hex bolts are 1/8 of an inch larger than a finished hex bolt of the same diameter. The formula for determining hex size is one-and-a-half times the diameter plus 1/8″.

ASTM A193 Grade B8 Class 2 Heavy Hex Bolts Stainless Steel 304

A193 Grade B7: Alloy steel, AISI 4140 / 4142 quenched and tempered.

A193 Grade B8, Class 1: Stainless steel, AISI 304, carbide solution treated.

A193 Grade B8, Class 2: Stainless steel, AISI 304, carbide solution treated, strain hardened.

A193 Grade B8M, Class 1: Stainless steel, AISI 316, carbide solution treated.

A193 Grade B8M, Class 2: Stainless steel, AISI 316, carbide solution treated, strain hardened.

A193 Grade B16: Alloy steel, chromium-molybdenum-vanadium, quenched and tempered.

NOTE: There are other grades of A193. Those listed here are the ones we receive the most requests for.For information on other types, please contact us.

SIZE: 1/4" - 5", M6 -M100. And 600mm Max length.

THREAD: ASME B1.1 , UNC, UNF, CLASS 2A

FINISHED: Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Dacromet, H.D.G.

A193 MECHANICAL PROPERTIES
Grade Size Tensile, ksi, min Yield, ksi, min Elong. % min RA min HBW, max HRC, max
B7 up to 2-1/2" 125 105 16 50 321 35
2-5/8" - 4" 115 95 16 50
4-1/8" - 7" 100 75 18 50
B8 Class 1 all 75 30 30 50 223 35
B8 Class 2 up to 3/4" 125 100 12 35 321 35
7/8" - 1" 115 80 15 35
1-1/8" - 1-1/4" 105 65 20 35
1-3/8" - 1-1/2" 100 50 28 45
B8M Class 1 all 75 30 30 50 223 96
B8M Class 2 up to 3/4" 110 95 15 45 321 35
7/8" - 1" 100 80 20 45
1-1/8" - 1-1/4" 95 65 25 45
1-3/8" - 1-1/2" 90 50 30 45
B16 under 2-1/2" 125 105 18 50 321 35
over 2-1/2" - 4" 110 95 17 45
over 4" - 8" 100 85 16 45

A193 CHEMICAL PROPERTIES
Element Grade B7 Grade B8 Grade B8M Grade B16
Carbon 0.37 - 0.49% 0.08% max 0.08% max 0.36 - 0.47%
Manganese 0.65 - 1.1% 2.0% max 2.0% max 0.45 - 0.7%
Phosphorus, max 0.04% 0.05% 0.05% 0.04%
Sulfur, max 0.04% 0.03% 0.03% 0.04%
Silicon 0.15 - 0.35% 1.0% max 1.0% max 0.15 - 0.35%
Chromium 0.75 - 1.2% 18.0 - 20.0% 16.0 - 18.0% 0.8 - 1.15%
Nickel 8.0 - 11.0% 10.0 - 14.0%
Molybdenum 0.15 - 0.25% 2.0 - 3.0% 0.5 - 0.65%
Vanadium 0.25 - 0.35%
Aluminum, max 0.02%

A193 RECOMMENDED HARDWARE
Grade Nut Washer
B7 A194 Grade 2H F436
B8 Class 1 A194 Grade 8 304 Stainless
B8 Class 2 A194 Grade 8 304 Stainless
B8M Class 1 A194 Grade 8M 316 Stainless
B8M Class 2 A194 Grade 8M 316 Stainless
B16 A194 Grade 7 F436
Product tags

a2 70 stainless steel bolt

,

304 stainless steel bolts

,

a2 stainless steel bolts
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ASTM A193 Grade B8 Class 2 Heavy Hex Bolts Stainless Steel 304

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Product Detail
Brand Name :
PM
Model Number :
M6-M64, 1/4"-4"
Certification :
ISO
Place of Origin :
CHINA
MOQ :
100PCS
Price :
USD 0.001-3 PER PCS
Contact Supplier
ASTM A193 Grade B8 Class 2 Heavy Hex Bolts Stainless Steel 304
ASTM A193 Grade B8 Class 2 Heavy Hex Bolts Stainless Steel 304
ASTM A193 Grade B8 Class 2 Heavy Hex Bolts Stainless Steel 304

Shanghai Powermax Fastener Co., Ltd.

Active Member
5 Years
shanghai, shanghai
Since 2008
Business Type :
Manufacturer, Trading Company
Main Products :
Threaded Stud Bolt, Heavy Hex Bolts, Hex Flange Bolts
Total Annual :
9000000-10000000
Certification Level :
Active Member
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