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Type		Chemical Composition
AWS A5.18	GBT8110	C	Mn	Si	P	S	Ni	Cr	Mo	V	Cu
ER70S-6	ER 50-6	0.06~0.15	1.40~1.85	0.8~1.15	≤0.025	≤0.035	≤0.15	≤0.15	≤0.15	≤0.03	≤0.50
ER50S-6	ER 50-6	0.06~0.15	1.40~1.85	0.8~1.15	≤0.025	≤0.025	≤0.15	≤0.15	≤0.15	≤0.03	≤0.50
SG2 / G3Si1	EN 440 G46-3 ISO14341	0.06-0.14	1.30~1.60	0.70~1.00	≤0.025	≤0.025	≤0.15	Al≤0.02	≤0.15	Ti+Zr≤0.15
SG3 / G4Si1	EN 440 G46-3 ISO14341	0.06~0.14	1.60~1.90	0.80~1.20	≤0.025	≤0.025	≤0.15	Al≤0.02	≤0.15	Ti+Zr≤0.15
ER70S-3	ER 5754 (AlMg 3)	0.06~0.15	0.9~1.40	0.45~0.75	≤0.025	≤0.035	≤0.15	≤0.15	≤0.15	≤0.03	≤0.50
ER70S-G	Sample	0.07~0.10	1.51~1.80	0.65~1.00	≤0.035	≤0.035	Ti			Actually: As agreed between supplieand buyer ( Normal ER70S-6 +Ti )
ER70S-G	Sample	0.07~0.10	1.51~1.80	0.65~1.00	≤0.035	≤0.035	0.15~0.20
Note: AWS A5.18: Any copper plating layer on the filler wire, plus the copper with the metal itself, shall not exceed the maximum of 0.50% (including copper plating). EN440 : If Cr ≤ 0.15,Cu ≤0.35 and V ≤ 0.03 are not specified.The residual copper content in the steel plus the total coating should not exceed 0.35%(m/m).

Type		Mechanical Properties
AWS A5.18	GBT8110	Tensile Strength Mpa	Yield Strength Mpa	Elongation A ( % )	Impact Value KV2 (J)-30℃
ER70S-6	ER 50-6	≥480	≥400	≥22	≥27
ER50S-6	ER 50-6	≥500	≥420	≥22	≥27
SG2 / G3Si1	EN 440 G46-3 ISO14341	530~680	≥460	≥20	≥47
SG2 / G3Si1					KV2 (J)-40℃
SG3 / G4Si1					≥47
ER70S-3	ER 5754 (AlMg 3)	≥480	≥400	≥22	-20℃
ER70S-3	ER 5754 (AlMg 3)	≥480	≥400	≥22	≥47
ER70S-G	Sample	≥480	≥400	≥22	Actually: As agreed between supplieandbuyer(Normal ER70S-6 +Ti)
Note:For ER50-3/ER50-6 wire, tensile resistance and yield may be reduced by every 10 Mpas when elongation past the minimum value every 1%,but the minimum tensile resistance value shall not be less than 480 Mpa and the yield shall not be less than 400 Mpa.

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