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GOST 9567-75 Precision steel pipes |
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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 |
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Mechanical Properties |
Hot rolled |
Tensile Strength , MPa |
Yield Strength, MPa |
Elongation, % |
Hardness, HB (WT>10mm) |
431 min |
- |
16 min |
- |
Cold Drawn |
Tensile Strength , MPa |
Yield Strength, MPa |
Elongation, % |
Hardness, HB (WT>10mm) |
431 min |
- |
17 min |
179 max |
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Outside Diameter & Tolerance |
Hot rolled
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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
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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% |
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Wall thickness & Tolerance |
Hot rolled
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Wall Thickness , mm |
Tolerance, % |
WT≤15 |
±10 |
1<WT≤5 |
±8 |
7≤WT≤45, OD/WT: 4-10 |
±6 |
Cold Drawn
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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 |
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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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