UNS S17400 - Stainless Steel Type 630, commonly called 17-4, is a martensitic, precipitation hardening stainless steel. A low temperature
heat treatment can provide unusually high strength and hardness, with corrosion-resistance similar to that of Type 304 austenitic stainless steel.
UNS S30300 - Stainless Steel Type 303 is a fully resulfurized free-machining austenitic stainless steel melted and processed to maximize
machinability. It should be considered where extensive machining is required and some sacrifice in corrosion-resistance compared to Type 304 can be tolerated.
Type 303 is nonmagnetic in the annealed condition but may become slightly magnetic as a result of cold working.
UNS S30400 - Stainless Steel Type 304 is the modern evolution of the original "18-8" austenitic stainless steel. It is an economical
and versatile corrosion-resistant stainless steel suitable for a wide range of general purpose applications. Type 304 is non-magnetic in the annealed condition
but may become slightly magnetic as a result of cold working or welding.
UNS S30403 - Stainless Steel Type 304L is the modern evolution of the original "18-8" austenitic stainless steel. It is an economical
and versatile corrosion-resistant stainless steel suitable for a wide range of general purpose applications. The low carbon permits Type 304L to be welded
without sensitization to intergranular corrosion resulting from chromium carbide precipitation in the grain boundaries. Stainless Steel Type 304L is non-magnetic in the
annealed condition but may become slightly magnetic as a result of cold working or welding.
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UNS S31600 - Stainless Steel Type 316 is a molybdenum-containing austenitic stainless steel intended to provide improved corrosion-resistance
relative to Type 304/304L in moderatley corrosive process environments, particularly those containing chlorides or other halides. Stainless Steel Type 316 is
non-magnetic in the annealed condition but may become slightly magnetic as a result of cold working or welding.
UNS S31603 - Stainless Steel Type 316L is a molybdenum-containing austenitic stainless steel intended to provide improved corrosion-resistance
relative to Type 304/304L in moderatley corrosive process environments, particularly those containing chlorides or other halides. The low carbon permits Stainless Steel
Type 316L to be welded without sensitization to intergranular corrosion resulting from chromium carbide precipitation in the grain boundaries. Type 316L is
non-magnetic in the annealed condition but may become slightly magnetic as a result of cold working or welding.
UNS S31703 - Stainless Steel Type 317L is a molybdenum-containing austenitic stainless steel intended to provide improved corrosion-resistance
relative to Type 316L in strongly corrosive process environments, particularly those containing chlorides or other halides. The low carbon permits
Stainless Steel Type 317L to be welded without sensitization to intergranular corrosion resulting from chromium carbide precipitation in the grain boundaries.
Stainless Steel Type 317L is non-magnetic in the annealed condition but may become slightly magnetic as a result of cold working or welding.
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