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| | Lloyd's Register |
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 | Castings in carbon, carbon-manganese and alloy steel up to 130 tones |  | Castings in Grey and Spheroidal Graphite Iron up to 80 tones |  | Steelmaking and Semi-Finished Products |  | Forgings in carbon, carbon-manganese and alloy steel up to 125 tones including steelmaking |
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| NIPPON KAIJI KYOKAI |
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 | Forgings – carbon steels, low alloy steels; Castings – carbon steels, low-alloy steels, grey irons, spheroidal graphite irons |
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| | Bureau Veritas |
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 | Production of steel, ingots up to 110 tons, Die and smith forgings up to 100 tons in mass, Solid forged crankshafts up to 35 tons in mass, Shafting and schafting accessories, rudder stocks, rotors, Steel castings up to 130 tons in mass, lamellar graphite and SG iron castings up to 80 tons in mass |
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| KOREAN REGISTER OF SHIPPING |
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 | Carbon and low alloy steel forgings |
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| | RUSSIAN MARITIME REGISTER OF SHIPPING |
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 | Steel forgings up to 100 tons in mass, Solid forged forging of crankshafts up to 35 tons in mass |
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| Germanischer Lloyd |
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 | Crankshafts produced by the "SAP-Method" acc. to manufacturer's specifications, Fatigue endurance factor K1 = 1,05
Smith forgings made of carbon and low-alloy steels acc. to EN 10025, EN 10083 and DIN 17212 |  | Production of carbon and low-alloy steel ingots for further processing acc. to EN 10083 and 17212
Castings made of carbon and low-alloy steels acc. to DIN 1681, DIN 17182 and EN 10213-2
Castings made of gray and spheroidal graphite iron acc. to EN 1561/1563 of quality EN-GJL-300 and from EN-GJS-500-7 to EN-GJS-700-2 up to 200 tons |
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| | American Bureau of Shipping |
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 | Production of iron castings, ingot and steel castings for hull and marine machinery applications |  | Production of steel forgings for hull and machinery applications |
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| TÜV NORD |
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 | QS-System acc. to Richtlinie 97/23/EG and AD 2000-Merkblatt W0 |
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| | Czech Shipping and Industrial Register |
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 | Production of steel forgings for shipbuilding |
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