Typical Product Grade	Diameter (mm)	Executive Standard	Main Application
SWRH27～SWRH37, SWRH42A(B)～SWRH82A(B), SG72A,72B-1	5.5～13	Q/320582 SGY305-2013 SGJX-X017-2013	Carbon spring steel wire, quality carbon structural wire, cable-rope making steel wire, galvanized steel wire, low-alloy galvanized steel strands, PC steel wire and steel strands, etc.
SWRH27～SWRH37, SWRH42A(B)～SWRH82A(B)	5.5～13	JIS G3506:2004