-			C	Si	Mn	Ni	Cr	Mo	N
Base metal	SUS304L		0.017	0.56	0.87	9.05	18.33	0.17	0.041
	SUS316L		0.022	0.52	0.85	12.09	17.59	2.13	0.038
Welding electrode	304L series	A	0.020	0.40	1.50	19.65	10.12	----	0.034
		B	0.020	0.39	1.50	18.77	10.85	----	0.034
		C	0.021	0.42	1.49	11.35	18.51	----	0.044
		D	0.020	0.40	1.48	17.45	12.14	----	0.038
	316L series	E	0.020	0.40	1.49	19.05	11.96	2.01	0.034
		F	0.021	0.42	1.50	18.10	12.81	2.03	0.033
		G	0.019	0.43	1.50	13.28	17.75	2.02	0.038
		H	0.016	0.40	1.51	17.08	14.20	2.04	0.038

P<0.035, S<0.0025

-		d-ferite content	Hydrogen content
			as welded	as hydrogen charged
304L series	WM-A	11 %	1.3 ppm	13.3 ppm
	WM-B	6 %	0.7 ppm	15.4 ppm
	WM-C	2 %	1.2 ppm	----------
	WM-D	0 %	1.0 ppm	12.3 ppm
316L series	WM-E	10 %	0.8 ppm	13.0 ppm
	WM-F	5 %	0.7 ppm	14.7 ppm
	WM-G	1 %	0.7 ppm	----------
	WM-H	0 %	0.8 ppm	15.3 ppm

FIGURE 1
DIMENSIONS AND SAMPLING POSITIONS OF
SPECIMENS FOR TENSILE TEST, CHARPY IMPACT TEST
AND FRACTURE TOUGHNESS TEST.
(ALL DIMENSIONS IN mm)

FIGURE 2
EFFECT OF TEMPERATURE ON THE TENSILE
PROPERTIES OF WELD METALS IN 304L SERIES.

FIGURE 3
EFFECT OF TEMPERATURE ON THE TENSILE
PROPERTIES OF WELD METALS IN 316L SERIES.

FIGURE 4
EFFECT OF d-FERRITE CONTENT AND HYDROGEN
CHARGING ON THE CHARPY ABSORBED ENERGY OF WELD
METALS IN BOTH SERIES. THE SPECIMENS CONTAINING 2%
d-FERRITE IN 304L SERIES AND 1% d-FERRITE IN 316L SERIES
WERE NOT TESTED AFTER HYDROGEN CHARGING.

FIGURE 5
FRACTOGRAPHY AND OPTICAL MICROGRAPH OF
VERTICAL SECTION TO THE NOTCH AND THE FRACTURE
SURFACE OF WM-A CONTAINING 11% d-FERRITE IN 304L
SERIES WHICH WAS TESTED AFTER HYDROGEN CHARGING.

FIGURE 6
EFFECT OF TEMPERATURE ON THE KIC VALUE OF
WELD METALS IN BOTH SERIES.