| Type: | Alloy Steel | Shape: | Steel Round Bar | Standard: | AISI,JIS,GB,BS,DIN,API,EN,ASTM |
| Thickness: | as required | Technique: | Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Extruded,EFW,Spring | Shape: | U Channel,Square,C Channel,Hexagonal,Round |
| Surface Treatment: | Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated | Steel Grade: | Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B) | Certification: | ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL |
| Length: | as required | Net Weight: | as required |
Chemical Composition%(GB)
| C | Si | Mn | Cr | Mo | P | S |
| 0.90-1.05 | ≤0.40 | 0.80-1.10 | 0.90-1.20 | 1.20-1.60 | ≤0.030 | ≤0.030 |
Available Size
| Rolled round bar | φ65-120mm × L |
| Forged round bar | φ130-290mm × L |
Heat Treatment
| Item | Temperature ℃ | Hardness |
| Anneal | 770-790 | 207-255HB |
| Quenching | 820-840 | 62-65HRC |
| Tempering | 200-280 | 55-62HRC |
Applications:
| Can be used in the manufacture of cold punching, high precision punching die of cold extrusion mould and complicated shape, etc | ||||
| Can be used to make small deformation, long and complicated shape of cutting tool, such as long long broach, tap, reamer, milling cutter, the gauge |
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