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GOST STANDARDS PROFILE LIST

1. Hot-rolled steel flange beams – GOST 8239-89 Quality C245 (S245) according GOST 27772-88

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2. Hot-rolled steel I-beams with parallel flange edges – STO-20-93 Quality C245 (S245) or/and C345 (S345) according GOST 27772-88

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2.1 Standard I beams

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2.2 Wide flange beams

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3. Hot-rolled steel U-profiles– GOST 8240-97 Quality C245 (S245) according GOST 27772-88

3.1 U-profiles

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3.2 U-profiles with parallel flanges

3.3 Economic U-profiles with parallel flange

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3.4 Light weight series U-profiles with parallel flanges

3.5 Special series U-profiles

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4. Cold formed U-profiles with parallel flanges – GOST 8278-83

Quality C245 (S245) according GOST 27772-88

4.1 Cold formed U-profiles with parallel flanges – semicalmed steel

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4.2 Cold formed U-profiles with parallel flanges – calmed steel

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5. Angle L-profiles with equal flanges– GOST 8509-93

Quality C245 (S245) according GOST 27772-88

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5.1 Angle L-profiles with equal flanges- For export

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6. Angle L-profiles with unequal flanges– GOST 8510-86

Quality C245 (S245) according GOST 27772-88

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7. Square steel tubes – GOST 8639-82

Quality Cт4сп (St4sp) according GOST 380-2005

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8. Steel bent closed welded square and rectangular section for building

- GOST 30245-2003

Quality C245 (S245) according GOST 27772-88

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9. Samless steel tubes hot-deformed– GOST 8732-78

Quality Cт4сп (St4sp) according GOST 380-2005

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10. Round hot-rolled steel bars– GOST 2590-2006

Quality C235 (S235) according GOST 27772-88

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11. Hot rolled steel sheets – GOST 19903-74

Quality C245 (S245) or/and C345 (S345) according GOST 27772-88

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12. Corrugated steel rombic and lentil form sheets – GOST 8568-77

Quality C235 (S235) according GOST 27772-88

Type 1 Type 2

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13. Hot-rolled steel strips – GOST 103-2006

Quality C245 (S245) or/and C345 (S345) according GOST 27772-88

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14. High-Strength bolts class 8.8 and 10.9

14.1 Hexagon bolts for high-strength structural bolting with large width across

flats-GOST R 52644-2006-RU

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14.2 Hexagon nuts for high-strength structural bolting with large width across

flats-GOST R 52645-2006-RU

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14.3 Washers for high-strength bolts for metal structures-

GOST R 52646-2006-RU

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