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	Φ380～1200	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 for making 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系列 S355NL系列 LF2 LF6 S355J2系列 R16MnH 16Mn	Φ380～1200	GB/T 1591 JB 4726 EN1 0025 技術協議 Technical protocol	用于制作機械、石油、水利、風電、建筑等領域的法蘭、閥門、壓力容器等。 Used for making flange, valves, pressure vessels, etc. of machinery, petroleum, water conservancy, wind power, construction and other fields.
3	合金結構鋼 Structural alloy steel	12Cr2Mol 14CrlMo 1542CrMo 37CrMnMo 40CrMnMo 42-50CrMo4 38CrMoAl 20-40CrNiMo SCM415440 SNCM431 AISI4130 AISI4140 AISI4340 AISI8630 LF6 F22 Fll	Φ380～1200	GB/T 3077 JIS G4053 API 6A 技術協議 Technical protocol	風力發電機、油服設備等大型機械的回轉支承、閥體、套管以及大型機械的軸等。 Used for making slewing bearings, valve bodies, casing pipes and shafts of large machinery such as wind driven generators, oilfield service equipment, etc.
4	管坯鋼 Tube billet steel	20 30CrMo 4130X 4142 4145 4147 15CrMoG 12CrlMoVG 12Cr2MoG 15NilMnMoNbCu 10Cr9MolVNbN 10Cr9MoW2VNbBN SA106B/C Pll P22、WB36 P5 P9 P91 P92 X52 X65QS X52N X70Q X80Q	Φ380~1200	YB/T4149 GB/T 33145 GB/T 5310 ASTM A335/A335M API 5L 技術協議 Technical protocol	用于制作高壓氣瓶、石油開采、火力發電、天然氣傳輸等領域的鋼管。 Used for making steel pipes for high pressure gas cylinders, oil exploitation, thermal power generation, natural gas transmission and other fields.
5	模具鋼 Die steel	Hll H13 H13M ReH13 8418 32Cr3MolV	Φ380～800	技術協議 Technical protocol	用于制作各類冷作模具、熱作模具、塑料模具等。 Used for making various cold working dies, hot working dies, plastic molds, etc.
6	齒輪鋼 Gear steel	20CrMnMoH 16MnCr5 18CrNiMo7-6 17CrNiMo6 SAE8620	Φ380～800	GB/T 5216 EN 10084 ASTM A304 技術協議 Technical protocol	用于制作風電、礦山、船舶等重型機械的齒輪。 Used for making gear wheels of heavy machinery such as wind power, mining, shipbuilding and other fields.
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、輪箍鋼 Railway wheel steel Ti re steel	CL50 CL55 CL60 CL65 CL70 ER7 ER8 ER9 AAR-A AAR-B AAR-C LG61 RT60 B6T等	Φ380～600	GB/T 8601 TB/T 2817 TB/T 2708 TB/T 1882 EN 13262 AAR M-107 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 for making bearing rollers, rings, etc.