AD 2000 Merkblatt W7/W10, DIN 17240, DIN 267 Part 13, EN 10269, PED 2014/68 EU, PED 97/23 EU
Conforms with: Alstom, B50A576 A, B50A951 A1, A2, Doosan Skoda Power, GE, ITN 02116/A, ITN 02123, MAN, Nuovo Pignone, Q-ST-D-51-218, STM M23001, STV M13122, TLV 1104, TLV 936703, TPQ 03414, TPQ100888/A
Material properties: Tensile Strength 900–1050 MPa, Yield Strength 750– MPa, Working temperature 0–580 °C
Creep resisting steel, hardened and tempered. Usual upper temperature limit for continuous operating 580°C, Using: Bolts, Nuts, Turbine Blades, Steam Valve and Turbine components SIMILAR BUT NOT AN EQUIVALENT TO AISI 422 SS
Bright or hot rolled EN 10060, Thread rolling diametter grinded (TRB) M10 -M64 and inch UNC and 8UN
AD 2000 Merkblatt W10, AD 2000 Merkblatt W7, DIN 17240, EN 10269, PED 2014/68 EU, PED 97/23 EU
EN 10204-3.1 Europe Origin, EN 10204-3.2 TÜV Germany
Conforms with: Alstom, DGTLV-815209001, GE
Material properties: Tensile Strength 600–750 MPa, Yield Strength 440– MPa, Working temperature 60– °C
Equivalent or similar: Similar chemical composition with 42CrMo4+QT and SA 193-B7/SA320-L7 but with lowest Carbon content and lowest Tensile Strenght. AISI 4130, SS2225, GOST 20KHM, 30KHM, 30KHMA, G25CrMo4, 1.7258 / 24CrMo5, 1.7219 / 26CrMo4 Mechanical conform with DIN EN 898-1 grade 5.6 and DIN EN 898-2 grade 5.0
Usualy used for high and low temperutare bolting. Charpy RT min 60J
Bright or hot rolled EN 10060, Thread rolling diametter grinded (TRB) M10 -M64 and inch UNC and 8UN
AD 2000 Merkblatt W7, EN 10269, PED 2014/68 EU, PED 97/23 EU
EN 10204-3.1 Europe Origin, EN 10204-3.2 TÜV Germany
Conforms with: AA 10620, ABB, ABB Alstom, Alstom, BHEL, DGTLV-818609001, DGTLV-818641001, GE, MAN, NB00140, Siemens, ST460TS, TLV 918601, TLV 9248 06
Material properties: Tensile Strength 700–850 MPa, Yield Strength 550–1 MPa, Working temperature 0–550 °C
Equivalent or similar: CSN 15320.5, CSN 15320.6, 21HMF, 20CDV5-07, 25KH1M1F, MCrMoV, ST460TS, Cr-Mo-V, 20CDV5-07 - 20 CDV 5-07 - 20CDV5.07
Chrome Molybdenum Vanadium steel 21CrMoV5-7 is used for steam and gas turbine components and also for high temperature industrial boilers, valves and oil & gas applications. Bolts, studbolts, nuts, washers, bonet bolts parts of the turbine, pumps, valves etc.
Conforms with: Alstom, CEGB 0259604/82 (T41), CEGB GDCD TD2 ISS2, GE, GEC Turbine Generators Ltd - spec 30/227 ISS 10/83, Siemens, TLV 9105, TLV 9185
Material properties: Tensile Strength 820–970 MPa, Yield Strength 660– MPa, Working temperature –570 °C
Alloy T41is designed for use for bolting, fastener and support rods in turbine, boiler and power plant applications. The material is particularly suitable in elevated temperature areas and where good creep, notch and relaxation resistance is required.