

Products form : elbow, tee, reducer, pipe cap, O-let, etc.,
Flange : butt welding flange, with flat welding neck flange, socket welding neck flange, butt welding band neck loose flange, plate, flat welding flange, butt welding plate loose flange rings, flat welding ring plate loose flange, flange ring plate flange, flange cover, etc
ASME/ANSI B16.9 Factory manufacturing seamless steel butt welding pipe fittings
ASME B16.5 Pipe flanges and flange fittings
GB/T 12459—2005 Steel butt welding seamless pipe fittings
For stainless steel: ASTM A312/A269/A789, EN 10216, GB/T 14976; For alloy steel: ASTM B163( ASME SB163) ,ASTM B165(ASME SB165), ASTM B167(ASME SB167), ASTMB444 (ASME SB444)EN 10216, GB/T 8163.
We adopt Hot Rolling (Hot Extrusion) + Cold Drawing (Precision Rolling) process to ensure seamless without welding seam. Process flow: Round Billet → Heating → Piercing → Hot Rolling → Cold Drawing → Heat Treatment → Finishing → Inspection.
Yes, we support third-party inspection by SGS, BV, TUV, Intertek etc., and whole-process supervision of production is available.
Answer:
stainless steel : 304/L,316/L,347H,316Ti,317/L,253Ma,904L,
Duplex Steel: S31254(254SMo)S31803;S32205;S32750;S32760
Alloy steel:
Monel400/K500;
Inconel600/601/625/718/725/617/740;
HastelloyalloyC22/C276/C2000/B/B2/B3/X/230/G2/G3/G30/G35; Incoloy800/H/HT/8028/825/8330/840/925/926/8120;
Ni200;Ni201;Alloy20;
Customization according to ASTM/EN/JIS/GB standards is available.
We can provide MTC (Mill Test Certificate EN 10204 3.1/3.2), Chemical Composition Report, Mechanical Property Report, Non-destructive Testing (UT/ET/RT), Hydro-static Test, ISO 9001, PED, CE.
