| Product Series | Main grade | Specifications (mm) | Applications |
High quality carbon structural steel
GB/T699-2015 | 15～85，C15E，15Mn～70Mn | Ф16～Ф300 | Manufacture various shafts, screws, connecting rods, rigging, hardware tools, etc. |
Alloy structural steel
GB/T3077-2015 | 20Mn2～50Mn2，25MnV，27SiMn～42SiMn，40B～50B，40MnB，15MnVB～40MnVB，20MnTiB，15Cr～50Cr， 12CrMo～42CrMo ，12CrMoV，35CrMoV，40CrV～50CrV，15CrMn～40CrMn，20CrNi，20CrNiMo，20CrMnTi，42CrMo(B7)，B16，6140,4130,4140 | Ф16～Ф250 | Manufacture of shaft parts, automotive, agricultural machinery structural parts, gears, screws, connecting rods, wrenches, high-strength fasteners, etc. |
Gear steel
GB/T5216-2014 | 45H，15CrH～45CrH，20CrMoH，42CrMoH，20CrMnTiH，20CrNiMoH，16CrMnH，15CrMnBH，40MnBH，20MnVBH，20MnTiBH，22CrMoH(SCM822H)，SCr420H | Ф16～Ф250 | The production shall be organized according to the national standard or the agreement signed with the customer. The production can be organized according to the "H", "HL" or "HH" hardenability belt. |
Spring steel
GB/T1222-2016 | 65Mn，60Si2Mn(A)，50CrVA，60Si2CrA，60Si2CrVA，55CrMnA | Ф16～Ф100
7～30×65～110 | Manufacture of coil springs for automobiles and railway vehicles, etc. |
Marine anchor chain steel
GB/T18669-2012 | CM490，CM690 | Ф16～Ф160 | Manufacture of second and third grade marine anchor chains. |
Steel for sucker rod
GB/T26075-2010 or agreement | 20CrMoA～42CrMoA、25NiMnCrMoA、40CrMnMoA、23NiCrMoVA | Ф16～Ф40 | It is used in the manufacture of D-class high-strength sucker rods and H-class ultra-high-strength sucker rods and rods with stabilizers. |
High carbon chromium bearing steel
GB/T18254-2016 | GCr15，GCr15SiMn | Ф16～Ф100 | High carbon chromium bearing steel |
tool steel
GB/T1299-2014 | T7～T13 | Ф16～Ф90 | tool making |
High-quality carbon structural steel round tube billet
YB/T5222-2014 | 20，45 | Ф50～Ф300 | It is used to manufacture various hot-rolled seamless steel pipe blanks. |
Alloy structural steel round tube billet
YB/T5221-2014 or agreement | 35CrMo，27SiMn，37Mn5，25Mn2V，36Mn2V，16Mn | Ф50～Ф300 |
Seamless steel pipe round billet for high pressure
YB/T5137-2007 | 20G，16Mn，15MnV，12CrMoG，15CrMoG | Ф50～Ф300 |
Hot rolled ribbed steel bars
GB1499.2-2018 | HRB400、HRB400E、HRB500、HRB500E | Ф16～Ф32 | It is used in the construction of industrial and civil buildings, railway and road traffic. |
Continuous casting round tube billet
YB/T4149-2006 | All grades of high-quality carbon structural steel and alloy structural steel | Ф180～Ф600 | Used in the manufacture of steel pipes. |
| casing | H40,J55/K55,M65,L80,N80,C90,C95,T95,P110,Q125 | Ф139.7～339.7×6～22.22 | Used in the oil and gas industry. |
| Line pipe | A25,A,B,X42,X46,X52,X56，X60,X65,X70,X80 | Ф141.3～323.9×6～40 | Steel pipes for the transportation of flammable fluids. |
| Seamless Steel Tubes for High Pressure Boilers | 20G,20MnG,15MoG,15CrMoG, 12Cr1MnVG,12Cr2MoG | Ф140～325×6～40 | For high pressure and above pressure steam boilers, pipelines, etc. |
| Seamless Steel Tubes for Gas Cylinders | 37Mn，34Mn2V,30CrMo，35CrMo | Ф140～325×6～40 | Used in the manufacture of gas cylinders. |
| Seamless steel pipe for high pressure fertilizer equipment | 20,16Mn，15MnV,12CrMo,15CrMo,12Cr2Mo,1Cr5Mo | Ф140～325×6～40 | High pressure fertilizer equipment and pipelines. |
| Petroleum cracking tube | 10,20,12CrMo,15CrMo | Ф140～325×6～40 | Petrochemical furnace tubes, heat exchangers, pressure pipes, etc. |
| Seamless steel pipe for conveying fluid | 10,20,Q345 | Ф140～325×6～40 | General fluid transfer. |
| Structural Seamless Steel Tubes | 10,20,35,45,16Mn,12CrMo, 15CrMo,12Cr1MoV | Ф140～325×6～40 | For mechanical structure, general engineering structure. |
