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Stainles Steel 321/321H Angles and Channels

ASTM A276 Stainless Steel 321/321H Angles & Channels, SS DIN 1.4301/1.4306 Manufacturers & Suppliers in India.

Calico Metal Ind Pvt Ltd is an exceedingly acclaimed exporter and supplier of Stainless Steel 321/321H Angle Bars and Rods that are being sourced by utilizing predominant nature of crude material. As for a few stainless steel reviews, these 317L Stainless Steel Angle Bars and Rods is the run of the mill 18/8 in the group of stainless. Otherwise called UNS S30400, our SS 321/321H Angle Bars is administrator review for the use in any of the welding wanders. Not only for the reason of its fantastical welding highlights, however also for the reason of its impartial austenitic structure, these SS 317L Rods is generally utilized as a part of compositional, transportation and modern machines.

321/321H is a molybdenum bearing, low carbon content "L" grade austenitic stainless steel that provides improved corrosion resistance over 304L and 316L stainless steels. The low carbon provides resistance to sensitization during welding and other thermal processes. 321/321H is non-magnetic in the annealed condition but may become slightly magnetic as a result of welding. 321/321H has excellent corrosion resistance in a wide range of chemicals, especially in acidic chloride environments such as those encountered in pulp and paper mills. Increased levels of chromium, nickel and molybdenum compared to 316L stainless steel improve resistance to chloride pitting and general corrosion.

Nuts are graded with strength ratings compatible with their respective bolts; for example, an ISO property class 10 nut will be able to support the bolt proof strength load of an ISO property class 10.9 bolts without stripping. Likewise, SAE class 5 nuts can support the proof load of an SAE class 5 bolt, and so on. A wide variety of nuts exists, from household hardware versions to specialized industry-specific designs that are engineered to meet various technical standards.

Alloy 321/321H (UNS S32100) is a titanium stabilized austenitic stainless steel with good general corrosion resistance. It has excellent resistance to intergranular corrosion after exposure to temperatures in the chromium carbide precipitation range of 800 – 1500°F (427 – 816°C). The alloy resists oxidation to 1500°F (816°C) and has higher creep and stress rupture properties than alloys 304 and 304L. It also possesses good low temperature toughness. Alloy 321H (UNS S 32109) is the higher carbon (0.04 – 0.10) version of the alloy. It was developed for enhanced creep resistance and for higher strength at temperatures above 1000oF (537°C). In most instances, the carbon content of the plate enables dual certification.

Applications

  • Aerospace – piston engine manifolds
  • Chemical Processing
  • Expansion Joints
  • Food Processing – equipment and storage
  • Petroleum Refining – polythionic acid service
  • Waste Treatment – thermal oxidizers

Chemical Composition

% Cr Ni C Si Mn P S N Ti Fe
321 min:17.0
max:19.0
min: 9.0
max:12.0
max:0.08 max:0.75 max:2.0 max:0.045 max:0.03 max:0.10 min:5*(C+N)
max:0.70
Balance
321H min:17.0
max:19.0
min: 9.0
max:12.0
min:0.04
max:0.10
min:18.0
max:20.0
max:2.0 max:0.045 max:0.03 max:0.10 min:5*(C+N)
max:0.70
Balance

Mechanical Properties

Grade Tensile Strength
ksi (min.)
Yield Strength 0.2%
Offset ksi (min.)
Elongation -
% in
50 mm (min.)
Hardness
(Brinell) MAX
321/321H 75 30 40 217

Physical Properties

Denstiy
lbm/in3
Coefficient of
Thermal Expansion (min/in)-°F
Thermal Conductivity BTU/hr-ft-°F Specific Heat BTU/lbm -°F Modules of Elasticity (annealed)2-psi
at 68 °F at 68 – 212°F at 68 – 1832°F at 200°F at 32 – 212°F in tension (E)
0.286 9.2 20.5 9.3 0.12 28 x 106

Calico Metal Ind Pvt Ltd exports their products to countries like UAE, Bahrain, Italy, Indonesia, Malaysia, United States, Mexico, Chine, Brazil, Peru, Nigeria, Kuwait, Jordan, Dubai, Thailand (Bangkok), Venezuela, Iran, Germany, UK, Canada, Russia, Turkey, Australia, New Zealand, Sri Lanka, Vietnam, South Africa, Kazakhstan & Saudi Arabia.

Stainless Steel & Special Alloys Materials