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ASTM A193 B8 Bolt

ASTM A193 B8 Bolt

ASTM A193 B8 Bolts

Product Name

a193 b8 b8m srud bolt and a194 gr.8 8m nut for high speed railways, a193 b8 b8m srud bolt and a194 gr.8 8m nut, button head allen bolt, button head allen screw, Stud Bolt ASTM A193 B8 SS316, Stainless Steel SS304 ASTM A193 B8 Hex Heavy Bolt Asme/ANSI B 18.2.1

Material Stainless steel:A2-70, A2-80, A4-70, A4-80

Process Method

Cold forming / cold forging & hot forging

Size

Diameter M8-M52 (5/16″-2″ ), length 40mm-500mm (1-1/4″-20″ )

Bolt type

Round head, hex head, square head, allen head, hexagon socket head, ect.

Standard

ASTM A307M/ 325M/ 490M, F1852, F2280, DIN931/ DIN933/ 930/ 961/ 960/ 6914

Surface

Black, Phosphating and Saponification, HDG, hot dip galvanized, dacromet etc

Grade

4.8, 6.8, 8.8S, 10.9S, 12.9S

Size Tolerance 

+/- 2.5%~-2.5%

WT Tolerance

+/- 2.5%~2.5%

Tensile Strength

400~830 MPa /830~1030 MPa/1040~1240 MPa

Head type

Round head, hex head, square head, allen head, hexagon socket head, ect.

Packaging

Carton box + wooden pallet or tin containers + wooden pallet or as customer’s request

Tech. Standard Material Grade Size Finish
Thread rod DIN/ ASTM 1008 GB Standard 4.8 Grade 
ASTM Standard Grade2
M2- M120
1/2-5″
ZINC, HDG, Black
Hs3404 ASTM A193/ A193M GB Standard
40Cr 35CrMo 25CrMoVA 
0Cr18Ni9, 0Cr17Ni12Mo2 etc
ASTM standard
Alloy and stainless steel
GB standard
Grade 8.8, 10.9, 12.9 A2-70, A4-70
ASTM Standard
B5, B7, B7M, B8, B8M, B16 L7, L7M, BC, BD, 660A, 660B, 651A, 651B
GB standard
M12- M120
ASTM Standard
1/2-5″
Black, zinc plated HDG, Cadmium
Plated, Dacromet, Passivation
Teflon (PTFE, FEP PFA ETFE)
HG/T20634 ASTM A320/ A320M
HG/T20613 ASTM A354
JB/T4707 ASTM A453
SH3404 ASTM A194/ 194M GB Standard
40Cr, 35CrMo, 25CrMoVA, 0CR18Ni9, 45#, 0Cr17Ni12Mo2
ASTM Standard
Alloy and stainless steel
GB Standard
Grade8, 10, A2-70, A4-80
ASTM Standard
660A 660B 651A, 651B 2H, 2HM, 4, 6.7, 8, 16O, A, B, C, D, DH
GB or DIN standard
M12- M120
ASTM Standard
1/2-5″
Black, zinc plated HDG, Cadmium
Plated, Dacromet, Passivation
Teflon (PTFE, FEP PFA ETFE)
HG/T20613 ASTM A563/ 563M
HG/T20634  
HG/T21573.3  
   

A193 Grades

  • 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

A193 Mechanical Properties

Grade Size Tensile ksi, min Yield, ksi, min Elong, %, min RA % min HBW HRC
B7 Up to 2-1/2 125 105 16 50 321 max 35 max
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 max 35 max
B8M Class 1 All 75 30 30 50 223 max 96 max
B8 Class 2 Up to 3/4 125 100 12 35 321 max 35 max
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 2 Up to 3/4 110 95 15 45 321 max 35 max
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

Grade Size Tensile ksi, min Yield, ksi, min Elong, %, min RA % min HBW HRC
B8M Class 1 All 75 30 30 50 223 max 96 max
B8M Class 2 Up to 3/4 110 95 15 45 321 max 35 max
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

A193 Chemical Properties

Element B7 (AISI 4140) B8 (AISI 304) B8M (AISI 316)
Carbon 0.38 – 0.48% 0.08% max 0.08% max
Manganese 0.75 – 1.00% 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 0.80 – 1.10% 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%

A193 Recommended Hardware

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

Heat treated conditions for the ferritic materials include:

  • normalized & tempered
  • quenched & tempered.

Heat treated conditions for the austentic stainless steels include:

  • Carbide solution treated (Class 1)
  • Carbide solution treated after finishing (Class 1A)
  • Carbide solution treated nitrogen-bearing stainless steels (Class 1B & 1C)
  • Carbide solution treated by cooling rapidly from the rolling temperature (Class 1D)
  • Carbide solution treated and Strain-hardened (Classes 2, 2B, and 2C)

ASTM A193 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
B5 up to 4″ incl 100 80 16 50
B6 up to 4″ incl 110 85 15 50
B6X up to 4″ incl 90 70 16 50 C26
B7 to 2-1/2″ 125 105 16 50 C35
over 2-1/2 to 4″ 115 95 16 50 C35
over 4″ to 7″ 100 75 18 50 C35
B7M up to 4″ incl 100 80 18 50 235 B99
over 4″ to 7″ 100 75 18 50 235 B99
B16 to 2-1/2″ 125 105 18 50 321 C35
over 2-1/2″ to 4″ 110 95 17 45 321 C35
over 4″ to 7″ 100 85 16 45 321 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

ASTM A193 Characteristics

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 B8 Bolts Price in India

  • B7 L7 L7m Black Stud Bolt and 2h Nut Stainless Steel ASTM A193 B8 B8m Ss304 Ss316 Stud Bolt with Heavy Hex Nut (M4-M100)
    Price: US $0.1-10 / Bag
    1 Bag (Min. Order)
  • M6-M100 304 stainless steel astm a193 b8 stainless steel stud bolt and nut
    Price: US $0.1-1 / Piece
    1 Piece (Min. Order)
  • stainless steel b8 b8m stud bolt nuts astm a193 galvanized
    Price: US $800-1600 / Ton
    900 Tons (Min. Order)
  • Stainless Steel SS304 ASTM A193 B8 Hex Heavy Bolt Asme/ANSI B 18.2.1
    Price: US $0.12-0.5 / Piece
    1000 Pieces (Min. Order)
  • Stud Bolt ASTM A193 B8 SS316
    Price: US $0.01-0.1 / Piece
    1000 Pieces (Min. Order)
  • ASTM A193 B8 stainless steel stud bolt and nut
    Price: US $0.01-0.5 / Piece
    1000 Pieces (Min. Order)
  • astm a193 b8/b8m hex bolt and nut
    Price: US $0.01-0.1 / Piece
    1 Piece (Min. Order)
  • ASTM ASME/ANSI B 18.31.2 A193 B8 Double Thread End Stud Bolt
    Price: US $0.005-0.1 / Piece
    500 Pieces (Min. Order)
  • Cheap Price Stainless Steel B8 B8M Stud Bolt Astm A193 On Stock
    Price: US $0.6-1.1 / Piece
    8000 Pieces (Min. Order)
  • ASTM A193 B6 B8 B8m B7 B7m DIN975 full thread galvanized bolt and nut
    Price: US $0.6-1.8 / Piece
    5000 Pieces (Min. Order)
  • ASTM 193 GRADE B7/B7M/B8/B8M/B8C/B8T/ B16 STUD BOLT, THREAD ROD
    Price: US $35.0 / Pieces
    10 Pieces (Min. Order)
  • Specializing in the production of high-quality 304 b8 stud bolts and nuts
    Price: US $0.01-2 / Piece
    1000 Pieces (Min. Order)
  • ASTM A193 grade b7 stud bolt with 2h nut
    Price: US $0.01-1 / Piece
    100 Pieces (Min. Order)
  • ASTM A193 B8/B8M/B16/B16M Stud Bolts/bolt
    Price: US $0.15-6.59 / Set
    1000 Sets (Min. Order)
  • High strength double end stud stud bolt 10.9s 12.9s 8.8s flange stud bolt
    Price: US $0.01-0.1 / Piece
    1000 Pieces (Min. Order)
  • AISI 304/316 ASTM a193 b8/b8M hex bolt
    Price: US $0.01-0.1 / Piece
    1 Piece (Min. Order)
  • Carbon steel ASTM A193 double Ends Threads Stud Bolt
    Price: US $1-20 / Kilogram
    10 Kilograms (Min. Order)
  • A193 GR.B8 Full Stud Bolts No China
    Price: US $0.01-0.09 / Piece
    8000 Pieces (Min. Order)
  • 3/4 inch Stainless steel A193 B8 Thread rod / stud bolt
    Price: US $600-1400 / Ton
    0.5 Tons (Min. Order)
  • Stud Bolt DIN975/ASTM A193 B7/ B7M/B8/B8M
    Price: US $399-799 / Ton
    5 Tons (Min. Order)
  • ASTM A193 B7 B8 B8M Stainless Steel 18-8 Stud Bolts
    Price: US $0.01-1 / Piece
    2000 Pieces (Min. Order)
  • Stainless Steel Stud Bolt Astm A193 Gr B8
    Price: US $0.01-0.5 / Piece
    2000 Pieces (Min. Order)
  • High strength ASME/ANSI B 18.2.1 Astm A325 A193 B8 1/2” 2” stainless steel Heavy hex bolts and nut
    Price: US $0.005-0.1 / Piece
    500 Pieces (Min. Order)
  • ASTM A193 GRB7 B8 B16 B8M B8T B8C HEX BOLT STUD BOLT
    Price: US $1.9-2.1 / Pieces
    50 Pieces (Min. Order)
  • A193 ASTM B8 stainless steel SS round head ribbed neck carriage bolt
    Price: US $0.015-0.25 / Piece
    500 Pieces (Min. Order)
  • Best quality Stainless steel GH145 Material thread rod/ Stud bolt
    Price: US $500-700 / Ton
    1 Ton (Min. Order)
  • High Temperature Service ASTM A193 B7 threaded rod nut and bolt
    Price: US $0.02-250 / Piece
    1 Piece (Min. Order)
  • Hex Full Thread Tunnel T Furniture Aisi 316 Oval Neck Carriage Astm A193 B8 Stainless Steel Stud Bolt And Nut
    Price: US $0.001-10 / Piece
    1000000 Pieces (Min. Order)
  • LEITE Stainless Steel B8 B8M Stud Bolt Astm A193
    Price: US $0.01-0.02 / Piece
    1000 Pieces (Min. Order)
  • High strength ASME/ANSI B 18.2.1 Astm A325 A193 B8 1/2” 2” stainless steel Heavy hex bolts and nut
    Price: US $0.05-5 / Piece
    100 Pieces (Min. Order)
  • stainless steel b8 b8m hdg astm a193 b7 full thread stud bolt
    Price: US $800-1600 / Ton
    0.9 Tons (Min. Order)
  • ASTM A193 / ASTM A193M Grade B8, B8A stud bolt astm a193 b8
    Price: US $0.05-0.09 / Piece
    1 Piece (Min. Order)
  • ASTM A193 B6 B8 B8m B7 B7m DIN975 full thread stud bolt
    Price: US $0.6-1.8 / Piece
    5000 Pieces (Min. Order)
  • M14 Yellow Zinc-plated ASTM A193 B8 Stud Bolt
    Price: US $0.15-25 / Piece
    100 Pieces (Min. Order)
  • stainless steel astm a193 b8 cap stud bolt
    Price: US $800-1600 / Ton
    0.9 Tons (Min. Order)
  • Teflon ASTM a193 b8 bolt
    Price: US $0.2-10 / Piece
    1 Piece (Min. Order)
  • ASTM A193 High Strength B8 Stud Bolts
    Price: US $1500-2500 / Ton
    300 Tons (Min. Order)
  • No China stainless steel b8 b8m stud bolt astm a193
    Price: US $0.001-8 / Piece
    1000 Pieces (Min. Order)
  • Hot selling M10-M60 stud bolt astm a193 b8 bolt
    Price: US $0.1-5 / Piece
    100 Kilograms (Min. Order)
  • Stud Bolts ASTM A193 B8 Ss304 Ss316 Stud bolt High Strength Double End Stud Bolts DIN 835
    Price: US $0.28-0.3 / Pieces
    1000 Pieces (Min. Order)
  • astm a193 b8 bolt m24x1.5 bolt
    Price: US $0.1-100 / Piece
    1 Piece (Min. Order)
  • High qulity? stainless steel b8 b8m stud bolt astm a193
    Price: US $917-1250 / Ton
    1 Ton (Min. Order)
  • No China Fastener Manufacture Stainless Steel M6 A193 B8 A194 8 Stud Bolt And Nut
    Price: US $0.1-0.2 / Piece
    1000 Pieces (Min. Order)
  • A193 Ss Hex Head A4-80 Din933 Full Thread Hexagon And Nut Gr8.8 10.9 Din6021 B7 Grade 8.8 Cup B8 Stud Bolt
    Price: US $0.001-10 / Piece
    1000000 Pieces (Min. Order)
  • Chinese-made cheap wholesale double ended screw bolt
    Price: US $0.01-0.015 / Piece
    5000 Pieces (Min. Order)
  • astm a193 gr b7 stud bolt with hex nut
    Price: US $0.008-0.05 / Piece
    1000 Pieces (Min. Order)
  • High tensile astm a193 b7 stud bolts
    Price: US $0.1-0.2 / Piece
    1 Piece (Min. Order)
  • STUD BOLT
    Price: US $0.1-0.2 / Piece
    1000 Pieces (Min. Order)
  • Stainless steel/carbon steel/alloy steel threaded stud bolts
    Price: US $0.1-0.2 / Piece
    1 Piece (Min. Order)
  • a193 b8 b8m srud bolt and a194 gr.8 8m nut for high speed railways
    Price: US $1050-1500 / Ton
    1 Ton (Min. Order)

ASTM A193 B8 Bolt for sale

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