Specifications Checker Plate Weight:

1) Grades:Q195 and Q235

2) Thickness:1.25mm to 12mm

3) Maximum width: 150mm

? ?? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?stair checker plate Checker Plate??is an ideal lightweight material with a regular pattern, such as diamonds, 5 bars and T patterns on one side, while with the reverse side being featureless. This type of metal is usually used in the areas that need slip-resistance and traction. ?

Executive Standard	Grade	Class	Thickness (mm)
????????????? GB/T 1591 ??????????????GB/T 3274	Q345	A,B,C,D,E	6~150
	Q390	A,B,C,D,E	6~150
	Q420	A,B,C,D,E	6~150
	Q500	C,D,E	6~100
	Q550	C,D,E	6~100
	Q620	C,D,E	6~100
	Q690	C,D,E	6~100
GB/T 16270	Q460	C,D,E,F	5~150
	Q500	C,D,E,F	5~150
	Q550	C,D,E,F	5~150
	Q620	C,D,E,F	5~150
	Q690	C,D,E,F	5~150
	Q800	C,D,E,F	5~150
GB/T 28410-2012	Q235FT	B,C,D,E	5~150
	Q275FT	C,D,E,F	5~150
	Q345FT	C,D,E,F	5~150
	Q420FT	C,D,E,F	5~150
	Q460FT	C,D,E,F	5~150
EN 10025-2	S235JR/J0/J2+N,	?	6~100
	S275JR/J0/J2+N,	?	6~100
	S355JR/J0/J2/K2+N	?	6~100
???????????????? EN 10025-3	S275N,S275NL	?	10~100
	S355N,S355NL	?	10~100
	S420N,S420NL	?	6~100
	S460N,S460NL	?	6~100
JIS G3106	SM400	AN,BN,CN	6~120
	SM490	AN,BN,CN	6~120
	SM520	AN,BN,CN	6~120
	SM570	AN,BN,CN	6~120
ASTM A572/A572M-12	Gr42	42	6~150
	Gr50	50	6~100
	Gr55	55	6~100
	Gr60	60	6~80
	Gr65	65	6~80
ASTM A633/A 633M	SA633 Gr A	42	6~120
	SA633 Gr D	50	6~120
	SA633 Gr E	60	6~120

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