KC-90SB9 (ER90S-B9)

Key Features


Sizes (mm)	Standard		Welding Position View(+)	Shielding gas	Polarity
1.2~1.6	AWS A5.28 EN 21952-A EN 21952-B	ER90S-B9 G CrMo91 G 62 9C1MV	F, HF	Ar+5%CO2	DC(+)


Typical chemical composition of wire (%)
C	Si	Mn	P	S	Cr	Ni	Mo	Remark
0.10	0.23	0.75	0.005	0.002	9.10	–	0.94	V : 0.18 Nb : 0.06


Typical mechanical properties of all-weld metal
Y.S (MPa)	T.S (MPa)	EI. (%)	Hardness (HV)	IV (J)	PWHT
540	750	20	–	90 (0℃)	760℃x2Hr

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