低氮碱性底吹转炉钢    L.P.N. Steel

涂漆薄钢板    Lacquer-Coated Steel Sheet

含铅钢    Lead Bearing Steel

含铅易切削钢    Lead Treated Steel

镀铅钢板    Lead-Coated Steel Plate

含铅低磷钢    Leaded Low-Phosphorus Steel

铅包钢带    Lead-Sheathed Steel-Taped

加铅易切削钢    Ledloy Free Cutting Steel

轻型槽钢    Light Channed Steel

轻量型钢    Light Gauge Steel

轻型钢材    Light Weight Steel Shape

轻钢龙骨    Lightgage Steel Joist

轻型角钢    Light-Weight Angle Steel

轻钢结构    Lightweight Steel Construction

冷弯型钢    Lightweight Steel Shape

带缘帽型钢    Lip Hat Section Steel

带缘Z型钢    Lip Z Steel

钢水    Liquid Steel

液态挤压钢; 加压凝固钢    Liquid-Compressed Steel

小型酸性转炉钢    Little Bessemer Steel

箍锚钢管    Lock Bar Steel Pipe

锁紧钢丝    Locking Steel Wire

长钢丝锯    Long Steel Wire Saw

大跨钢构架    Long-Span Steel Framing

低合金钢敞车    Low Alloy Steel High Side Wagon

低合金钢板    Low Alloy Steel Plate

低合金工具钢    Low Alloy Tool Steel

低碳钢管    Low Carbon Steel Pipe

低碳钢电焊条    Low Carbon Steel Welding Electrode

低磁滞钢; 低磁滞硅钢    Low Hysteresis Steel

难切削钢    Low Machinability Steel

低锰钢    Low Manganess Steel

低压不锈钢软管    Low Pressure Stainless Steel Hose

低含钢率    Low Steel Proportion

低钨高速钢    Low Tungsten High Speed Steel

低合金高强度结构钢    Low-Alloy High-Tensile Structural Steel

低合金钢焊条    Low-Alloy Steel Covered Arc Welding Electrode

低合金螺纹钢    Low-Alloy Threading Steel

低角平底钢刨    Low-Angle Smooth Bottom Steel Bench Plane

低碳铸钢    Low-Carbon Cast Steel

低铬钢    Low-Chrome Steel

低塑性钢    Low-Ductility Steel