forged flange flat die forging meeting iso9001 factory outlet
The flange is a connecting part between two shafts, which is used for the connection between the ends of the pipe. It is also used for the flange on the entrance and exit of the equipment. It is used for the connection between the two devices, such as the reducer flange.
UT:EN10228-3 ASTM A388 GB/T6402-2008
MATERIAL:CARBON STEEL, ALLOY STEEL
C40 C45 C55 C60 S355J2G3 S355 20MN5 4130 4140 4340 17NICRMO6-4 18CRNIMO7-6 21CRMO10 34CRNIMO6 36CRNIMO4 30CRNIMO8 34CRMO4 42CRMO4 9CR3MO 9CR5MO MC3 MC5 70CR3MO 50CRMO4 4145HMOD 8630 25CRNIMO H13...
Heat Treatment:Normalized, Quench Temper Annealing Q+T
1.1UT according to GB/T13314-2008A after roughing machining
|serial||item||sample qty||sample position||method|
|1||chemical composition||1||GB/T 20066||GB/T223,GB/T4336|
|2||air||1||end of ingot||GB/T223,GB/T20124,GB/T11261|
|4||non-metallic inclusion||1||as required||GB/T10561|
|5||carbide banding,liquation||1||as required||GB/T18254|
|6||carbide reticulation||1||as required||GB/T1299|
|7||spheroidized structure||1||as required||GB/T1299|
|8||hardness||2pcs for 1 furance||body and neck of roll||GB/T231.1|
|11||surface||every piece||as required||visualization|
Our company is focusing on forgings for oil & gas industries.We have rich production experience and full technology on this industry.The products including gate valve, valve box, integral union riser, Fracturing head, tubing head, casting head, cross body, stabilizer, BOP...The products have pass API Q1, all production process follow the Q1's request.Our company has whole sets of QC equipment, which will ensure after many times QC, the products will be 100% good.Our goods has exported to Southeast Asia, Middle East and USA, and win the customers' high accept.Our company will try our best to develop to a very professional, high quality, and fast lead time forging manufacturer in China.
Heating furnace, forging ability& machining ability
|MATERIAL||SERIAL NO. ||MATERIAL||YIELD||TENSILE||V-IMPACT (ºF)||HARDNESS(HBW)|
|LOW ALLOY STEELS||1||AISI 4130||60K-105K||85K-120K||-76||187-237|
|Not only this, we also could produce forged parts according to the customers' request.|
The whole company
Product showcaseLAIWU FORGING CO., LTD offers open die forging or flat die forging, forged flange of and other designed forgings. Our company is a successful manufacturer and supplier, we devoted ourselves to oil and gas industries, wind energy industries, machinery industries , iron and steel industries and so on for many years. We will provide excellent service and competitive price for you, we are expecting become your long-term partner in China. Our typical customer includes SMS Group, GE, Siemens, Danieli and JIER MACHINE-TOOL GROUP CO.,LTD, VOITH group, and other big steel groups. The flange is a connecting part between two shafts, which is used for the connection between the ends of the pipe. It is also used for the flange on the entrance and exit of the equipment. It is used for the connection between the two devices, such as the reducer flange.
Our company has passed the ISO9001, ISO14001 and OHSAS18001 certificates.We also get API Q1, ISO 29001 and pressure vessel certificate.The products have won high business integrity and recognition from our clients and the government.
We have advanced laboratory, which could make all kinds of test according to customers' request, such as UT test, Material assay, Metallography test, Rigidity test, and Physical properties test.First-class technicians' managements, employees and QC system will provide you excellent quality and service.
welcome to visit the factory and the whole group company!CONTACT US