Zanglamaydigan po'latdan yasalgan issiq haddelenmiş plastinka uchun CN standartlari

Issiq prokatlangan zanglamaydigan po'lat uchun eski BS1449 va BS1501 standartlari EN standartlari bilan almashtirildi:

EN10088-2 replaces BS1449-Part 2: 1983
EN10028-7 replaces BS1501-Part3: 1990
EN10095 covers heat resisting grades
EN10259 & ISO 9445: Tolerances for cold rolled material (Sheets, plate, coil) up to 6.5mm thick
EN10029 & ISO 18286: Tolerances for 'Quarto' hot rolled Plate 3mm thick and above
EN10051 & Now ISO 9445 / 9444: Tolerances for continuously produced (CPP) hot rolled plate

Tolerances

For cold rolled plate please refer to the datasheet on cold rolled. Note that in this datasheet there are two sets of tolerances tables – One set for Quarto Plate to EN10029 and one set for CPP plate to EN10051

For CPP there are 3 categories of tolerances according to the grade where:

Flatness - Quarto Plate

Thickness (mm)	Tolerances (mm) over Given Length (mm)	Tolerances (mm) over Given Length (mm)
	1000	2000
3.0 to 4.9	9	14
5.0 to 7.9	8	12
8.0 to 14.9	7	11
15.0 to 24.9	7	10
25.0 to 39.0	6	9
40.0 to 250.0	5	8

Flatness - CPP

Width (mm)	Tolerances for Given Category*	Tolerances for Given Category*	Tolerances for Given Category*
Up to 1200	18	23	**
1200 to 1500	23	30	**
Over 1500	28	38	**
Over 1500	28	38	**

Note:

* These flatness tolerances only apply for thicknesses up to 25mm

** To be agreed at the time of enquiry and order

Length - Quarto Plate

Length (mm)	Tolerance (mm)	Tolerance (mm)
Under 4000	-0	+20
4000 to 5999	-0	+30
6000 to 7999	-0	+40

Length - CPP

Length (mm)	Tolerance (mm)	Tolerance (mm)
Under 2000	-0	+20
2000 to 7999	-0	0.05 x Length

Width - Quarto Plate

Nominal Thickness (mm)	Tolerance (mm)	Tolerance (mm)
Up to 40	-0	+20
40 to 150	-0	+25
150 to 400	-0	+30

Width - CPP

Length (mm)	Plus Tolerances (mm) (-0)	Plus Tolerances (mm) (-0)
Up to 1200	+20	+3
1201 to 1850	+20	+5
Over 1850	+25	+6

Thickness - Quarto Plate

Thickness (mm)	Tolerance (mm) Class B	Tolerance (mm) Class B
Minus	Minus	Plus
3.00 to 4.90	0.3	0.7
5.00 to 7.90	0.3	0.9
8.00 to 14.9	0.3	1.1
15.0 to 24.9	0.3	1.3
25.0 to 39.9	0.3	1.7
40.0 to 79.9	0.3	2.3
80.0 to 149	0.3	2.9
150 to 250	0.3	3.3

Thickness - CPP

Thickness (mm)	Tolerances +/- (mm) for Given Width	Tolerances +/- (mm) for Given Width	Tolerances +/- (mm) for Given Width	Tolerances +/- (mm) for Given Width
	Up to 1200	1204 to 1500	1501 to 1800	Over 1800
Up to 2.00	0.17	0.19	0.21	-
2.01 to 2.50	0.18	0.21	0.23	0.25
2.51 to 3.00	0.20	0.22	0.24	0.26
3.01 to 4.00	0.22	0.24	0.26	0.27
4.01 to 5.00	0.24	0.26	0.28	0.29
5.01 to 6.00	0.26	0.28	0.29	0.31
6.01 to 8.00	0.29	0.30	0.31	0.35
8.01 to 10.00	0.32	0.33	0.34	0.40
10.01 to 12.50	0.35	0.36	0.37	0.43
12.51 to 15.00	0.37	0.38	0.40	0.46
15.10 to 25.00	0.40	0.42	0.45	0.50

Note:

These figures must be increased for stainless steel by:

Material Certification

Where multi-certification is required, a combination of EN10088-2, EN10028-7, EN10029 or 10051 will appear together with the appropriate ASTM Standards.

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