ML20Al - GB /T 5953.2-2009

Grade	ML20Al
Corresponding Standard	GB /T 5953.2-2009 Steel Wire for Cold Heading and Cold Forging— Part 2: Not Intended for Heat Treatment
Classification	Carbon Steel

ML20Al Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Al ^ⓐ
Minimum Value	0.18	-	0.3	-	-	0.02
Maximum Value	0.23	0.1	0.6	0.03	0.035	-

ML20Al Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Reduction of Area ψ %	Hardness HBW
d≤3	HD	≥850	≥35
3＜d≤4	HD	≥690	≥40
4＜d≤5	HD	≥570	≥45
5＜d≤25	HD	≥480	≥45	HRB ≤97
d≤25	SALD	450~570	≥65	HRB ≤90

Approximate Comparison Table

China		Japan	United States	International Organization for Standardization	Germany		European Standard
GB	ISC	JIS	ASTM	ISO	DIN EN/DIN	W-Nr.	EN	Numerical Grade
ML20Al	U40208	SWRCH20A	1020	CC21A C20E2C	C20C	1.0411	C20C C20E2C	1.0411

ML20Al Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!