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Stainless steel flat bar

Common materials

409,410,416,420,430,430F,201,202,301,302,303,304,304L,310,310S,321,316,316L,317,317L,329,347,630,631,2205

Standard

GB,SUS,AISI, DIN,ASTM,A/276/484M, EN10278, DIN174

Specification

3 x 20-25 x 150mm

Delivery state

HR, Forged, pickled, Sandblast, polishing, CD

Theoretical weight

Width (mm) xwidth (mm) x 0.00793

Stainless steel flat steel is a rectangular steel with slightly pure edges. Stainless steel flat steel can be semi-finished steel. There are two types of flat steel: cold drawn polished stainless steel and hot rolled acid white sandblasted stainless steel.

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GB/T 905-94	Tolerance for CD Flat Bars
Size	Rank
Size	H8	H9	H10	H11	H12	H13
3	0∽-0.014	0∽-0.025	0∽-0.040	0∽-0.060	0∽-0.10	0∽-0.14
＞3∽≤6	0∽-0.018	0∽-0.030	0∽-0.048	0∽-0.075	0∽-0.12	0∽-0.18
＞6∽≤10	0∽-0.022	0∽-0.036	0∽-0.058	0∽-0.090	0∽-0.15	0∽-0.22
＞10∽≤18	0∽-0.027	0∽-0.043	0∽-0.070	0∽-0.11	0∽-0.018	0∽-0.27
＞18∽≤30	0∽-0.033	0∽-0.052	0∽-0.084	0∽-0.13	0∽-0.21	0∽-0.33
＞30∽≤50	0∽-0.039	0∽-0.062	0∽-0.10	0∽-0.16	0∽-0.25	0∽-0.39
＞50∽≤80	0∽-0.046	0∽-0.074	0∽-0.12	0∽-0.19	0∽-0.30	0∽-0.46

GB/T 702-2008	Tolerance for HR Flat Bars
Size	Rank
Size	1 Group	2 Group	3 Group
＞7∽≤20	± 0.25	± 0.35	± 0.40
＞20∽≤30	± 0.30	± 0.40	± 0.50
＞30∽≤50	± 0.40	± 0.50	± 0.60
＞50∽≤80	± 0.60	± 0.70	± 0.80
＞80∽≤110	± 0.90	± 1.0	± 1.1
＞110∽≤150	± 1.2	± 1.3	± 1.4

GB/T 908-2008	Tolerance for Forged Flat Bars
Size	Rank
Size	1 Group		2 Group
＞50∽≤60	+ 1.5	- 1.0	+ 2.0	- 1.0
＞60∽≤80	+ 2.0	- 1.0	+ 2.5	- 1.0
＞80∽≤100	+ 2.5	- 1.0	+ 3.0	- 1.0
＞100∽≤120	+ 2.5	- 1.5	+ 3.0	- 1.5
＞120∽≤140	+ 3.0	- 1.5	+ 3.5	- 1.5
＞140∽≤160	+ 3.0	- 2.0	+ 4.0	- 2.0
＞160∽≤180	+ 4.0	- 2.0	+ 5.0	- 2.0
＞180∽≤200	+ 5.0	- 2.0	+ 6.0	- 2.0
＞200∽≤220	+ 5.0	- 3.0	+ 6.0	- 3.0
＞220∽≤240	+ 6.0	- 3.0	+ 7.0	- 3.0
＞240∽≤250	+ 7.0	- 3.0	+ 8.0	- 3.0
＞250	+ 0.8	- 3.0	+ 9.0	- 3.0

Application

Widely used in various building and engineering structures, such as beams, bridges, transmission towers, lifting and transportation machinery, ships, industrial furnaces, reaction towers, container racks, and warehouse shelves.

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