Round Bar | Round Bar |

Round bar

　Types

　Grades

　Diameters

Gear steel

20CrMnTiH、20CrH~40CrH、20CrMoH~42CrMoH

∮12--800

Bearing steel

GCr15、GCr15SiMn、52100、SAE1055

∮12--800

Spring steel

60Si2MnA、60Si2CrA、60Si2CrVA、55CrMnA

∮12--800

Alloy structure steel

20Mn2～45Mn2、20Cr～40Cr、20CrMn

∮12--800

Free cutting non quenched and tempered steel

C70S6、36MnVS4、30MnVS、30MnVS6

∮12--800

High pressure and oil well pipe blank

12Cr1MoVG 、12Cr2MoWVTiB、15CrMoG、T11、T12、T22

∮12--800

High quality carbon structural steel

10～80、20Mn～65Mn、S10C～S53C、S48、S53

∮12--800

Anchor chain and mooring chain steel

CM490、CM690、SBC690等

∮12--800

Low alloy high strength steel

Q345系列、Q460C等

∮12--800

Category

Grade

Size

Application

Field

High-quality carbon steel

20#-55#、16Mn-65Mn

Round Bar：Ø200- Ø1200
Step axis：shaft diameter≤Ø1200
Module size：thickness150-1000×width within 1800×within 6m(aspect ratio≤6)

Transmission mechanism, gears, linkages, bolts and nuts,conveyor rollers, rolling machine spindles, etc.

Pressure vessels, agricultural machinery
Machinery, engineering machinery, metallurgy
Mines, etc.

Low alloy structural steel

S355J2

Round Bar：Ø200- Ø1200

Bridges, railway structural components, beams and columns of buildings, excavation equipment structural components, etc.

Bridges, construction, engineering machinery, etc.

Alloy structural steel

27SiMn

Round Bar：Ø200- Ø1200

Structural components that withstand impact, wear, and corrosion in mining and coal mining machinery can also be used to manufacture shafts, connecting rods, gears, etc.

Geological drilling, petroleum drilling exploration, car half axle, ship, etc.

Alloy structural steel

40Cr、41Cr4、5140、SCr440、
30CrMo、4130、SCM430、
35CrMo、34CrMo4、4135、
SCM435、42CrMo、42CrMo4、
SCM440、4145H、4140、
20CrMnMo、40CrMnMo

Round Bar：Ø200- Ø1200
Step axis：shaft diameter ≤Ø1200

Machine tool gears, spline shafts, worm gears, transmission shafts, high-pressure conduits, main shafts, fasteners, oil well drill rods, connecting rods, crankshafts, large electric motor shafts, linkage shafts, flanges, roller cores, centralizers, petroleum drill rods, rolling machine main shafts, etc.

Mechanical manufacturing, high voltage capacitor
equipment, automobile manufacturing, petroleum
drilling, engineering machinery, etc.

Alloy structural steel

48CrMoA、50CrMoV、50CrV
51CrV4

Round Bar：Ø200- Ø1200

Corrugated roller, heavy-duty mold spring, working temperature<300 ℃ valve spring, piston spring, safety
valve springs, protector shafts, etc.

Packaging machinery, general machinery, etc
.

Alloy structural steel

18CrNiMo7-6、17CrNiMo6
30Cr2Ni2Mo、34CrNiMo6、
39CrNi3Mo、40CrNiMo、
40CrNi2Mo、  1.2714

Round Bar：Ø200-Ø1200
Step axis：shaft diameter ≤Ø1200

Turbine rotor, impeller, generator rotor, aircraft empty engine shaft, heavy-duty gear, shaft type, high-strength degree bolts, etc.

Wind power, hydropower, aviation and aviation
heaven, automobile manufacturing, etc.

Alloy structural steel

30CrMnSiA、35CrMnSiA

Round Bar：Ø200- Ø1200

Important structural components, high-strength welded components, bolts transmission shaft, wear-resistant parts, high-speed heavy-duty gears, molds tools, springs, etc.

Aerospace and mechanical manufacturing
, etc.

Roll Steel

9Cr2Mo、9Cr3Mo、9Cr5Mo、
MC3、MC5、86CrMoV7、60CrMoV

Round Bar：Ø200- Ø1000
Step axis：shaft diameter ≤Ø1000

Cold and hot rolling work rolls, support rolls, straightening rolls, etc.

Rolling mills, mining machinery、heavy duty machine tools, etc.

Bearing Steel

GCr15、GCr15SiMn、
G20Cr2Ni4A

Round Bar：Ø200-Ø1000
Step axis：shaft diameter ≤Ø1000

Punch head, large bearing ring, rolling element, transmission axis, large gears, etc.

Mechanical manufacturing, automotive manufacturing
Manufacturing, machine tool equipment, mining mechanical equipment, etc.

Plastic Mold Steel

P20、1.2311、1.2312、
1.2738、718、738、1.2316、
1.2083、XPM、NAK80

Module size：thickness200-1000×width within 1800×within 6m(aspect ratio≤6)

Plastic molds, mirror molds, etc.

Manufacturing of daily necessities and household appliances manufacturing, automobile manufacturing, etc.

Cold Drawn Mold Steel

Cr12MoV、Cr12Mo1V1、D2、
SKD11、5H12、DC53

Round Bar：≤Ø600
Module size：thickness200-400×width within 1000×within 6m
(aspect ratio≤6)

Punching die, trimming die, rolling die, cold extrusion die drawing dies, tools, precision measuring tools, forming rollers , etc.

Mold manufacturing, tool making manufacturing, mechanical manufacturing, etc.

Hot Rolled Mold Steel

H11、1.2343、SKD6、
4Cr5MoSiV、H13、1.2344、
SKD61、4Cr5MoSiV1、8407、
8418、5CrNiMo、5CrMnMo

Round Bar：≤Ø800
Module size：thickness200-500×width within 1500 × within 6m(aspect ratio≤6)

Aluminum die-casting molds, hot extrusion molds, perforated core rods, and molds machine forging die, integrated die-casting die, etc.

Aluminum profile manufacturing and rolling control manufacturing, mold processing, etc.