Tham khảo tài liệu 'stainless steel manual part 8', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | UNS S41400 Type 414 163 Martensitic Type 414 is a martensitic nickel-bearing chro- When heat treated it will attain slightly mium stainless steel with somewhat better cor- higher mechanical properties than Type 410. rosion resistance than Type 410. See also the Section on Typical Applications. UNS S41400 Chemical Composition Limits Cast or Heat Analysis Percent c Mn p s Si Cr Ni Max Max Max Max Max Physical Properties in the Annealed Condition Melting Range F C Modulus of Elasticity in Tension psi MPa 2600-2700 1425-1480 X 106 200 000 Density lb in3 ke m3 7 750 Thermal Treatment Initial Forging F C Electrical Resistivity Microhm mm 68 F 20 C Slow cool 2100-2200 1149-1204 and anneal from these temperatures. Full Annealing Not practical. 700 Specific Heat Btu lb F kJ ke-K 32-212 F 0-100 C Process Annealing F C Thermal Conductivity Btu ft h F W mK 1200-1300 649-704 Hardening 212 F 100 C F C 932 F 500 C 1800-1900 981-1036 Mean Coefficient of Expansion in in F cm cm C Cool rapidly from these temperatures. 32-212 F 32-600 F X 10 6 0-100 C X X 10 6 O-315 C X 10 6 10 6 Tempering F C 32-1000 F X 10 6 0-538 C X 10 6 400-1300 204-704 MECHANICAL PROPERTIES Form and Condition Tensile ASTM Strength Specification ksi MPa Min Yield Strength ksi MPa Min Elongation Min Reduction in Area Hardness Min HB Max HR Max Bar Annealed Condition T Wire Annealed Forgings Annealed Condition T Condition H Mechanical Tubing Annealed A276 115 793 A276 115 793 A580 150 1034 b A473 A473 115 793 A473 125 862 A511 100 689 90 621 90 621 90 621 100 689 65 448 20 15 15 15 15 60 298 45 298 45 321 45 321 235 B99 Typical value. bMaximum. 164 UNS S41500 13Cr-4Ni F6NM Martensitic S41500 is a martensitic stainless steel having better toughness than the conventional marten sitic stainless steels. This is the wrought version of the cast alloy CA-6NM. UNS S41500 Chemical Composition Limits Cast or .
