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GOST 9567-75 Precision steel pipes

GOST 9567-75 applies to cold-formed and hot-rolled steel pipes of high manufacturing precision.

Standard: GOST 9567-75
Equivalent Standards: DIN 2391, EN 10305-1, EN 10305-4, ASTM A519, NF 699, NBR 8476, BS 6323 Part 4, NF A 49-330-85, BS 6323-4, NF A 49-310, UNI 6403

Material: 20Ch
Equivalent Materials: 20Cr

Chemistry Composition

C, %	Si, %	Mn, %	P, %	S, %	Cr, %	Ni, %	Cu, %
0.17-0.23	0.17-0.37	0.50-0.80	0.035 max	0.035 max	0.70-1.00	0.30 max	0.30 max

Mechanical Properties

Hot rolled	Tensile Strength , MPa	Yield Strength, MPa	Elongation, %	Hardness, HB (WT>10mm)
Hot rolled	431 min	-	16 min	-
Cold Drawn	Tensile Strength , MPa	Yield Strength, MPa	Elongation, %	Hardness, HB (WT>10mm)
Cold Drawn	431 min	-	17 min	179 max

Outside Diameter & Tolerance

Hot rolled	Outside Diameter, mm	Tolerance, mm
	OD≤50	±0.35
	50＜OD≤219	±0.8%
	OD>219	±1.0%
	68≤OD≤194, OD/WT: 4-10	±0.5%
Cold Drawn	Outside Diameter, mm	Tolerance, mm
	OD≤30	±0.10
	32≤OD≤40	±0.15
	42≤OD≤50	±0.20
	51≤OD≤60	±0.25
	63≤OD≤70	±0.30
	73≤OD≤80	±0.35
	83≤OD≤90	±0.40
	95≤OD≤108	±0.45
	110≤OD≤120	±0.50
	OD>130	±0.8%

Wall thickness & Tolerance

Hot rolled	Wall Thickness , mm	Tolerance, %
	WT≤15	±10
	1＜WT≤5	±8
	7≤WT≤45, OD/WT: 4-10	±6
Cold Drawn	Wall Thickness , mm	Tolerance, %
	0.2≤WT≤0.8, 5≤OD≤108	±0.05mm
	0.8＜WT≤5, 5≤OD≤108	±7.5
	WT>5, 5≤OD≤108	±6
	WT≤2.5, 110 ≤OD≤250	±10
	2.5＜WT≤5, 110 ≤OD≤250	+10/-7.5
	WT>5, 110≤OD≤250	±7.5

Length: 4000mm; 8030mm; 8050mm; 12010mm; 12030mm; 12050mm; and so on.
Further process: cutting, deformation.

Keyword: precision steel pipe, precision steel tube, GOST 9567-75, DIN 2391, EN 10305-1, EN 10305-4, ГОСТ 9567-75

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