Comparison of flexural strength and deflection of 6W6Mo5Cr4V and W18Cr4V steel

Comparison between W6Mo5Cr4V and W18Cr4V Steel for Bending Strength and Deflection

Bending of steel plays an important role in many engineering applications, from structural frames to pipelines. Different grades of steel have different mechanical properties, and therefore, bend differently. Grades like W6Mo5Cr4V and W18Cr4V are commonly sought after for their superior mechanical properties and superior bending performance. This article aims to compare the bending strength and deflection of W6Mo5Cr4V and W18Cr4V steels.

Both W6Mo5Cr4V and W18Cr4V steels are high-tensile, low-alloyed steels. The W6Mo5Cr4V is a high-tensile steel with a yield strength of over 800MPa, while the W18Cr4V has a slightly lower yield strength of around 750MPa. Their respective tensile strengths are approximately 1250MPa and 1100MPa, respectively. This difference in strength is reflected in their superior bending strengths.

The W6mo5cr4v steel has a maximum bending strength of over 900N/mm2, while the w18cr4v steel has a lesser strength at around 500N/mm2. This difference in bending strength is due to the higher tensile strength of the W6Mo5Cr4V steel and its superior ability to retain its shape under heavy loading. Additionally, the W6mo5cr4v steel has higher percentage elongation, meaning that it can tolerate more stress without permanently deforming.

The higher tensile strength of the W6Mo5Cr4V steel also leads to a reduced amount of deflection when bending. The W6mo5cr4v steel can withstand a bending load of up to 11.7mm of deflection before it buckles. This is significantly lower than the deflection of 16.3mm experienced by the W18Cr4V steel, making the W6Mo5Cr4V a superior option for applications where minimal deflection is desired.

Finally, it is important to note that that W6Mo5Cr4V and W18Cr4V steels have different properties in corrosive environments. The W6Mo5Cr4V steel is more corrosion-resistant than the W18Cr4V steel, making it a more ideal choice for applications where contact with water or other corrosive elements is likely. Additionally, the W6mo5cr4v steel tends to be more expensive than the W18Cr4V due to its superior properties and better corrosion resistance, making it a slightly more expensive option.

In conclusion, the W6Mo5Cr4V and W18Cr4V steels are two grades of steel that offer different bending strengths and deflection. The W6Mo5Cr4V steel has a higher maximum bending strength and lower deflection than the W18Cr4V steel, making it a superior option for applications where highbending strength and minimal deflection is desired. Additionally, the W6Mo5Cr4V steel is more corrosion resistant than the W18Cr4V, making it ideal for applications in corrosive environments. Finally, the W6Mo5Cr4V steel is also more expensive than the W18Cr4V, meaning that there is a slight trade-off in cost for its superior performance.

Comparison of Flexural Strength and Deflection of H6W6Mo5Cr4V and W18Cr4V Steel

H6W6Mo5Cr4V and W18Cr4V are two different types of steel, with different chemical composition and corresponding mechanical properties, which present great differences between them in terms of flexural strength and deflection. Although H6W6Mo5Cr4V and W18Cr4V are both belong to the category of hot-rolled stainless steel, their flexural strength and deflection varies greatly.

The chemical composition of H6W6Mo5Cr4V is 1.5-3.5% chromium, 0.15-1.0% molybdenum, 0.41-0.97% silicon, 0.032-0.22% carbon, 0.33-2.44% tungsten, 0.19-1.67% manganese, and 0.0-1.5% nickel. The mechanical properties of this steel are mainly affected by its chromium content, which ensures that it has good corrosion resistance and low frictional resistance. Its hardness can reach HRC41-52, and its ultimate tensile strength (UTS) can reach 1900-2600MPa. Its yield strength (YS) can reach 650-1600MPa.

In comparison, the chemical composition of W18Cr4V is 0.15-0.4% carbon, 17.4-21.4% chromium, 1.4-2.2% molybdenum, tungsten 0.7-1.6%, vanilla < 0.2%, manganese < 0.4%, and remaining is iron. Under normal HPOa design, its tensile strength (TS) can reach 1200-2300MPa, and its UTS is usually 1200-1800MPa, while its YS is usually 1100-1700MPa. The hardness is usually HRC46-50.

In terms of flexural strength and deflection, H6W6Mo5Cr4V steel has better flexural strength but worse deflection than W18Cr4V steel. The flexural strength of H6W6Mo5Cr4V is usually 400-550 MPa, while the flexural strength of W18Cr4V is usually 600-800 MPa. However, the deflection of H6W6Mo5Cr4V steel is usually more than twice that of W18Cr4V steel, which is mainly due to the fact that H6W6Mo5Cr4V steel has better ductility but poorer tensile strength.

In summary, it can be seen that H6W6Mo5Cr4V and W18Cr4V steel have great differences in terms of customer flexural strength and deflection. H6W6Mo5Cr4V has better flexural strength, but poorer deflection, while W18Cr4V has poorer flexural strength, but better deflection. Therefore, customers should make a proper choice according to their own specific needs when choosing between the two steels.