| Customization: | Available |
|---|---|
| Type: | Alloy Steel Bar |
| Standard: | AISI, ASTM, DIN, JIS, GB, BS |
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Standard specification: EN10305-1 25CrMo4,34CrMo4,42CrMo4,and equivalent standard&grades like ASTM A519 SAE4130,SAE4140,SAE4145,etc.
Size range:70mm*60mm*325mm*300mm
Manufacture method: Hydraulic cold drawn
Delivery condition:BKS,BKW,GBK,NBK.
Bore treatment: honing or skiving&roller burnishing
ID tolerance: H8, H9, or as per customer's requirement
Roughness of internal surface: 0.35um max.
Straightness:0.5mm/1000mm max.
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