technicallrg 4140 vs 4130 lanternmark

Estimated Reading Time 3 mins12345NextTECHNICAL LRG 4140 vs 4130 LANTERNMARK

Feb 19,2018·4140 is similar in composition to 4130 except for the higher carbon content.The 30 in 4130 represents the carbon content by % of weight (0.28-0.33 % for 4130 vs 0.38-0.43 % for 4140).Because of its higher carbon content,4140 steel has greater hardenability and strength than does 4130.

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