AD 2000 Merkblatt W7

Round Bars 10–500 mm
Hex Bars 15–50 mm

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Conforms with: , , , , , , , , , , , , ,

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

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.

Round Bars 10–180 mm
Hex Bars 18–36 mm

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Conforms with: , ,

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

Round Bars 10.72–120 mm
Hex Bars 22–55 mm

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Conforms with:

Material properties: Tensile Strength 860–1060 MPa, Yield Strength 730– MPa, Working temperature -100–450 °C

Equivalent or similar: SA 193-B7, SA320-L7, AISI 4140, SCM440H, 42CD4, 708M40, SS2244, GOST 35KHM, 38KHM, DIN EN 898-1 class 8.8 and DIN EN 898-2 class 8.0

Round Bars 10,68–100 mm

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Conforms with:

Material properties: Tensile Strength 530–710 MPa, Yield Strength – MPa, Working temperature – °C

Equivalent or similar: DIN X12Ni5/12Ni19, ANFOR 5Ni, ANFOR Z10N05, JIS SL5N590, AISI 2515, AISI 2517, AISI A2515, UNS E2517, UNS K41583