We – EPG Group the biggest worm gearbox, couplings and gears factory in China with 5 different branches. For more details: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778083988828
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20Cr Steel Pipes manufacturer ,20Cr Steel Pipes exporter & 20Cr Steel Pipes supplier in China
Product description :20Cr steel pipes ,20Cr carbon steel pipes ,alloy Steel Pipe Material 20Cr,21Cr3 steel pipe
Chemical Composition
| Chemical Composition (%) | |||||||||
| Grade | C | Si | Mn | Cr | P ≤ | S ≤ | Cu ≤ | Ni ≤ | Mo ≤ |
| 20Cr | 0.18 – 0.24 | 0.17 – 0.37 | 0.50- 0.80 | 0.70 – 1.00 | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 |
Mechanical Properties
Tensile strength:≥835 N/mm2
Yield strength:≥540 N/mm2
Elongation after break:≥10%
Rate of reduction in area:≥40%
Impact absorbing energy:≥47 J
Material Brinell hardness:≤179 (annealing or high temperature tempering state)
Test sample size:15mm
Heat treatment specification
First quenching heating temperature:880 °C (Cooling:Oil, water)
Second quenching heating temperature:780-820 °C (Cooling:Oil, water)
Tempering heating temperature:200 °C (Cooling:Water, air)
Applications
Machine gearbox gears, gear shafts, cams, worms, piston pins, dog clutches, etc.
Equivalent Grades
20Cr steel equivalent to US ASTM AISI, European Germany DIN EN, British BS EN, France NF EN, Japanese JIS and ISO standard.
More standard and material steel pipes besides 20cr seamless steel pipe we can supply is as following :
| Standard | ASTM A213 ,A335,A519,EN15716-2,JIS G3458,G3462,G3467,GB5310,DIN17175 |
| Out Diameter | 10-813mm |
| Wall Thickness | 1-41mm |
| Material | Cr5Mo (T5 P5 STFA 25 STPA25 STBA25) 15CrMo (T12 P12 STFA22 STPA22 STBA22) 1.25Cr0.5Mo (T11 P11 STFA23 STPA23 STBA23) Cr9Mo (T9 P9 STFA26 STPA26 STBA26) 12Cr2Mo (T22 P22 10CrMo910) 10Cr9Mo1VNb (T91 P91) 12Cr1MOV 12Cr2MoWVTiB (R102) |
| Length | 1-12m or as customers required |
| Surface treatment | Black painting, black varnish, transparent oil, epoxy coating, etc. |
| Technique | Seamless |
| Usage | 1.Low and middle pressure fluid transportation pipeline 2.Casing Tube 3.Boiler Pipe 4.Petroleum and natural gas industry 5.Chemistry industry 6.Electric industry |
| Supply | 1.Seamless steel pipe 2.Steel casing 3.Tubing 4.Hot-rolled steel pipe |
| Contact | MS wanfury |
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WHAT WE DO besides 40cr seamless Steel Pipes ?
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The use of original equipment manufacturer’s (OEM) part numbers or trademarks , e.g. CASE® and John Deere® are for reference purposes only and for indicating product use and compatibility. Our company and the listed replacement parts contained herein are not sponsored, approved, or manufactured by the OEM.
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