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Stainless steel 310s/ 310H bolts are the most durable bolts which are used in various types of industries. These bolts are highly efficient and commonly used for joining two or more objects together. These bolts are commonly used for high pressure and high temperature usage. These specifications are used for various purposes. The lengths of the bolts vary from 3mm to 200mm. 

Stainless steel 310/310H bolts are made of high quality raw material. It is made of a mixture of various combinations to maintain its ductility and strength. The grade includes a high amount of chromium and nickel alloy. The alloy includes at least 19% nickel and 24% chromium, with manganese, silicon and carbon. These stainless steel 310s/310H bolts are commonly used for various industrial applications. These bolts are highly efficient and effective.

These stainless steel 310S/310H bolts are commonly applicable in industries and areas where the environment and atmosphere won't be favourable. Stainless steel 310S/310H bolts do not provide extreme resistance at high temperatures. Grade 310S/310H is comparatively less strong and ductile than other grades, as it is less vulnerable and endothermic in nature. 

Stainless steel grade 310S/310H bolts provide great resistance from oxidation and cryogenic reactions. It offers excellent protection from oxidation at the temperature 1200°C. It also provides resistance at 1040°C from intermittent services. Stainless steel grade 310S/310H bolts support heat procedures like welding, annealing and pitting. Stainless steel 310S/310H bolts also provide resistance from corrosion, crevice corrosion and stress cracking. This grade has impressive characteristics and properties which make it an ideal application for both commercial and industrial applications.

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Specification :-

Specifications DIN, ISO ,JIS ,GB, IS, BS, ASTM
Standard ASTM / ASME SB 160 / 164 / 425 / 166 / 446 / 574 / 472
Size M0.2 to M33 | 3/6" to 2" | Custom Sizes
Length 3 mm to 200 mm | Custom Sizes
Dimensions DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Form Hex, Threading, Square, Round as per Gauge Etc.
Threads Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically
Threads available UNF, BSW, BSF, METRIC, UNC, or as required
Threads Configuration ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Certification Dual Certified As per ASTM & ASME Codes
Test Certificate As per EN 10204 / 3.1 Manufacturer Test Certificate, PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Raw materials Source JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc.
Packing IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request
Surface Coating Cadmium Coating
Hot Dipped Galvanizing Coating
Ptfe Coated Nickel Alloy 200 Bolts
Phosphate Coating
Teflon Coating
Xylon Coating
Zinc Coating

Equivalent Grades

Equivalent JIS Equivalent Stainless Steel Notation EN/DIN Numerical Equivalent UNS designation EN/DIN Symbolical Equivalent
310S - - 1.4841/1.4845 S31008 X4CrNi18-10
310H - - 1.4948 S31009 X2CrNiN18-10

Chemical Composition

Grade C Mn Si P S Cr Mo Ni N
SS 310S 0.08 max 2.0 max 1.50 max 0.045 max 0.030 max 24.0 - 26.0 - 19.0 - 22.0 -
SS 310H 0.10 max 2.00 max 1.00 max 0.045 max 0.030 max 24.0 - 26.0 - 19.0 - 21.0 -

Mechanical Properties

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness Rockwell B (HR B) max Hardness Brinell (HB) max
310S/310H 515 205 40 217 92

Applications and Uses

  • Chemical Industries
  • Oil & Gas Industrires
  • Power Plant Industries
  • Shipbuilding Industries
  • Fertilizer Industrires
  • Petrochemical Industrires
  • Sugar Industrires
  • Cement Industrires