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Threaded Bars/Rods

Stainless Threaded Bars/Rods

Pioneer in exporting & distributing Threaded Bars/Rods


Our Products: Threaded Bars/Rods

        We introduce ourselves as one of the leading distributor & exporter of Threaded Bars/Rods, Mumbai

THREADED BAR / ROD
ASME SA 193 Grade B7, Grade B7M, Grade B16
ASTM A 193 Grade B7, Grade B7M, Grade B16
ASME SA 320 Grade L7, Grade L7M, Grade L43
ASTM A 320 Grade L7, Grade L7M, Grade L43
ASME SA 194 Grade 2H, Grade 2HM, Grade 3, Grade 4, Grade 7, Grade 7M, Grade 16
ASTM A 194 Grade 2H, 2HM, 3, 4, 7, 7M, 16
ASME SA 193 Grade B8, Grade B8M, Grade B8 Class 2, Grade B8M Class 2
ASTM A 193 Grade B8, B6M, B8 Class 2, B8M Class 2
ASME SA 320 Grade B8, Grade B8M, Grade B8 Class 2, Grade B8M Class 2
ASTM A 320 Grade B8, B8M, B8 Class 2, B8M Class 2
ASME SA 307 Grade A, B, C Carbon Steel Bolt and Stud 60000 PSI Tensile Strength
ASTM A 307 Grade A, B, C Carbon Steel Bolt and Stud 60,000 PSI Tensile Strength
ASME SA 194 Grade 8, Grade 8M, Grade 8F, Grade 8A, Grade 8C, Grade 6, Grade 310
ASTM A 194 Grade 8, 8M, 8F, 8A, 8C, 6, 310
Stainless Steel Carbide Solution Treated & Strain Hardened Threaded Bar, Rod, Stud
Roll Threaded Bars, Roll Threaded Rods, Roll Threaded Studs
B-8 Class-1 Stainless Steel AISI 304 / 304L Carbide Solution Treated
B-8 Class-2 Stainless Steel AISI 304 / 304L Carbide Solution Treated, Strain Hardened
B-8M Class-1 Stainless Steel AISI 316 / 316L Carbide Solution Treated
B-8M Class-2 Stainless Steel AISI 316 / 316L Carbide Solution Treated, Strain Hardened
B-8C Stainless Steel AISI 347 / 347H Carbide Solution Treated, Strain Hardened
B-8T Stainless Steel AISI 321 / 321H Carbide Solution Treated, Strain Hardened
B-8P Stainless Steel AISI 305 Carbide Solution Treated, Strain Hardened
Threaded Rod / Threaded Bar DIN 975, Stud Bolt DIN 976
Hexagon Bolt DIN 601, DIN 931, DIN 933, Hexagon Nut DIN 555, DIN 934
Plain Washer DIN 125, Stud Metal End DIN 938, DIN 939, DIN 940
Property Class : 4.8, 5.6, 5.8, 8.8, 10.9, 12.9
Coating : Bright Zinc Plated, Hot Dip Galvanised, Phosphatided, Nickel Plated
Material : 22CrMo4, 24CrMo4, 25CrMo4, 26CrMo4, 34CrMo4, 42CrMo4, 34CrNiMo6, 41CrNiMo6
Material : AISI 4130, SAE 4130, AISI 4140, SAE 4140, AISI 4145, SAE 4145, AISI 4340, SAE 4340
Material : EN 8, EN 9, EN 19, EN 24 Condition : Normalised, Tempered, Quenched & Tempered

HEAT-TREATED ALLOY STUDS, BOLTS THREADED BARS & RODS

Chemical Composition

Elements A354 Grades BC, BD A193 Grade B7
**See Note Below Chromium-Molybdenum
Range percent Check variation
over percent
Range percent Check variation
over or under percent
Carbon... -- -- *0.38-0.48 0.02
Manganese... -- -- 0.750-1.00 0.04
Phosphorus, max... 0.04 0.005 0.04 0.005 over
Sulphur, max... 0.04 0.005 0.04 0.005 over
Silicon... -- -- 0.20-0.35 0.02
Chromium... -- -- 0.80-1.10 0.05
Molybdenum... -- -- 0.15-0.25 0.02

 

Elements A193 Grade B16
Chromium-Molybdenum-Vanadium
Range percent Check variation
over or under percent
Carbon... 0.36-0.44 0.02
Manganese... 0.45-0.70 0.03
Phosphorus, max... 0.04 0.005 over
Sulphur, max... 0.04 0.005 over
Silicon... 0.20-0.35 0.02
Chromium... 0.80-1.15 0.05
Molybdenum... 0.50-0.65 0.03
Vanadium... 0.25-0.35 0.03

 

Elements A320 Grade L7 A320 Grade L43
Chromium-Molybdenum
(AISI 4140, 4142, 4145)
Nickel-Chromium-Molybdenum
(AISI 4340)
Range percent Check variation
over percent
Range percent Check variation
over or under percent
Carbon... *0.38-0.48 0.02 0.38-0.148 0.02
Manganese... 0.75-1.00 0.04 0.60-0.85 0.03
Phosphorus, max... 0.04 0.005 over 0.04 0.005 over
Sulphur, max... 0.04 0.005 over 0.04 0.005 over
Silicon... 0.20-0.35 0.02 0.20-0.35 0.02
Nickel... -- -- 1.65-2.00 0.05
Chromium... 0.80-1.10 0.05 0.70-1.90 0.03
Molybdenum... 0.15-0.25 0.02 0.20-0.30 0.02

*For bar sizes over 3-1/2 in. to 4 in., inclusive, the carbon content may be 0.50 pct. max.

** Any alloy steel capable of meeting the tensile requirements of Specification A354 may be used.

Tensile Requirements

Grade Diameter, in. Min
tempering
temp F
Tensile
strength
min psi
Yield
point
min psi
Elongation
in 2 in.
min pct
Reduction
of area
min pct
A354 Grade BC {2-1/2 and under
{Over 2-1/2 to 4 incl.
850 125,000 109,000 16 50
A354 Grade BD 1-1/2 and under 850 115,000 99,000 16 45
A193 Grade B7
Chromium-
Molybdenum
{2-1/2 and under
{Over 2-1/2 to 4 incl.
{Over 4 to 7 incl.
850 150,000 125,000 14 35
A193 Grade B16
Chromium-
Molybdenum-
Vanadium
{2-1/2 and under
{Over 2-1/2 to 4 incl.
{Over 4 to 7 incl.
1100
1100
1100
125,000
115,000
100,000
105,000
95,000
75,000
16
16
18
50
50
50
A320 Grade L7
Chromium-
Molybdenum
2-1/2 and under -- 125,000 105,000 16 50
A320 Grade L43
Nickel-Chromium-
Molybdenum
4 and under -- 125,000 105,000 16 50

Commonly used are the following grades of heat-treated alloy steel for high-pressure or extreme temperature service in diameters of 1/2 in. to 2 in., inclusive. Other grades and other diameters are available on special order.

ASTM A354, Grades BC and BD - heat-treated alloy steels for applications at normal atmospheric temperatures where high strength is required.

ASTM A193, Grade B7 - a heat-treated chromium-molybdenum steel widely used for medium high-temperature service.

ASTM A193, Grade B16 - a heat-treated chromium-molybdenum-vanadium steel for high-pressure, high-temperature service.

ASTM A320, Grade L7 - This grade is intended for low-temperature service down to minus 150ºF and has a minimum Charpy impact value of 15 ft-lb at this temperature. Sizes 2-1/2 in. and under.

ASTM A320, Grade L43 - The same properties offered by Grade L7 in sizes up to 2-1/2 are obtainable up to 4 in. in Grade L43

NOTES:

  1. In addition to the indicated grade marking, all grades, except A563 grades O, A and B, must be marked for manufacturer identification.
  2. The markings shown for all grades of A194 nuts are for cold formed and hot forged nuts. When nuts are machined from bar stock the nut must be additionally marked with the letter 'B'.
  3. Nuts are not required to be marked unless specified by the purchaser. When marked, the identification marking shall be the grade letter O, A or B.
  4. Properties shown are those of nonplated or noncoated coarse thread hex nuts.
  5. Properties shown are those of coarse thread heavy hex nuts.
  6. Properties shown are those of coarse thread heavy hex nuts.
  7. Properties shown are those of coarse 8-pitch thread heavy hex nuts.
  8. Hardnesses are Brinell Hardness Numbers.
  9. The nut manufacturer, at his option, may add other markings to indicate the use of atmospheric corrosion resistant steel.
  10. Specifications --
    ASTM A563 -- Carbon and Alloy Steel Nuts.
    ASTM A194/A194M -- Carbon and Alloy Steel Nuts for Bolts for High Pressure and High Temperature Service
Mechanical Requirements for Stainless Steel Fasteners

Grade(1) General
Descpription
of Material
Bolts, Screws and Studs Nuts
Full Size Bolts,
Screws, Studs
Machine Test Sprecimens of
Bolts, Screws, Studs
Hardness
Rockwell
Proof
Load
Stress
Hardness
Rockwell
Yield (2)
Strength
Tensile
Strength
Yield (2)
Strength
Tensile
Strength
Elong-
ation(3)
Min psi Min psi Min psi Min psi % Min. Min psi Min
303A Austenitic
Stainless Steel-
Sol. Annealed
30,000 75,000 30,000 75,000 20 B75 75,000 B75
304-A Austenitic
Stainless Steel-
Sol. Annealed
30,000 75,000 30,000 75,000 20 B75 75,000 B75
304 Austenitic
Stainless Steel-
Cold Worked
50,000 90,000 45,000 85,000 20 B85 90,000 B85
304-SH Austenitic
Stainless Steel-
Strain Hardened
See
Note 6
See
Note 6
See
Note 6
See
Note 6
15 C25 See
Note 6
C20
305-A Austenitic
Stainless Steel-
Sol. Annealed
30,000 75,000 30,000 75,000 20 B70 75,000 B70
305 Austenitic
Stainless Steel-
Cold Worked
50,000 90,000 45,000 85,000 20 B85 90,000 B85
305-SH Austenitic
Stainless Steel-
Strain Hardened
See
Note 6
See
Note 6
See
Note 6
See
Note 6
15 C25 See
Note 6
C20
316-A Austenitic
Stainless Steel-
Sol. Annealed
30,000 75,000 30,000 75,000 20 B70 75,000 B70
316 Austenitic
Stainless Steel-
Cold Worked
50,000 90,000 45,000 85,000 20 B85 90,000 B85
316-SH Austenitic
Stainless Steel-
Strain Hardened
See
Note 6
See
Note 6
See
Note 6
See
Note 6
15 C25 See
Note 6
C20
XM7-A Austenitic
Stainless Steel-
Sol. Annealed
30,000 75,000 30,000 75,000 20 B70 75,000 B70
XM7 Austenitic
Stainless Steel-
Cold Worked
50,000 90,000 45,000 85,000 20 B85 90,000 B85
384-A Austenitic
Stainless Steel-
Sol. Annealed
30,000 75,000 30,000 75,000 20 B70 75,000 B70
384 Austenitic
Stainless Steel-
Cold Worked
50,000 90,000 45,000 85,000 20 B85 90,000 B85
410-H Martensitic
Stainless Steel-
Hardened and
Tempered
95,000 125,000 95,000 125,000 20 C22 125,000 C22
410-HT Martensitic
Stainless Steel-
Hardened and
Tempered
135,000 180,000 135,000 180,000 12 C36 180,000 C36
416-H Martensitic
Stainless Steel-
Hardened and
Tempered
95,000 125,000 95,000 125,000 20 C22 125,000 C22
416-HT Martensitic
Stainless Steel-
Hardened and
Tempered
135,000 180,000 135,000 180,000 12 C36 180,000 C36
430 Ferritic
Stainless Steel
40,000 70,000 40,000 70,000 20 B75 70,000 B75

Note 6. Austenitic stainless steel, strain hardened bolts, screws, studs, and nuts shall have the following strength per properties.

Product
Size
Bolts, Screws, Studs Nuts
Tested Full Size Machine Test Specimens, Proof
Load
Stress
Yield
Strength
Tensile
Strength
Yield
Strength
Tensile
Strength
in. min psi min psi min psi min psi psi
to 5/8 in. 100,000 125,000 90,000 115,000 125,000
over 5/8 to 1 in. 70,000 105,000 65,000 100,000 105,000
over 1 to 1-1/2 in. 50,000 90,000 45,000 85,000 90,000

Certificate & Inspection : c/w Calibration Works Certificate EN10204 3.1/DIN 50049 3.1/ISO10474 3.1 Mill Test Report, NACE MR-01-03/NACE MR-01-75/ISO-15156, CE Marked, European Pressure Equipment Directive PED 97/23/EC, AD 2000-WO, ASME Boiler & Pressure Vessel Code Section-II Part-A Edition 2008, API 6A, with 3.2 certificate duly certified

We are in this line from the last 25 years and supplying materials to all over the country. Most of our clients are govt.of india & public undertaking companies to defence, fertilizer, chemical, thermal power semi govt.and public sector departments.

Threaded Bars/Rods, best quality Threaded Bars/Rods, wide variety of Threaded Bars/Rods, Threaded Bars/Rods India, Threaded Bars/Rods distributor Mumbai, Threaded Bars/Rods traders, prime quality Threaded Bars/Rods, Source for Threaded Bars/Rods, specialize in Threaded Bars/Rods, Threaded Bars/Rods with Test Certificate

Contact:

Aesteiron Steels LLP

107, Kika Street, 4th Floor,
Supariwala Building, Mumbai - 400 004 India
T: +91- 22- 2345 3040, 6651 8587, 6743 6789
F: +91 - 22 -2345 3050
info@aesteiron.com
export@aesteiron.com

     

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