Steel Round Bars

We are offering lingsteel's main product is prime steel round bars,awarded the "golden cup prize for national quality" of metallurgical products.the brand "lingyuan"is the national well-known trademarks,and the brand"hualing"is a famous brand of liaoning province.
there're 3 size of steel bar rolling lines,the details is as foll1ows:
1. Φ16-φ45mm ( about 600,000mts per year )
2. Φ50-φ85mm ( about 100,000mts per year )
3. Φ90-φ260mm (about 1,300,000mts per year )
typical steel grade
1.quality carbon structual steel:
jis: s20c s25c s30c s35c s40c s45c s50c swrh42b swrh47b swrh52b s58c swrh62b
astm/aisi:1020 1025 1030 1035 1040 1045 1050 1016 1022 1026 1033 1037 1039 1043 1046 1053 1060 1062 1566，grade b/c/d
din:c22 c25 c30 c35 c40 c45 c50 40mn4 60mn3
2.alloy structual steel:
jis:smn420 smn433 smn438 smn443 scr415 scr420 scr430 scr435 scr440 scr445 scm415 scm420 scm430 scm435 scm440
astm/aisi:1320 1330 1335 1340 1345 5115 5120 5130 5130 5135 5140 5145 5150 4118 4135 4140 50b44/g50441 81b45/g81451 50b50/g50501 50b44/g50441 grade55 ,grade 50
din:20mn6 30mn5 36mn5 46mn7 50mn7 15cr3 20cr4 28cr4 34cr4 41cr4 15crmo5 20crmo5 25crmo4 34crmo4 42crmo4 45b2 38mnb5/1.5532 40mnb4/1.5527
3.spring steel: sup7 1066 9260 60si7
4.bearing steel: suj2 100cr6(w3) e52100