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Model Number: 34CrMo4
Key Specifications/Special Features:
Honing/skiving tubehascloser dimensional tolerances,better surface finishandhigher mechanicalpropertiesthan corresponding grades of hot finished seamlessApplicationHigh precision cold drowned seamless steel tube is used in automotive industry and in the occasion where the high accuracy, brightness, cleanness of the tube are requiredQuality standardDIN 2391, EN 10305-1,SAE J524, ASTM A519 and GB3639Delivery conditionBKS, NBK, BK and BKW
Specification
Outer diameter: 30-450 mm
Wall thickness:2-40 mm
Length random length, fixed length
Steel grade
34CrMo4
*Low temperature impact test upon request (27J/-20°C)
Packing
Inbundleoraccording to yourrequests
Our services
Third partyinspectionacceptable, suchasSGS,BV
SupplyingfinancialsupportwithusanceL/C180daysafterB/Ldate
Specification
Outer diameter: 30-450 mm
Wall thickness:2-40 mm
Length random length, fixed length
Steel grade
34CrMo4
*Low temperature impact test upon request (27J/-20°C)
Packing
Inbundleoraccording to yourrequests
Our services
Third partyinspectionacceptable, suchasSGS,BV
SupplyingfinancialsupportwithusanceL/C180daysafterB/Ldate
| Size | ||||||
| Processing | Cylinderdiameter | Length/mm | Straightness | Sizeaccuracy | Wallthickness/mm | Innerbore roughness |
| Cold drawn/rolled | ID28-OD400 | ≤12m | 0.3-1.0mm/m | H8-H11 | ±5% | 0.8-1.6um |
| Honed/SRB | ID30-OD450 | ≤12m | 0.3-1.0mm/m | H8 | ±5% | 0.4-0.8um |
| Inner hole size tolerance | ||||||
| IDsize | IDdeviation(mm) | |||||
| H7 | H8 | H9 | H10 | |||
| 30 | 0.021 | 0.033 | 0.052 | 0.084 | ||
| >30-50 | 0.025 | 0.039 | 0.062 | 0.1 | ||
| >50-80 | 0.03 | 0.046 | 0.074 | 0.12 | ||
| >80-120 | 0.035 | 0.054 | 0.087 | 0.14 | ||
| >120-180 | 0.04 | 0.064 | 0.1 | 0.16 | ||
| >180-250 | 0.046 | 0.072 | 0.115 | 0.185 | ||
| >250-315 | 0.052 | 0.081 | 0.13 | 0.21 | ||
| >315-450 | 0.0527 | 0.089 | 0.14 | 0.23 | ||
Shipping Information:
- FOB Port: China (Mainland)
- Lead Time: 5 - 45 days
Main Export Markets:
- Asia
- Australasia
- Central/South America
- Eastern Europe
- Mid East/Africa
- North America