Thread rolling diametter grinded (TRB) M10 -M64 and inch UNC and 8UN

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

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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.

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

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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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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 10.72–120 mm
Hex Bars 22–55 mm

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Material properties: Tensile Strength 860– MPa, Yield Strength 720– MPa, Working temperature –450 °C

Equivalent or similar: AISI 4140, SA320-L7, 1.7225 / 42CrMo4+QT, 42CD4

USA fasteners grade ASTM / ASME with Europe certifications. PED and ADW. Charpy min. 27J

Round Bars 14.52–210 mm

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Material properties: Tensile Strength 850–1000 MPa, Yield Strength 700– MPa, Working temperature –550 °C

Equivalent or similar: K14072, SA193-B16, SA194 Gr.16, Alloy steel 661, 661B (UK), BS 1506 671-850, 42CDV4, Durehete 950

DUREHETE 950 Uses Power generation (turbine fastener, boiler support rods) Process plant fasteners