Enwere ike kewa nke ọma n'ime obere carbon ígwè, ala carbon steel na akwa carbon dị elu. Carbon ígwè dị ala - ọdịnaya carbon na-erughị 0.25%; igwe carbon carbon - ọdịnaya carbon dị n'etiti 0,25 na 0.60%; Mpempe carbon dị elu - ọdịnaya carbon dị ukwuu karịa 0.60%.
Standard Standard: Obodo m Taiwan Cns Standard Stael S20c, Germany Star Standard nọmba 1.0402, German Dan Standard Stael CK22 / C22. Standard BS Standard Standard Account IC22, Perven Verton Standard Station CC20, A French NF Standard C22, Ntọala NBN Standard C25 / C20 Ee e.
Ihe mejupụtara kemịkal: carbon c: 0.30 silicon si: 0.17 ~ 0.035.25 nicken c: ≤0.25 nicken cu: ≤0.25.25 nke anọ, Njirimara nke anọ : Tensile ike σb (MPA) 55 mmetụta siri ike siri ike αKV (J / cm² (7)