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Category: Standards, Specifications & Grades

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  1. Introduction to Stainless Steel

    Stainless steels are corrosion resistant steels with a minimum of 10.5 per cent of chromium (Cr). The family or type terms ferritic, martensitic, austenitic and duplex are introduced. The main property of stainless steels, their corrosion resistance, is outlined. The affect of chromium, nickel and molybdenum on corrosion resistance is mentioned. Other useful properties of stainless steels, such as their high (oxidation resistance) and low (cryogenic) temperature resistance and work hardening are also mentioned. Welding, brazing and soldering as joining methods are also described briefly. A short list of example grades, such as 1.4016 (430S17) 1.4512 (409S19) ferritics, 1.4028 (420S45) martensitic, 1.4362 1.4462 (2205) duplex, 1.4301 (304) 1.4307 (304S11) 1.4404 (316S31) 1.4541 (321S31) 1.4539 (904L) and 1.4547 (6% Mo) are also shown.

  2. Martensitic Stainless Steels

    Martensitic stainless steels are magnetic. Their main alloying elements are chromium (typically 18%) and carbon, They are used for strength and moderate corrosion resistance. Examples of martensitic grades are 410 410S21 (1.4006), 420 420S29 (1.4021), 431 431S29 (1.4057) and 440C (1.4125).

  3. Matrices of European (EN) & ISO Standards for Stainless Steels

    EN standards covering materials, designations, inspection and dimensions (tolerances), testing and certification are shown in a single table. There is a similar table for international ISO standards.

  4. Mechanical properties for stainless steels to BS EN 10217-7

    Mechanical properties of stainless steels to BS EN 10217-7 for welded stainless steel tubes for pressure purposes.

  5. NACE MR 0175/ISO 15156 for Corrosion Resistant Alloys for Sulphide Service

    The NACE MR0175 standard for sulfide ( sulphide ) stress corrosion cracking resistant metallic materials for oilfield equipment is now also available as an ISO standard 15156. This article summarises the requirements for all types of stainless steel austenitic , ferritic, duplex, martensitic and precipitation hardening stainless steels which are covered by the standard. Mill softened material will normally be found to comply with the requirements.

  6. Non-stainless steel grades - BS 1449-1 strip and BS EN 10083-2 quenched and tempered grades

    This article provides a link to the National Metals Technology Centre (NAMTEC), for information on non-stainless grades CR34/20 CR37/23 CS4 CS10 CS12 CS17 CS20 CS22 CS30 CS40 CS50 CS60 CS70 CS80 CS95 CS34/20 CS37/23 CS40/30 CS 43/34 CS46/40 CS50/45 CS60/55 CS40F30 CS43F35 CS46F40 CS50F45 CS60F55 HR1 HR2 HR3 HR4 HR14 HR15 HS1 HS2 HS3 HS4 HS10 HS12 HS14 HS15 HS17 HS20 HS22 HS30 HS40 HS50 HS60 HS70 HS80 HS95 C22 C25 C30 C35 C40 C45 C50 C55 C60 38Cr2 38CrS2 46Cr2 46CrS2 34Cr4 34CrS4 37Cr4 37CrS4 41Cr4 41CrS4 25CrMo4 25CrMoS4 34CrMo4 34CrMoS442CrMo4 42CrMoS4 50CrMo4 36CrNiMo4 34CrNiMo6 30CrNiMo8 36 NiCrMo16 51CrV4

  7. Non-stainless steel grades - BS 970 and BS 1429 alloy steel grades

    This article provides a link to the National Metals Technology Centre (NAMTEC), for information on non-stainless grades including 040A04 040A10 040A12 080A15 080A20 080M15 055M15 060A62 060A67 080A67 060A78 060A81 280M01 708M40 709M40 720M32 722M24 897M39 905M39 045M10 045A10 130M15 125A15 210M15 210A15 214A15 214M15 523H15 523M15 527H17 527M17 527A17 590H17 590M17 590A17 635H15 635M15 635A14 637H17 637M17 637A16 655H13 655M13 665H17 665M17 665H20 665M20 665H23 665M23 708H20 708M20 805H17 805M17 805A17 805H20 805M20 805A20 805H22 805M22 805A22 808H17 808M17 815H17 815M17 820H17 820M17 822H17 822M17 823H13 823M13 835H15 835M15 251A58 251A60 251H60 525A58 525A60 525H60 515A61 685A57 685H57 704A60 704H60 705A60 705H60 735A51 735H51 735A54 805H60 925A60 230M07 216M36 212A42 226M44 080A30 080M30 080M40 080A42 080A47 080M50 070M55 150M19 150M36 045A10 045M10 530M40 605M36 606M36 722M24 817M40 826M31 826M40 945M38 090A65 070A72 060A96 735A50 685A55

  8. Non-stainless steel grades - Emergency number En steel grades

    This article provides a link to the National Metals Technology Centre (NAMTEC), for information on non-stainless grades including En1 En2 En3 En4 En5 En8 En9 En10 En11 En12 En13 En14 En16 En18 En19 En21 En22 En23 En24 En25 En26 En27 En28 En31 En32 En33 En34 En35 En36 En40 En41 En42 En43 En44 En45 En202 En355

  9. Non-stainless steel grades - European steel number (EN) grades

    This article provides a link to the National Metals Technology Centre (NAMTEC), for information on non-stainless grades including 1.0035 1.0037 1.0036 1.0038 1.0114 1.0116 1.0117 1.0044 1.0143 1.0144 1.0145 1.0045 1.0553 1.0570 1.0577 1.0595 1.0596 1.0050 1.0060 1.0070 1.0345 1.0425 1.0481 1.0473 1.5415 1.7335 1.7380 1.7383 1.0486 1.0487 1.0488 1.1104 1.0562 1.0565 1.0566 1.1106 1.8905 1.8935 1.8915 1.8918 1.6212 1.6217 1.6228 1.5637 1.5680 1.5662 1.5663 1.8821 1.8832 1.8833 1.8824 1.8835 1.8828 1.8826 1.8837 1.8831 1.8866 1.8867 1.8868 1.8869 1.8870 1.8871 1.8872 1.8864 1.8873 1.8874 1.8875 1.8865 1.8879 1.8880 1.8881 1.8888 1.0438 1.0439 1.1151 1.1149 1.1158 1.1163 1.1178 1.1179 1.1181 1.1180 1.1186 1.1189 1.1191 1.1201 1.1206 1.1241 1.1203 1.1209 1.1221 1.1223 1.1170 1.7003 1.7023 1.7006 1.7025 1.7033 1.7037 1.7034 1.7038 1.7035 1.7039 1.7218 1.7213 1.7220 1.7226 1.7225 1.7227 1.7228 1.6511 1.6582 1.6580 1.6773 1.8159 1.0402 1.0406 1.0528 1.0501 1.0511 1.0503 1.0540 1.0535 1.0601 1.5530 1.5531 1.5532 1.7182 1.7185 1.7189 1.0332 1.0398 1.0335 1.0389 1.0566 1.8902 1.8912 1.8905 1.8915 1.8818 1.8819 1.8823 1.8834 1.8825 1.8836 1.8827 1.8838 1.0111 1.0423 1.0437 1.0557 1.8908 1.8906 1.8916 1.8924 1.8909 1.8984 1.8904 1.8926 1.8986 1.8914 1.8927 1.8987 1.8931 1.8928 1.8988 1.8940 1.8983 1.8925 1.8941 1.8933 1.8980 1.8990 1.8991 1.8992 1.8993 1.8994 1.8995 1.8996 1.8958 1.8961 1.8945 1.8946 1.8959 1.8963 1.8965 1.8966 1.8967 1.0039 1.0149 1.0138 1.0547 1.0576 1.0493 1.0497 1.0539 1.0549 1.8953 1.8956 1.8843 1.8844 1.8845 1.8846 1.8847 1.8848 1.8849 1.8850 1.0493 1.0497 1.0539 1.0549 1.8953 1.8956

  10. Non-stainless steel grades - pressure purposes alloy steel grades

    This article provides a link to the National Metals Technology Centre (NAMTEC), for information on non-stainless grades including P235GH P265GH P295GH P355GH P275N P275NH P275NL1 P275NL2 P355M P355ML1 P355ML2 P355N P355NH P355NL1 P355NL2 P355Q P355QH P355QL1 P355QL2 P420M P420ML1 P420ML2 P460M P460ML1 P460ML2 P460N P460NH P460NL1 P460NL2 P460Q P460QH P460QL1 P460QL2 P500Q P500QH P500QL1 P500QL2 P690Q P690QH P690QL1 P690QL2 16Mo3 13CrMo4-5 10CrMo9-10 11CrMo9-10 11MNNi5-3 13MnNi6-3 15NiMn6 12Ni14 12Ni19 X8Ni9 X7Ni9 161-360 161-400 161-430 271 281 621 660

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