ASTM A312, TP304H ,1.4948, Stainless Steel Seamless Pipe
ASTM A312, TP304H ,1.4948, Stainless Steel Seamless Pipe
YUHONG GROUP deal with Austenitic Stainless Steel, Nickel Alloy Steel(Hastelloy , Monel, Inconel, Incoloy ) seamless and welded pipe and tube already more than 25 years, every year sell more than 80000 tons of steel pipe and tube. Our client already cover more than 45 countries, Like Italy, UK, Gernmany, USA, Canada, Chile, Colombia, Saudi Arabia, Russia, Korea, Singapore, Austrial, Poland, France , ....And our group branch company and factory have been already approved by :ABS, DNV, GL, BV, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2008, ISO 14001-2004.
SIZE RANGE :
| STEEL TYPES | SIZE RANGE |
| Stainless steel seamless pipe&tube | OD: 6-609.6mm WT: 0.6-50mm |
MAIN STEEL TYPE AND GRADE :
| PRODUCTS | TYPICAL STEEL GRADE |
| Austenitic |
TP304,TP304L,TP304H,TP316,TP316L,TP316H,TP316Ti TP321,TP321H,TP347H,904L,TP310H,TP310S,TP317,TP317L |
| Duplex / Super Duplex | S31803, S32205, S32750, S32760, S31500, S32304, S31254 |
| Nickel Alloy |
Incoloy800, Incoloy800H, Incoloy800HT, Incoloy825, Incoloy926 Inconel 600, Inconel 601, Inconel 625, Inconel 690, Inconel 718 Monel 400, K500, Hastelloy C276 , G-3. Nickel 200 , UNS NO8028 , UNS NO8535, UNS NO8135, UNS NO6985, UNS NO6950 |
MAIN PRODUCTION STANDARDS:
| STANDARD TYPE | STANDARD |
| EN | EN10216-5 , EN10216-2 |
| DIN | DIN 17456 , DIN 17458 |
| ASTM | ASTM A312, A213, A269, A511, A789, A790 ETC |
| GOST | GOST 9941 , GOST 5632 |
| JIS | JIS G3459 , JIS G3463 |
| GB | GB/T14975,GB/T14975, GB13296, GB5310, GB9948 |
Packing: Each Pipe end is protected by Plastic cap. Then packed by Anti-rust steel strip, The outside of the bundle is plastic woven bag, or Plastic film.
Packing Mark: SIZE + STEEL GRADE+ QTY OF PIECE/WEIGHT/METRE.
MTC: BWSS Official Original MTC paper will be supplied for each order.
Quality Control in our group :
| Corrosion Test | Conducted only when specially requested by the client |
| Chemical Analysis | Test done as per required quality standards |
| Destructive / Mechanical Testing | Tensile | Hardness | Flattening | Flare | Flange |
| Reverse-bend and Re. flat tests | Carried out in full compliance with relevant standards & ASTM A-450 and A-530 norms, which ensures trouble-free expansion, welding & use at customers end |
| Eddy Current Testing | Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System |
| Hydrostatic Testing | 100% Hydrostatic Testing carried out according to ASTM-A 450 norms for checking tube leakage, and biggest pressure we can support 20Mpa/7s . |
| Air Under Pressure Test | To check any evidence of air leakage |
| Visual Inspection | After passivation, every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections |
