Bends and notches

Steel

SS400 SPCC SPHC SECC

Plate thickness	Minimum bend height H		Minimum offset bend height H1				Limit h	Limit b	Minimum bend Slit width a	Minimum notch Width and depth c	SPCC/SPHC SS400		SECC		SPCC (hot-dip galvanised sheet)
	Other than SECC	SECC	None	Powder coating Solvent-based paint Electroless nickel plating Black oxide finish Trivalent chromate (white)	Trivalent chromate (black)	SPCC (for shims)					Acute bend possible Size range w	Minimum bend angle θ	Acute bend possible Size range w	Minimum bend angle θ	Acute bend possible Size range w	Minimum bend angle θ

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Stainless steel

SUS304 SUS316 SUS430

Plate thickness	Minimum bend height H	Minimum offset bend height H1		Limit h	Limit b	Minimum slit width a	Minimum notch Width and depth c	SUS304(No.1)		SUS304(2B)				SUS304 (#400 polished one side) SUS304 (hairline one side)				SUS316(2B)		SUS430(2B)
		SUS304(No.1) SUS304(2B) SUS304 (#400 polished one side) SUS304 (hairline one side) SUS430(2B)	SUS316(2B)				SUS304 (H) (for shims)	Acute bend possible Size range w	Minimum bend angle θ	Acute bend possible Size range w	Minimum bend angle θ	Acute bend possible Size range w	Minimum bend angle θ	Acute bend possible Size range w	Minimum bend angle θ	Acute bend possible Size range w	Minimum bend angle θ	Acute bend possible Size range w	Minimum bend angle θ	Acute bend possible Size range w	Minimum bend angle θ	Acute bend possible Size range w	Minimum bend angle θ

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Aluminium

A5052

Plate thickness	Minimum bend height H	Minimum offset bend height H1		Limit h	Limit b	Minimum slit width a	A5052				A5052 (anodised, white and black)
		Length over 300	Length 300 and under				Acute bend possible Size range w	Minimum bend angle θ	Acute bend possible Size range w	Minimum bend angle θ	Acute bend possible Size range w	Minimum bend angle θ	Acute bend possible Size range w	Minimum bend angle θ

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Copper

Plate thickness	Minimum bend height H	Minimum offset bend height H1	Limit h	Limit b	Minimum slit width a	Minimum notch Width and depth c	C1020		C1100 C2801P
						C2680P / C2801P (for shims)	Acute bend possible Size range w	Minimum bend angle θ	Acute bend possible Size range w	Minimum bend angle θ

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Plastic

PET, acrylic, polycarbonate, PVC, aluminium composite panel

Plate thickness	Minimum notch Width and depth c

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