江蘇永鋼集團

連鑄圓坯產品一覽表 Construction Steel Products List

序號 No	鋼種大類 Category	典型牌號 Grade	規格（mm） Specifications	執行標準 Standard	主要用途 Application
1	優質碳素結構鋼 High quality carbon structural steel	20～45 50Mn A105 1045 C45E S45Cr S48C	Φ380～800	GB/T699 JIS G4051 技術協議 Technical protocol	用于制作機械、液壓、船舶等設備的軸、曲軸、連桿、齒輪、閥體、軋輥等部件。 Used to make shafts, crankshafts, connecting rods, gears, valve bodies, rolls, etc. of machinery, hydraulics, ships, etc.
2	低合金高強度鋼 Low alloy high strength steel	Q355 S355NL LF2 S355J2 R16MnH 16Mn	Φ380～800	GB/T1591 EN10025 EN10021 ISO 14284 ISO 148-1 技術協議 Technical protocol	用于制作機械、石油、水利、風電、建筑等領域的連接件、結構件。 Used to make connectors and structural parts in machinery, oil, water conservancy, wind power, construction and other fields.
3	合金結構鋼 Structural alloy steel	20～45Mn2 20～45Cr 15～42CrMo 37CrMnMo 40CrMnMo 38CrMoAl 20～40CrNiMo SCM415～440 SNCM431 42～50CrMo4 AISI4130 AISI4140 AISI4340 AISI8630 LF6 F22 F11 12Cr2Mo1 14Cr1Mo	Φ380～800	GB/T 3077 JIS G4053 ISO 683 ASTM A29 技術協議 Technical protocol	用于制作風電行業的變槳、偏航軸承、增速箱齒圈；石油化工行業生產石油采油設備的閥體、套管；以及大型機械的回轉支承等。 Used to make pitch, yaw bearing and gear ring of speed increasing box in wind power industry; valve body and casing of oil production equipment in petrochemical industry; and slewing bearing of large machinery, etc.
4	管坯鋼 Tube billet steel	20G SA106B/C 15CrMoG 12Cr1MoVG P11 P22 12Cr2MoG WB36 15Ni1MnMoNbCu P5 P9 10Cr9Mo1VNbN P91 10Cr9MoW2VNbBN P92 X52 X65QS BNS X52N X80 X80Q 30CrMo 4130X 4142 4145 4147	Φ150～800	YB/T4149 GB/T 33145 GB 5310 技術協議 Technical protocol	用于制作石油開采、天然氣傳輸、火力發電等領域的鋼管。 Used to make steel pipe for oil exploitation, natural gas transmission, thermal power generation and other fields.
5	模具鋼 Die steel	H13 8418 32Cr3Mo1V	Φ380～600	技術協議 Technical protocol	用于制作擠壓模具、壓鑄模具。 Used to make extrusion die and die casting die.
6	齒輪鋼 Gear steel	20CrMnMoH 16MnCr5 18CrNiMo7-6 17CrNiMo6 SAE8620	Φ380～800	GB/T 5216 ISO 683-3 EN 10084 ASTM A304 技術協議 Technical protocol	用于制作風電、機械等行業的齒輪零部件。 Used to make gear parts of automobile, wind power and various machinery industries.
7	軸承鋼 Bearing steel	GCr15 GCr15SiMn	Φ380～500	技術協議 Technical protocol	用于鍛圓、電渣重熔。 For forging round and electroslag remelting.
8	鐵路車輪鋼輪轂鋼 Railway wheel steel, wheel hoop steel	CL50 CL55 CL60 CL65 CL70 ER7 ER8 ER9 AAR-A AAR-B AAR-C LG61 RT60 B6T等	Φ380～500	TB/T 2817 TB/T 2708 GB 8601 EN 13262 AAR M-107 TB/T 1882技術協議 Technical protocol	用于制作鐵路貨車、客車、地鐵、輕軌等軌道交通車輛的車輪和輪轂。 Used to make wheels and hoops for railway passenger and freight cars, subways, light rail and other rail transit vehicles.