ISO 4957:2018 specifies requirements for wrought tool steels covering non-alloy cold-work tool steels, alloy cold-work tool steels, alloy hot-work tool steels, and high-speed tool steels. The standard applies to products such as hot-rolled, forged, cold-drawn, cold-rolled and powder-metallurgy products supplied in specified surface and heat-treatment conditions. ISO confirms the 2018 edition as the current edition, reviewed and confirmed in 2023. Ladhani Metal Corporation is a manufacturer, supplier, and exporter of ISO 4957 Tool Steels, available in different grades, sizes, forms, surface conditions, and heat-treatment conditions. Products can be supplied with mill test certificates and strict quality inspection as per international standards. Forms of Supply • Tool Steel Bars | Round Bars | Flat Bars | Square Bars | Hexagonal Bars | Tool Steel Plates | Tool Steel Sheets | Forgings | Cold Drawn Bars | Hot Rolled Bars | Ground Bars | Precision Ground Bars | Tool Steel Strips Available Grades 105V | 50WCrV8 | 60WCrV8 | 102Cr6 | 21MnCr5 | 70MnMoCr8 | 90MnCrV8 | 95MnWCr5 | X100CrMoV5 | X153CrMoV12 | X210Cr12 | X210CrW12 | 35CrMo7 | 40CrMnNiMo8-6-4g | 45NiCrMo16 | 55NiCrMoV7 | 32CrMoV12-28 | X37CrMoV5-1 | X38CrMoV5-3 | X40CrMoV5-1 | 50CrMoV13-15 | X30WCrV9-3 | X35CrWMoV5 | 38CrCoWV18-17-17 The ISO 4957:2018 tables classify tool steels according to cold-work, hot-work and high-speed tool-steel groups. The grades supplied under the standard include alloy cold-work and hot-work grades such as 105V, 50WCrV8, 60WCrV8, 102Cr6, 21MnCr5, 70MnMoCr8 and 90MnCrV8. Steel Types • Alloy Cold-Work Tool Steels | 105V | 50WCrV8 | 60WCrV8 | 102Cr6 | 21MnCr5 | 70MnMoCr8 | 90MnCrV8 | 95MnWCr5 | X100CrMoV5 | X153CrMoV12 | X210Cr12 | X210CrW12 • Alloy Tool Steels for Toughness and Strength | 35CrMo7 | 40CrMnNiMo8-6-4g | 45NiCrMo16 | 55NiCrMoV7 | 32CrMoV12-28 • Hot-Work Tool Steels | X37CrMoV5-1 | X38CrMoV5-3 | X40CrMoV5-1 | 50CrMoV13-15 | X30WCrV9-3 | X35CrWMoV5 | 38CrCoWV18-17-17 Chemical Composition – Example Grade X153CrMoV12 • Carbon (C): 1.45–1.70% • Silicon (Si): Max. 0.40% • Manganese (Mn): Max. 0.40% • Chromium (Cr): 11.00–12.50% • Molybdenum (Mo): 0.70–1.00% • Vanadium (V): 0.70–1.00% • Phosphorus (P): Max. 0.030% • Sulfur (S): Max. 0.030% X153CrMoV12 is an alloy cold-work tool steel characterized by high carbon and chromium content with molybdenum and vanadium additions, providing high hardness and wear resistance after suitable heat treatment. ISO 4957 includes this grade among its alloy cold-work tool steels. Mechanical Properties • High hardness after hardening and tempering • Excellent wear resistance • Good dimensional stability • High compressive strength • Good toughness depending on grade • Good resistance to deformation • High resistance to abrasion • Suitable for demanding tooling conditions The ISO 4957 standard provides reference values for annealed hardness, austenitizing temperature, tempering temperature and hardness in the hardened and tempered condition for the specified grades. Key Features • High hardness • Excellent wear resistance • High strength • Good toughness • Excellent dimensional stability • Good machinability in annealed condition • High resistance to abrasion • Suitable for precision tooling • Good heat-treatment response • Available in different grades and forms • Suitable for demanding tooling operations Material Characteristics ISO 4957 Tool Steels are selected according to the required combination of hardness, wear resistance, toughness, strength, dimensional stability and hot-temperature performance. Alloying elements such as chromium, molybdenum, vanadium, tungsten and nickel provide different combinations of wear resistance, hardenability, toughness and resistance to thermal effects. Applications • Dies • Punches • Cutting Tools • Blanking Tools • Forming Tools • Stamping Tools • Press Tools • Moulds • Shear Blades • Industrial Knives • Rollers • Gauges • Jigs and Fixtures • Hot-Working Dies • Forging Dies • Extrusion Tooling • Plastic Moulding Tools • Precision Engineering Tools Conclusion ISO 4957 Tool Steels provide a wide range of alloy and high-performance steels for cold-work, hot-work and other demanding tooling requirements. The available grades offer different combinations of hardness, wear resistance, toughness, strength and dimensional stability, allowing the appropriate grade to be selected according to tooling requirements. To place an order or make an enquiry for ISO 4957 Tool Steels, contact Ladhani Metal Corporation for your required grade, size, form, surface condition, heat-treatment condition and quantity. #ISO4957 #ISO4957ToolSteels #ISO4957Steel #ISO4957ToolSteel #ToolSteels #ToolSteel #ToolSteelBars #ToolSteelSupplier #ToolSteelManufacturer #ToolSteelExporter #ColdWorkToolSteel #HotWorkToolSteel #HighSpeedToolSteel #AlloyToolSteel #CarbonToolSteel #DieSteel #MouldSteel #PrecisionToolSteel #ToolSteelBarsSupplier

EN 10305-3 specifies technical delivery conditions for welded cold sized steel tubes used for precision applications. The tubes are characterized by closely controlled dimensional tolerances and specified surface quality. The standard covers circular tubes and, in its newer edition, also square and rectangular sections for precision applications. Ladhani Metal Corporation is a manufacturer, supplier, and exporter of EN 10305-3 Welded Cold Sized Steel Tubes, available in different grades, sizes, wall thicknesses, lengths, and delivery conditions. Tubes can be supplied with mill test certificates and strict quality inspection as per international standards. Forms of Supply • Welded Cold Sized Tubes | Precision Steel Tubes | Cold Sized Tubes | ERW Precision Tubes | Mechanical Tubes | Automotive Tubes | Hydraulic Tubes | Pneumatic Tubes | Round Tubes | Square Tubes | Rectangular Tubes | Cut-to-Length Tubes Available Grades E155 | E190 | E195 | E220 | E235 | E260 | E275 Steel Types • Low-Strength Precision Steel | E155 | E190 | E195 | E220 • Medium-Strength Precision Steel | E235 | E260 | E275 Chemical Composition – Example Grade E355 • Carbon (C): Max. 0.22% • Silicon (Si): Max. 0.55% • Manganese (Mn): Max. 1.60% • Phosphorus (P): Max. 0.025% • Sulfur (S): Max. 0.025% • Aluminium (Al): Min. 0.020% These are the cast-analysis limits listed for E355 in EN 10305-3. Mechanical Properties • E155: Tensile strength 270–410 MPa | Minimum yield strength 155 MPa | Minimum elongation 28% • E195: Tensile strength 300–440 MPa | Minimum yield strength 195 MPa | Minimum elongation 28% • E235: Tensile strength 340–480 MPa | Minimum yield strength 235 MPa | Minimum elongation 25% • E275: Tensile strength 410–550 MPa | Minimum yield strength 275 MPa | Minimum elongation 22% The listed mechanical values apply to the specified delivery condition and can vary with grade, tube dimensions, and delivery condition. Delivery Conditions • +CR1 – Cold Rolled / Cold Sized Condition • +A – Annealed Condition • +N – Normalized Condition The mechanical properties are specified according to the applicable delivery condition. Key Features • Welded construction • Cold sized finish • Excellent dimensional accuracy • Closely controlled tolerances • Controlled surface roughness • Good surface finish • Consistent wall thickness • Good concentricity • Reliable mechanical properties • Suitable for precision machining • Available in different steel grades • Suitable for automotive and engineering components Material Characteristics EN 10305-3 tubes combine welded tube production with cold sizing to achieve precise dimensions and controlled surface quality. Cold sizing improves dimensional consistency and allows tubes to be supplied for applications where accurate outside dimensions, wall thickness, and surface condition are important. Applications • Automotive Components • Vehicle Components • Mechanical Engineering • General Engineering • Furniture Components • Precision Machinery • Hydraulic Components • Pneumatic Components • Machine Parts • Precision Fabrication • Structural Machinery Components • Tubular Engineering Components The standard identifies vehicle, furniture, and general engineering among the typical application fields for these precision tubes. Conclusion EN 10305-3 Welded Cold Sized Steel Tubes provide precision-engineered solutions requiring accurate dimensions, controlled tolerances, and specified surface quality. The range includes conventional E-series precision steels along with higher-strength and advanced steel grades for demanding engineering requirements. To place an order or make an enquiry for EN 10305-3 Welded Cold Sized Steel Tubes, contact Ladhani Metal Corporation for your required grade, size, wall thickness, length, and delivery condition. #EN10305.3 #EN10305.3SteelTubes #EN10305.3Tubes #EN10305.3WeldedTubes #EN10305.3PrecisionTubes #EN10305.3SteelTubeSupplier #EN10305.3SteelTubeManufacturer #EN10305.3SteelTubeExporter #WeldedPrecisionTubes #PrecisionSteelTubes #ColdSizedSteelTubes #ColdFinishedTubes #WeldedSteelTubes #MechanicalTubes #EngineeringSteelTubes #CarbonSteelTubes #PrecisionTubes #AutomotiveSteelTubes #HydraulicTubes #PneumaticTubes #MachineTubes #IndustrialSteelTubes #SteelTubeSupplier #SteelTubeManufacturer #SteelTubeExporter #PrecisionTubeSupplier #EuropeanSteelStandard #ENSteelStandard #Mumbai #Delhi #Chennai #Kolkata #Bengaluru #Hyderabad #Ahmedabad #Pune #Surat #Jaipur #Lucknow #Kanpur #Nagpur #Indore #Srinagar #Aurangabad #Dhanbad #Amritsar #NaviMumbai #Allahabad

EN 10305-2 specifies technical delivery conditions for welded cold drawn steel tubes used for precision applications. These tubes are manufactured from electric-welded hollows followed by cold drawing, providing close dimensional tolerances, controlled surface quality, and reliable mechanical properties. Ladhani Metal Corporation is a manufacturer, supplier, and exporter of EN 10305-2 Welded Cold Drawn Steel Tubes, available in different grades, sizes, wall thicknesses, lengths, and delivery conditions. Tubes can be supplied with mill test certificates and strict quality inspection as per international standards. Forms of Supply • Welded Cold Drawn Tubes | Precision Steel Tubes | ERW Cold Drawn Tubes | Mechanical Tubes | Automotive Tubes | Hydraulic Tubes | Pneumatic Tubes | Cylinder Tubes | Cut-to-Length Tubes | Custom Size Tubes Available Grades E155 | E195 | E235 | E275 | E355 These grades are identified in EN 10305-2 for welded cold drawn precision tubes. Delivery Conditions • +C – Cold Drawn / Hard • +LC – Cold Drawn / Soft • +SR – Cold Drawn and Stress Relieved • +A – Annealed • +N – Normalized EN 10305-2 specifies these delivery conditions according to the required mechanical properties and manufacturing condition. Steel Types • E155 – Low-strength precision steel • E195 – Non-alloy precision steel • E235 – Medium-strength precision steel • E275 – Higher-strength precision steel • E355 – High-strength precision steel Chemical Composition – Example Grade E355 • Carbon (C): Max. 0.22% • Silicon (Si): Max. 0.35% • Manganese (Mn): Max. 1.60% • Phosphorus (P): Max. 0.025% • Sulfur (S): Max. 0.025% The EN 10305-2 composition limits vary by grade; for E355, the cited standard data gives maximum values of 0.22% C, 0.35% Si, 1.60% Mn, 0.025% P and 0.025% S. Mechanical Properties • E155: Tensile strength 270–410 MPa and minimum yield strength 155 MPa in +N condition • E195: Tensile strength 300–440 MPa and minimum yield strength 195 MPa in +N condition • E235: Tensile strength 340–480 MPa and minimum yield strength 235 MPa in +N condition • E275: Tensile strength 410–550 MPa and minimum yield strength 275 MPa in +N condition • E355: Tensile strength 490–630 MPa and minimum yield strength 355 MPa in +N condition Mechanical properties vary according to grade and delivery condition. Key Features • Welded and cold drawn construction • Excellent dimensional accuracy • Tight outside diameter tolerances • Controlled wall thickness • Smooth surface finish • Good concentricity • Reliable mechanical properties • Suitable for precision machining • Available in multiple delivery conditions • Suitable for further forming and fabrication • Consistent quality for mass production Material Characteristics EN 10305-2 tubes combine an electric-welded manufacturing process with cold drawing to achieve close dimensional tolerances and improved surface quality. The cold drawing operation can also modify the mechanical properties according to the selected delivery condition. Applications • Automotive Components • Mechanical Engineering • Precision Machinery • Hydraulic Cylinders • Pneumatic Cylinders • Shock Absorbers • Telescopic Cylinders • Furniture Components • Machine Components • Precision Fabrication • General Engineering • Vehicle Components EN 10305-2 tubes are commonly associated with vehicle, furniture, and general engineering applications. Conclusion EN 10305-2 Welded Cold Drawn Steel Tubes provide precision-engineered solutions where accurate dimensions, controlled surface quality, and reliable mechanical properties are required. The E155, E195, E235, E275, and E355 grades are available in different delivery conditions to meet specific engineering requirements. To place an order or make an enquiry for EN 10305-2 Welded Cold Drawn Steel Tubes, contact Ladhani Metal Corporation for your required grade, size, wall thickness, length, and delivery condition. #EN10305.2 #EN10305.2SteelTubes #EN10305.2Tubes #EN10305.2WeldedTubes #EN10305.2PrecisionTubes #EN10305.2ColdDrawnTubes #EN10305.2SteelTubeSupplier #EN10305.2SteelTubeManufacturer #EN10305.2SteelTubeExporter #PrecisionSteelTubes #WeldedPrecisionTubes #ColdDrawnSteelTubes #ColdFinishedTubes #PrecisionTubes #MechanicalTubes #EngineeringSteelTubes #CarbonSteelTubes #AutomotiveSteelTubes #HydraulicTubes #PneumaticTubes #MachineTubes #PrecisionSteelTubeSupplier #SteelTubeSupplier #SteelTubeManufacturer #SteelTubeExporter #EuropeanSteelStandard #ENSteelStandard #SteelTubesIndia #LadhaniMetals #PrecisionTubeSolutions #Mumbai #Delhi #Chennai #Kolkata #Bengaluru #Hyderabad #Ahmedabad #Pune #Surat #Jaipur #Lucknow #Kanpur #Nagpur #Indore #Srinagar #Aurangabad #Dhanbad #Amritsar #NaviMumbai #Allahabad #Ranchi #Howrah #Jabalpur #Gwalior #Vijayawada