Cold-drawn rolled steel for cold heading in bars

Rolled products are made of high-quality structural carbon and alloy steel according to GOST 10702, EN 10263, international standards or according to technical specifications agreed with the customer.

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Specifications

Packaging and labeling

Purpose

Rolled products are intended for the manufacture of products by cold extrusion and heading (fasteners, small rod, etc. products of complex shape).

Characteristics

Packaging and labeling

 

Packaging

Delivery status
Charted rolled products	Annealed rolled products		Packaging
	The full annealing	A spheroid. annealing	Without conservation	With conservation	Soft without preservation	Soft with preservation
+	+	+	+	+	+	+

Specifications

 

Technical parameters of rolled products:

Ø rolled products, mm	Bar length, m	Length tolerance, mm	Bundle weight, tn
5 ÷ 60	2,5 ÷ 6,5	-0,0/+50,0 or -0,0/+100,0	1 ÷ 8

Mechanical properties of rolled products — according to GOST 10702, EN 10263 or according to agreed technical specifications or TS

Precision quality and surface quality:

Rolled precision (quality)	Surface quality group
h10; h11; h12	B; C

Limit deviations according to GOST 7417:

Diameter, mm	Limit deviations, mm
	h9	h10	h11	h12
up to 3.0	-0,025	-0,040	-0,060	-0,100
3,1 - 6,0	-0,030	-0,048	-0,075	-0,120
6,1 - 10,0	-0,036	-0,058	-0,090	-0,150
10,2 - 18,0	-0,043	-0,070	-0,110	-0,180
18,5 - 30,0	-0,052	-0,084	-0,130	-0,210
31,0 - 50,0	-0,062	-0,100	-0,160	-0,250

Rolled surface quality according to GOST 1051:

Surface quality group	Quality	Permissible surface defects	The greatest depth of occurrence of defects
A	h9	Individual minor risks of mechanical origin	It is established by the agreement of the manufacturer with the consumer
	h10		½ of the limit deviations
B	h10	Some minor risks of mechanical origin, scale residues, prints, ripples, gentle stripping, traces of abrasive stripping	Limit deviations
	h11
	h12
C	h10	Individual minor risks of mechanical origin, scale residues, prints, ripples, gentle stripping, traces of abrasive stripping, individual small rolled and uninhibited bubbles and dirt (hairs)	Marginal deviations
	h11
C	h12	Individual minor risks of mechanical origin, scale residues, prints, ripples, gentle stripping, traces of abrasive stripping, individual small rolled and uninhibited bubbles and dirt (hairs)	Marginal deviations for the h12 quality
			Limit deviations for the h11 quality

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