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Alloy Material No 1.7027 DIN 20Cr4 Hot Forged Seamless Steel Short Pipe
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Product Details
| Place of Origin | Shandong, China | Certification | BSI | |
| Thickness | 1.5, 50 | Application | Hydraulic Pipe | |
| Technique | Hot Rolled | |||
| Alloy Or Not | Non-alloy | |||
| Outer Diameter | 15 - 1915 mm | |||
| Secondary Or Not | Non-secondary | Special Pipe | API Pipe | |
| Section Shape | Round |
Product Description
ALLOY STEEL Alloy Material No 1.7027 DIN 20Cr4 .
GENERAL CHARACTERISTICS OF ALLOY STEEL Alloy Material No 1.7027 DIN 20Cr4
This is a low-carbon chromium-bearing, case-hardening alloy steel used where good wear resistance and toughness are required.
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210
Density [g/cm3]: 7.85
Soft Annealing
Heat to 650-700oC, cool slowly. This will produce a maximum Brinell hardness of 207.
APPLICATIONS
This alloy is used for highly stressed parts with medium cross sections for automotive and general engineering applications, such as forged camshafts and gears, gear shafts, bushings and connecting rods.
FORGING
This alloy would be forged between 2200 and 1700ºF (1200 and 925ºC.)
HEAT TREATMENT
Annealing: This alloy is seldom annealed. Structures of better machinability are developed by normalizing or by isothermal transformation after forging.
Normalizing: 1650-1700ºF (900-930ºC.)
Carburizing: 1650-1740ºF (900-950ºC) and oil quench.
Hardening: Core: 1560-1620ºF (850-880ºC) and oil quench. Case: 1490-1540ºF (810-840ºC) and oil quench
Tempering: 340-410ºF (170-210ºC.)
Machinability: The alloy is best machined in the normalized condition prior to case hardening.
Weldability: The alloy is easily welded, but should be welded prior to case hardening.
LIAOCHENG KUNCHENG PIPE CO.,LTD
Honed Tube : JIS STKM13C, DIN ST52, SAE1020 ,DIN CK45 etc.
Alloy Seamless Tube: ASME SA-335 (P5, P9, P11, P22 P91) A213-T22/T12 etc.
Hllow seamless bar :ASTM 4130 ,ASTM 4140 etc.
Carbon steel pipe :ASTM A106 Gr.B
Stainless steel pipe : 304, 316, 316L & H grades etc.
Hollow section :S235JR, S275JR, S355JR, P265GH, P355N
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