We are professional 1.6981(21CrMoNiV4-7,21 CrMoNiV 4-7)Forged Forging Steel Rolled Rings Hollow Bars Sleeves Bushes Bushing Pipes Piping tube barrels Housing Cases Shells Hubs factory from china
We could produce 1.6981(21CrMoNiV4-7,21 CrMoNiV 4-7)Forged Forging Steel Rolled Rings Hollow Bars Sleeves Bushes Bushing Pipes Piping tube barrels Housing Cases Shells Hubs with diameters ranging from 100MM to 6000MM and with weights from 10KGS to 15000KGS
1.6981/21CrMoNiV4-7 Chemical Composition:
| C | Si | Mn | P | S | Cr | Mo | Ni | V | Al |
| 0.17~0.25 | 0.15~0.35 | 0.25~0.85 | ≤0.020 | ≤0.020 | 0.9~1.2 | 0.65~0.80 | 0.50~0.80 | 0.25~0.35 | ≤0.015 |
1)The Al content of the cast shall be reported and indicated in the certificate
Heat Treatment:
Hardening:900-950ºC/air,oil or water dipping
Tempering:680-720ºC(2h min)
We have 1 tons, 3 tons, 6 tons, 9 tons forging hammer and 4500 tons hydraulic press, and 3 metres and 6 metre seamless rolled rings machine
Our 1.6981(21CrMoNiV4-7,21 CrMoNiV 4-7)Forged Forging Steel Rolled Rings Hollow Bars Sleeves Bushes Bushing Pipes Piping tube barrels Housing Cases Shells Hubscould be 100% Ultrasonic Inspection as per the forging parts UT Test standard of ASTM A 388 or EN10228.
We could supply 1.6981(21CrMoNiV4-7,21 CrMoNiV 4-7)Forged Forging Steel Rolled Rings Hollow Bars Sleeves Bushes Bushing Pipes Piping tube barrels Housing Cases Shells Hubs forging steel material certificate as per the standard of EN10204-3.1 or EN10204-3.2 of third party
Heat treatment:
Normalized / Annealed / Quenched / tempered
Surface Treatment:
painting,plating,polishing,black oxide,transparent anti-rust oil
Quality control:
UT,MT,RT,PT,chemical composition test,mechanical property test,etc.
Inspection:
1, Raw material certificate(material chemical composition) 2, Heat treatment sheet report
3, Dimension inspection report 4, UT test report
Delivery condition:
Hot forged +Rough machined (black surface after Q /T)+ Turned
Competitive Advantage:
Quality control and management to the whole produce process, including ingot smelting, forging, heat treatment, machining and strictly final inspection prior to delivery.
Excellent product quality and service, competitive price, "in-time" delivery
Name&Description |
Capacity |
Quantity |
3600Thydraulic press |
Max. single forging in 18T |
1 |
2000T hydraulic press |
Max. single forging in 9T |
2 |
800 hydraulic press |
Max. single forging in 5T |
1 |
6T electrical hydraulic hammer |
Max.single forging in 5T |
1 |
3T electrical hydraulic hammer |
Max.single forging in3T |
1 |
Air hammer |
Max.single forging from250kg to 1000kg |
7 |
Forging operation machine |
Max.singe forging from20T-5T |
7 |
Heat treatment Furance |
Max.8000*5000*1500mm |
11 |
CNC driling machine |
Max.5000mm |
2 |
Vertical lathe |
From 1600 to 5000mm |
60 |
Horizontal lathe |
Max.5000mm |
70 |
Band sawing machine |
260-1300mm |
36 |
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