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ASTM A193 B7 Bolts. Buy Top Quality ASTM A193 B7 Bolts with A194 Gr 2H Nuts - CrMo Alloy

///ASTM A193 B7 Bolts (Cr-Mo AISI 4140)

ASTM A193 B7 Bolts (Cr-Mo AISI 4140)

500.00

ASTM A193 B7 Bolts Manufacturers & Suppliers – Buy Top Quality high Temperature Fasteners!

Buy A193 Gr B7 Bolts and A194 Gr 2H Nuts Set with Washer at Best Prices!

Metline is a full line manufacturer of A193 Gr B7 bolts and A194 Gr 2H nuts in a wide range of sizes and specifications. ASTM A193 B7 Bolts are considered most suitable  for use in temperature below 450 ° C, with a minimum effect on its structural strength during application at a high temperature.

  • Bolts: ANSI B18.2.1, DIN 931, DIN 933, ISO 4014, ISO 4017, BS 1768, BS1768, IFI 115
  • Nuts: ANSI B18.2.2, DIN 934, ISO 4032, BS1768, BS 1769
  • Studbolts: DIN 975, DIN 976, BS 4882, ANSI B16.5
  • Sizes: Size Ranges from M6 to M100, 1/4″ to 4″ with Varied Lengths
  • Manufacturing Process: Forging, CNC Machining, Thread Rolling, Heat Treatment, Coating, Unique Marking, Testing & Traceability

Description

Manufacturers & Suppliers of A193 Gr B7 Bolts and A194 Gr 2H Nuts

Metline is a leading manufacturer and supplier of A193 Gr B7 bolts and A194 Gr 2H nuts in India, and countries across the globe. We specialize in fasteners, such as bolts, nuts, threaded rods and washers, with standard ANSI, ASTM, DIN, BS, and ISO. We offer complete size range of M6 to M100, 1/4″ to 4″ in standard and custom lengths.

Chemical & Physical Properties of ASTM A193 B7 (Cr Mo, AISI 4140) Bolts

C Mn P S Si Cr Mo
0.37-0.49 0.65-1.10 0.035 Max 0.04 Max 0.15-0.35 0.75-1.20 0.15-0.25
Dia Minimum
Tempering Temperature
( ° F )
Tensile
Strength
min, ksi
( MPa)
Yield
Strength. min,
0.2% offset, Ksi
( MPa)
Elongation in
4D
min %
Reduction of
Area
min %
Hardness
max
21/2″ and under 1,100
(593 ° C )
125(860) 105(720) 16 50 321HB
or 35 HRc
over 21/2″ to 4″ 1,100
(593 ° C )
115(795) 95(655) 16 50 302HB
or 35 HRc
over   4″ to 7″ 1,100
(593 ° C )
100(690) 75(515) 18 50 277HB
or 29 HRc

Service Temperature Range of Various Materials for Bolting

ASTM Designation Grade Service Temperature Range Strength & Ductility Suitable Nuts (ASTM/Grade)
Tensile Min. PSI Yield Strength min. PSI Reduction of Area R/A % Elongation EL % Alloy Type AISI
ASTM A-193 B7 High Temp. from 0 to 480ºC 125,000 100,000 50 16 Cr-Mo 4140 A194 Gr 2H
ASTM A-193 B16 High Temp. from 0 to 550ºC 125,000 105,000 50 18 Cr-Mo V (4140M) A194 Gr 4
ASTM A-193 B7M High Temp. from 0 to 450ºC 100,000 80,000 50 18 Cr-Mo 4140 A194 Gr 2HM
ASTM A-320 L7 Low Temp. -100ºC 125,000 105,000 50 16 Cr-Mo 4140 A194 Gr 4 or A194 Gr 7
ASTM A-193 B5 Up to 815ºC 100,000 80,000 50 16 5% Cr 501 A194 Gr 3
ASTM A-193 B6 Up to 450ºC 110,000 85,000 50 16 13% Cr 410 A194 Gr 6
ASTM A-193 B8 Low Temp. -200ºC  to 650ºC 75,000 30,000 50 30 18% CR -8% Ni 304 A194 B8
ASTM A-193 B8M Low Temp. – 200ºC  to 750ºC 75,000 30,000 50 30 16%Cr – 10% Ni 316 A194 B8M
ASTM A-320 B8 Low Temp. -200ºC  to 650ºC 75,000 30,000 50 30 18% Cr – 8% Ni 304 A194 B8
ASTM A-320 B8M Low Temp. – 200ºC  to 750ºC 75,000 30,000 50 30 16% Cr -10% Ni 316 A194 B8M
ASTM A-320 B8T Low Temp. -200ºC  to 650ºC 75,000 30,000 50 30 13% Cr 321 A194 B8T6
ASTM A-320 B8C Low Temp. -200ºC  to 650ºC 75,000 30,000 50 30 18% CR-8% Ni 347 A194 B8C
ASTM A-193 B8M Class 2 Low Temp. -200ºC  to 650ºC 125,000 100,000 35 12 16% Cr – 10% Ni 304 A194 B8C
ASTM A-453 660 High Temp. up to 750ºC 130,000 85,000 18 15 High Iron Superalloy 660 (A286) A453 600
ASTM A-564 630 Med Temp. 190,000 170,000 40 10 Precipitation 630 (17-4) A564 630
(cond. 900) (cond. 1100) up to 316ºC 140,000 115,000 45 14 Hardening STST
ASTM B-408 800, 800H, 800 HT High Temp. 540ºC – 815ºC 80,000 35,000 25 Incoloy ASTM B408
ASTM B-164 405 High Temp. to 815ºC 85,000 50,000 15 Monel
ASTM B-164 K500 High Temp. 650ºC – 423ºC 100,000 70,000 35 Monel
Low Temp. 650 ºC – 253ºC
600, 625, 718, x750 ASTM B446, B637 from 850ºC – 1090ºC High Temp. 100,000 80,000 30 Nickel Superalloy (Inconel)
B, C, X to 850ºC High Temp. 170,000 115,000 30 Nickel Superalloy (Hastalloy)
Incoloy 925 High Temp. to – 1000ºC 176,000 120,000 40 24 Nickel Iron Chrome

 

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