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STAINLESS STEEL CASTINGS

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Information

  • We are offering our clients, Stainless Steel Castings. These are widely appreciated by our clients for their strength, durability and corrosion resistance. We can provide these in customized sizes and specifications in accordance with the requirements of our esteemed clients.
  • A casting made from stainless steel. Stainless steel is a steel alloy with a minimum of 10.5 or 11% chromium content by mass. Stainless steel does not stain, corrode, or rust as easily as ordinary steel (it stains less, but it is not stain-proof). There are different grades and surface finishes of stainless steel to suit the environment to which the material will be subjected in its lifetime.

Specifications

  • IS -304
  • IS -316

All Grades better Corrosion, wear and heat resisting


Manufacturing Capacity

  • From 5 kgs. to 100kgs. Single PC.

Grade 304L, the low carbon version of 304, does not require post-weld annealing and so is extensively used in heavy gauge components (over about 6mm). Grade 304H with its higher carbon content finds application at elevated temperatures. The austenitic structure also gives these grades excellent toughness, even down to cryogenic temperatures.

Grade 304 is the standard "18/8" stainless; it is the most versatile and most widely used stainless steel, available in a wider range of products, forms and finishes than any other. It has excellent forming and welding characteristics. The balanced austenitic structure of Grade 304 enables it to be severely deep drawn without intermediate annealing, which has made this grade dominant in the manufacture of drawn stainless parts such as sinks, hollow-ware and saucepans. For these applications it is common to use special "304DDQ" (Deep Drawing Quality) variants. Grade 304 is readily brake or roll formed into a variety of components for applications in the industrial, architectural, and transportation fields. Grade 304 also has outstanding welding characteristics. Post-weld annealing is not required when welding thin sections.

Key Properties

These properties are specified for flat rolled product (plate, sheet and coil) in ASTM A240/A240M. Similar but not necessarily identical properties are specified for other products such as pipe and bar in their respective specifications.

Technical Information (Click on below title to view technical specifications.)

Grade C Mn Si P S Cr Mo Ni N
304 min. - - - - - 18.0 - 8.0 -
max. 0.08 2.0 0.75 0.045 0.030 20.0 - 10.5 0.10
304L min. - - - - - 18.0 - 8.0 -
max. 0.030 2.0 0.75 0.045 0.030 20.0 12.0 0.10
304H min. 0.04 - - - - 18.0 - 8.0 -
max. 0.10 2.0 0.75 0.045 0.030 20.0 - 10.5 -

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
304 515 205 40 92 201
304L 485 170 40 92 201
304H 515 205 40 92 201
304H also has a requirement for a grain size of ASTM No 7 or coarser.

Grade Density (kg/m3) Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion (µm/m/°C) Thermal Conductivity (W/m.K) Specific Heat 0-100°C (J/kg.K) Electrical Resistivity (nO.m)
0-100°C 0-315°C 0-538°C at 100°C at 500°C
304/L/H 8000 193 17.2 17.8 18.4 16.2 21.5 500 720

* Low temperature V notch impact tested (-20±2℃)
Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
304 S30400 304S31 58E 1.4301 X5CrNi18-10 2332 SUS 304
304L S30403 304S11 - 1.4306 X2CrNi19-11 2352 SUS 304L
304H S30409 304S51 - 1.4948 X6CrNi18-11 - -
These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted.

Grade Why it might be chosen instead of 304
301L A higher work hardening rate grade is required for certain roll formed or stretch formed components.
302HQ Lower work hardening rate is needed for cold forging of screws, bolts and rivets.
303 Higher machinability needed, and the lower corrosion resistance, formability and weldability are acceptable.
316 Higher resistance to pitting and crevice corrosion is required, in chloride environments
321 Better resistance to temperatures of around 600-900°C is needed.321 has higher hot strength.
3CR12 A lower cost is required, and the reduced corrosion resistance and resulting discolouration are acceptable.
430 A lower cost is required, and the reduced corrosion resistance and fabrication characteristics are acceptable.

Grade 316 is the standard molybdenum-bearing grade, second in importance to 304 amongst the austenitic stainless steels. The molybdenum gives 316 better overall corrosion resistant properties than Grade 304, particularly higher resistance to pitting and crevice corrosion in chloride environments. It has excellent forming and welding characteristics. It is readily brake or roll formed into a variety of parts for applications in the industrial, architectural, and transportation fields. Grade 316 also has outstanding welding characteristics. Post-weld annealing is not required when welding thin sections.

Grade 316L, the low carbon version of 316 and is immune from sensitisation (grain boundary carbide precipitation). Thus it is extensively used in heavy gauge welded components (over about 6mm). Grade 316H, with its higher carbon content has application at elevated temperatures, as does stabilised grade 316Ti.

The austenitic structure also gives these grades excellent toughness, even down to cryogenic temperatures.

Key Properties

These properties are specified for flat rolled product (plate, sheet and coil) in ASTM A240/A240M. Similar but not necessarily identical properties are specified for other products such as pipe and bar in their respective specifications.

Technical Information (Click on below title to view technical specifications.)

Grade C Mn Si P S Cr Mo Ni N
316 min. - - - - - 16.0 2.00 10.0 -
max. 0.08 2.0 0.75 0.045 0.03 18.0 3.00 14.0 0.10
316L min. - - - - - 16.0 2.00 10.0 -
max. 0.030 2.0 0.75 0.045 0.03 18.0 3.00 14.0 0.10
316H min. 0.04 0.04 - - - 16.0 2.00 10.0 -
max. 0.10 0.10 0.75 0.045 0.03 18.0 3.00 14.0 -

Grade Tensile Str (MPa) min Yield Strength 0.2% Proof (MPa) min Elong(% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
316 515 205 40 95 217
316L 485 170 40 95 217
316H 515 205 40 95 217

Grade Density (kg/m3) Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion
(µm/m/°C)
Thermal Conductivity
(W/m.K)
Specific Heat
0-100°C
(J/kg.K)
Electrical Resistivity (nO.m)
0-100°C 0-315°C 0-538°C at 100°C at 500°C
316/L/H 8000 193 15.9 16.2 17.5 16.3 21.5 500 740

* Low temperature V notch impact tested (-20±2℃)
Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
316 S31600 316S31 58H, 58J 1.4401 X5CrNiMo17-12-2 2347 SUS 316
316L S31603 316S11 - 1.4404 X2CrNiMo17-12-2 2348 SUS 316L
316H S31609 316S51 - - - - -
Note: These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted

Grade Why it might be chosen instead of 316
316Ti Better resistance to temperatures of around 600-900°C is needed.
316N Higher strength than standard 316.
317L Higher resistance to chlorides than 316L, but with similar resistance to stress corrosion cracking.
904L Much higher resistance to chlorides at elevated temperatures, with good formability.
2205 Much higher resistance to chlorides at elevated temperatures, and higher strength than 316.

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HMC

Plot No. 412 & 435, Road No. 12, Gopal Charan Industrial Hub, Nr. Ahmedabad – Indore Highway , Bakrol – Bujrang, Tal. Daskori, Dist. Ahmedabad – 382430 (GUJRAT) India.

Hariom Metal Cast

L–146, G.I.D.C. Estate, Nr. Water tank, Odhav, Ahmedabad–382415