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Stainless Steel Stud Bolts. Top Manufacturers & Suppliers of Threaded Stud Bolts in SS 316/304

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Stainless Steel Stud Bolts


Manufacturers & Suppliers of Stainless Steel Stud Bolts – Stainless Steel Stud Bolts, SS 304/316 Stud Bolts, SS 321, SS 347 Stud Bolts – Buy ASTM A193 Stud Bolts with ASTM A194 Nuts & Washers!

  • Stainless Steel Full Threaded Stud
  • Stainless Steel Double End Stud
  • Stainless Steel Tap End Stud
  • Stainless Steel Threaded Rod

Metline is a professional manufacturer and supplier of stainless steel stud bolts with nuts and washers in size range of M6 to M100 or 1/4″ to 4″. We can supply metric and imperial sized stainless steel stud bolts manufactured by both cold forged, hot forged or directly machined from high quality stainless steel bar stock.

  • Sizes: M4 to M100, 1/4″ to 4″ x Custom Length
  • Stainless Steel Bolts: ANSI B18.2.1, DIN 931, DIN 933, ISO 4014, ISO 4017, BS 1768, BS1768, IFI 115
  • Stainless Steel Nuts: ANSI B18.2.2, DIN 934, ISO 4032, BS1768, BS 1769
  • Stainless Steel Studbolts: DIN 975, DIN 976, BS 4882, ANSI B16.5
  • Stainless Steel Threaded Bars / Rods, Stainless Steel Washers, and Stainless Steel Screws
  • Other Key Products: Stainless Steel Hexagon Bolts, Stainless Steel Threaded Bolts, Stainless Steel U Bolts, Stainless Steel J Bolts, Stainless Steel Eye Bolts, Stainless Steel Set Screws, Stainless Steel Socket Screws & Socket Cap Screws, Stainless Steel Socket Countersunk Screws, Stainless Steel Washers & Nuts

Metline Industries is India’s one of the most trusted supplier of various grades of stainless steel stud’s in various sizes and grades including SS 304, SS 316, Duplex, Alloy 20, 904L, SS 321/321H and SS 347H. Metline is a specialist supplier of stainless steel bolts & nuts – bolts, nuts, threaded rods, sheet metal screws, machine screws, plain washers, spring washers.

With an annual production and sales capacity of 10,000 metric tons, 85% of our stainless steel stud bolts are exported to all over the world with high quality, reasonable prices and perfect service, and most of our clients are from Europe, America, Southeast Asia, Africa, Australia and Middle East.

SKU: MET6022 Categories: ,


We can manufacture stainless steel stud bolts in a variety of grades such as 316l, 316, 201, 202, 303, 304, 304l, 309, 310, 310s, 321, 347, 904l, 410, 420, 430, 904, duplex alloy 2205, and duplex alloy 2507.

Grades Covered by ASTM A193 Standard for Bolts, Threaded Bars & Rods

ASTM A193 B7Alloy steel, AISI 4140 or 4142, quenched and tempered
ASTM A193 B6Stainless steel, AISI 410, heat treated
ASTM A193 B8Class 1 Stainless steel, AISI 304, carbide solution treated.
ASTM A193 B8MClass 1 Stainless steel, AISI 316, carbide solution treated.
ASTM A193 B8 Class 2Stainless steel, AISI 304, carbide solution treated, strain hardened
ASTM A193 B8M Class 2Stainless steel, AISI 316, carbide solution treated, strain hardened
ASTM A193 B8TClass 1 or 2 Stainless steel, AISI 321, with additional element of Titanium
ASTM A193 B16Chromium-Molybdenum-Vanadium, similar to B7 with Vandium added
ASTM A193 B7MSimilar properties as B7 but with specialized heat treating to create differing mechanical properties
ASTM A193 B8RStainless steel, AISI 209, also known as Nitronic 50, nitrogen strengthened
ASTM A193 B8SStainless Steel, AISI 218, also known as Nitronic 60, nirtrogen strengthened

Chemical Composition of ASTM A193 Grade Materials

ElementB7 (AISI 4140)B8 (AISI 304)B8M (AISI 316)B16 (AISI 4140)
Carbon0.37 – 0.49%0.08% max0.08% max0.37 – 0.49%
Manganese0.65 – 1.10%2.00% max2.00% max0.65 – 1.10%
Phosphorus, max0.04%0.05%0.05%0.04%
Sulfur, max0.04%0.03%0.03%0.04%
Silicon0.15 – 0.35%1.00% max1.00% max0.15 – 0.35%
Chromium0.75 – 1.20%18.0 – 20.0%16.0 – 18.0%0.75 – 1.20%
Nickel8.0 – 11.0%10.0 – 14.0%
Molybdenum0.15 – 0.25%2.00 – 3.00%0.15 – 0.25%

Mechanical Properties of ASTM A193 Grade Materials

GradeSizeTensile ksi, minYield, ksi, minElong, %, minRA % min
B7Up to 2-1/21251051650
2-5/8 – 4115951650
4-1/8 – 7100751850
B8 Class 1All75303050
B8M Class 1All75303050
B8 Class 2Up to 3/41251001235
1-1/8 – 1-1/4105652035
1-3/8 – 1-1/2100502845
B8M Class 2Up to 3/4110951545
1-1/8 – 1-1/495652545
1-3/8 – 1-1/290503045
B16Up to 2-1/21251051850
2-5/8 – 4110951745
4-1/8 – 7100851645


ASTM A193 Bolts are Generally Used with Nuts & Washers as Below – Recommended Mating Materials

Bolts & Studs GradeNuts GradeWashers Grade
ASTM A193 B7ASTM A194 Grade 2HF436
ASTM A193 B8 Class 1ASTM A194 Grade 8SS304
ASTM A193 B8M Class 1ASTM A194 Grade 8MSS316
ASTM A193 B8 Class 2ASTM A194 Grade 8SS304
ASTM A193 B8M Class 2ASTM A194 Grade 8MSS316



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