We could produce 17-7Ph springs,17-7 Ph springs,17-7 Ph Compression Springs,17-7Ph Extension Springs,17-7Ph Torsion Springs,17-7 Ph tension spring, 17-7Ph disc spring, 17-7Ph wave spring,17-7 Ph Spiral Springs,17-7Ph Automotive Springs,17-7Ph Elevator Springs,17-7Ph coil springs,17-7Ph Conical Springs,17-7Ph Tapered Springs,17-7Ph Barrel Springs,17-7 Ph die springs,17-7 Ph Constant Force Springs,17-7 Ph Power Springs,17-7 Ph Garter Springs,17-7Ph retaining Springs,17-7Ph Volute Springs,17-7Ph flat springs,17-7Ph Volute Springs,17-7Ph battery springs,17-7Ph Spring Clips,17-7Ph Battery Contacts from china
The diameter of 17-7Ph springs that we could do range from 0.30 mm to 3.00 mm.
Our 17-7Ph springs come in a variety of surface finishes from bluing to clear or yellow zinc electroplating, electrolytic nickel, powder coating and zinc phosphate coating always executed by specialized subcontractors
At the end of the manufacturing and stress relief cycles, clients require different and very specific types of treatments in order to improve 17-7Ph spring performance. Terminal coil grinding, spring setting, internal and external tumbling, shot peen and vibration are the most common ones.
17-7Ph is a precipitation hardenable chromium-nickel-aluminum stainless steel.
The chemical composition of 17-7 Ph springs is as follows
Element | Content (%) |
Fe | 70 - 75% |
Cr | 16.0 - 18.0 |
Ni | 6.50 - 7.75 |
Si | 1.0 |
Mn | 1.0 |
Al | 0.75 - 1.50 |
C | 0.090 |
S | 0.040 |
P | 0.040 |
The mechanical property of 17-7Ph spring is as follows
Properties | Metric |
Tensile strength | 1275 MPa |
Yield strength | 1030 MPa |
Poisson's ratio | 0.27-0.30 |
Elongation at break | 6% |
Reduction of area | 10% |
Hardness, Rockwell C | 41 |
We could do solution treatment and ageing treatment for 17-7Ph springs as per the requirement of the clients.
We could supply inspection certificate of 17-7Ph springs by third party,like TUV,DNV,GL,BV,SGS and so on
In order to control the quality of 17-7 Ph springs, we have following inspection equipment:Magnetic Particle Flaw Detector,Hot Coil Spring Production Line.Fatigue Testing Machine,Hardening Furnace,Optical Emission Spectrometry,Spring Coiler,Salt Spray Test Machine,Shot Blaster Machine,Automatic Spring Coiler,Electric Temper Furnace,Electric Temper Furnace,Automatic Spring Coiler,Pressure Testing Machine 20mm CNC Spring Coiler,Spring Grinder,Pressure Testing Machine
Our 17-7 Ph springs are widely used in Power,Petrochemical,Agro chemicals,Paper and Pulp Industries,Engineering and Construction,Automotive,Drilling and Well Building,Chemical,Power Plants,Research and Technology,Architecture,Food & Beverages,Aircraft and Aerospace,Oil and Gas,Paper and Pulp,Pharmaceutical & Biochemistry ,Pneumatic Conveyor Systems,Pumps,Ship Building,Water Treatment Plants and so on
Please send us the drawing of 17-7Ph springs that you need, we are glad to quote the best price for your side.
Except 17-7Ph Springs,we also could produce 17-7Ph flanges,17-7Ph plates,17-7Ph fasteners,17-7Ph bolts,17-7Ph pipe fittings,17-7Ph pipes,17-7Ph tubes,17-7Ph bars
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