x1crnisi18154

c碳

si硅

mn錳

s硫

p磷

cr鉻

ni鎳

mo鉬

n氮

≤0.015

3.7-4.5

≤2.00

≤0.010

≤0.025

16.5-18.5

14.0-16.0

≤0.20

≥0.11