|Place of Origin:||CHINA|
|Certification:||ISO/PED EN10204 3.1/3.2 API Norsok M-650|
|Minimum Order Quantity:||1 set|
|Valve Forgings:||Body；closure And Ball||Standards:||API 97/23/EC NORSOK M650|
|Bars:||ASTM A479||Plates:||ASTM A 240M ASTM A995M|
Forged Steel Valve Material ASTM A694 F60/65 , F304L,F316L, F312L, 1.4462, F51, S31803; F60,Inconel 625 & Monel K500
Our company is 600 people, among them there are about 138 senior engineers, engineers, technicians and specialists.
We also own 3000 m2 Testing Center lab and a full set of inspection equipments, including chemical analysis lab, metalloscope, spectrometer , mechanical property test machine and ultrasonic test machine.
Currently, the maximum diameter of rings we produce is 5000 mm, the products are largely used in different industries like wind power, nuclear, petrochemical, electric power, machinery, shipping, etc.
There are 40% of our products exported to different countries all over the world.
As important ring forging manufacturer, we are certified by ISO9001 quality system, TUV, DNV, ABS, BV,RINA,KR,NK pressure vessel committee, etc.
Carbon Steel, ASTM A105, ASTM A350 LF2 : ASTM A694 F60/65 S355J2G3
Alloy Steel 4130, 4140,8620,42CrMo4,34CrNiMo6, 18CrNiMo7-6 etc.
Stainless Steel: F304L,F316L, F312L
Double Stainless Steel: 1.4462, F51, S31803; F60, S32205; F53, S32750
Hastelloy: Inconel 625 & Monel K500
Standard: EN,DIN,ASME,ASTM,ASME,API, BS,JIS, ANSI,UNI,GOST
Melting process: EF+LF+VD; VOD, AOD, ESR
Process: Raw material inspection →Cutting→ inspection → Preheat → forging → heat treatment → inspection → rough machining → NDT → According to material Tech. heat treatment →Testing → finishing machining →NDT →inspection → packing→ Delivery.
Forged steel Body
Forged steel clsoure
Forged steel Ball
Carbon Steel treatment:N or N+T
Alloy Steel treatment: N, A or Q+T
Stainless Steel treatment: S
Testing Lab:IOS/IEC 17025:2005/ CNAS
Dimension: OD up to5000mm; Thickness up to 500mm; Height up to 1500mm
And as per customer design requirements
Weight: Max. 80 tons