Comparison

450 or 500 HBW

How abrasion resistance, forming and welding change between 450 and 500 HBW plate.

Abrasion resistance

450 HBW4 out of 5
500 HBW5 out of 5

Ease of forming

450 HBW4 out of 5
500 HBW3 out of 5

Ease of welding

450 HBW4 out of 5
500 HBW3 out of 5

Qualitative comparison of 450 and 500 HBW wear plate
Criterion	450 HBW	500 HBW
Nominal hardness	Approx. 450 HBW	Approx. 500 HBW
Typical applications	Dump bodies, hoppers, buckets, chutes, crushers and liners	Dump bodies, hoppers, buckets, chutes, crushers and liners
Forming	Bendable with suitable radii; the most versatile	Needs generous radii and tighter control
Welding	Good with heat control and preheating depending on thickness	Requires preheating and low-hydrogen consumables
Abrasion conditions	High	Severe
When to choose it	When the part is fabricated in the workshop and abrasion is high	When abrasion dominates and service life is critical

Qualitative, indicative comparison. Actual properties depend on the grade, thickness and the manufacturer’s datasheet. Bars show a relative trend, not measured values.

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