What is the composition of SAE 51B60 Boron-Treated Chromium Steel?

Published composition ranges are not available for SAE 51B60 Boron-Treated Chromium Steel in this record. PARTIAL - parsed from a truncated 500-char source excerpt; the element set is INCOMPLETE and must NOT be used for validation, specification or purchasing

What standards cover SAE 51B60 Boron-Treated Chromium Steel?

The governing standards for SAE 51B60 Boron-Treated Chromium Steel include SAE J404, ASTM A304. Mill certificates typically call out the most specific AMS or ASTM number applicable to the product form.

What is SAE 51B60 Boron-Treated Chromium Steel used for?

This alloy is used in applications demanding the property set described in its family: low_alloy_steel.

How do I verify a mill certificate for SAE 51B60 Boron-Treated Chromium Steel?

Compare each element value on the certificate against the min/max ranges in the spec table above. Paste the values into the SpecBase validator to get an automated pass/fail check.

SAE 51B60 Boron-Treated Chromium Steel

UNS K51B60 low_alloy_steel

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Quick answer

SAE 51B60 Boron-Treated Chromium Steel is a low alloy steel specified by SAE J404, ASTM A304. Typical composition: .

SAE 51B60 is a boron-treated chromium alloy steel, offering improved hardenability compared to non-boron grades. It is commonly used for springs and other parts requiring high strength and toughness.

Applicable Standards

SAE J404
ASTM A304

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