Product Name: Seamless Forged F317/F317L, F321/F321H High Temperature Alloy Steel Barrel seamless forged bushing
Seamless forged bushings" are components that are manufactured through the process of forging without any seams or welds. These bushings are commonly used in engineering and manufacturing applications to reduce friction, support, or locate components, or to serve as connection points in mechanical assemblies.
Standard | ASME B16.5,API 605,MSS SP-44,API 6A,JIS B2220,DIN 2527-2576,UNI 2229,UNI 2253,UNI 6100-67,AS4087 | |
Test Report | Chemical Composition Report, Mechanical Properties Report, UT Report, Heat Treatment Report, Dimensions Check Report | |
TYPE | ASTM | EN/DIN |
General Stainless Steel | A182: F304, F304L, F304H, F304N, F304LN F310, F310H, F310MoLN F316, F316L, F316H, F316N, F316LN, F316Ti F317, F317L F321, F321H F347, F347H, F347LN F304/F304L, F316/F316L, F317/F317L, F321/F321H. F6a, F6b, F429, F430 S31727, S32053 F20, F44, F45, F46 F47, F48, F49, F56 F58, F62, F63, F64, F70 | 1.4301(X5CrNi1810) 1.4306(X2CrNi1911) 1.4301H(X5CrNBi1810H) 1.4311(X2CrNiN1810) 1.4845(X12CrNi2521) 1.4401(X5CrNiMo17122) 1.4404(X2CrNiMo171321) 1.4919(X6CrNiMo1713) 1.4406(X2CrNiMoN17122) 1.4571(X6CrNiMoTi17122) 1.4438(X2CrNIMo18164) 1.4449(X5CrNiMo1713) 1.4541(X6CrNiTi1810) 1.4541H(X6CrNiTi1810H) 1.4550(X6CrNiNb1810) |
Duplex Steel | A182: F51(UNS S31803) F53(UNS S32750) F55(UNS S32760) F60(UNS S32205) F50, F52, F54, F57 F59, F61, F65, F66 F67, F68, F69, F71 | 1.4462(X2CrNiMoN22-5-3), 1.4410(X2CrNiMoN25-7-4) 1.4501(X2CrNiMoCuWN25-7-4) |
Super Stainless Steel | A182: F904L(UNS N08904) F44(UNS S31254 or 254SMO) | 1.4539(X2NiCrMoCu25-20-5), 1.4547(X2NiCrMoCu20-18-7) |
Process | Forging - Normalizing & Tempering - Proof Machining- Quenching & Tempering - Precision Machining | |
Packing | sea worthy wooden case,iron pallet or customized packing |




Founded in 2009, Xiamen Bluesea Piping Systems Co., Ltd (BPS) is a premier supplier of forged products, renowned for our expertise in providing a comprehensive range of forgings. Our offerings include forged rings, shafts, cylinders, discs, as well as standard and non-standard flanges crafted from a variety of raw materials including carbon steel, stainless steel, duplex steel, and alloy steel. Our track record of successful partnerships with numerous Fortune Global 500 companies underscores our unwavering dedication to delivering excellence.




1) Industry Leadership:
As pioneers in Pipeline Products since 2009, we boast decades of expertise. we've provided pipeline solutions to over 30 countries. Our stringent quality control ensures guaranteed excellence.
2) VIP Service:
Our dedicated technical engineers and sales teams ensure top-notch quality and service, catering to your specific needs with professionalism and care.
3) Flexibility in Material Selection:
With expertise in forging different materials, we offer flexibility in material selection to meet the unique demands of different industries and applications.
4) Rapid Prototyping and Production:
Leveraging advanced forging techniques, we excel in rapid prototyping and production, enabling quick turnaround times for orders.


1.Q:Are you a factory or trading company?
A: We are a factory.
2.Q:Do you accept customized orders?
A:Yes,just tell us your requirements
3.Q:How does your factory do regarding quality control?
A: "Quality is our culture" Inspection. We serious control the quality from raw material to finished pipes.
4.Q: How can I get more details about your products?
A: You can send an email to our email address. We will provide catalogue and pictures of our products for your reference.
5. Q: After sales service.
A: We guarantee the quality and quantity, any problem, we will be responsible for the end, guarantee your satisfaction.