| Standard: | ASTM A312 / ASME SA312 | Material Grade: | TP304H， UNS S30409 |
|---|---|---|---|
| Type: | Seamless | Outer Diameter: | 6mm-630mm Or Customized |
| Thickness: | 1mm-60mm | Length: | 6 Meters Or Customized |
| DNT: | ET，UT，PT，HT | Applications: | Decoration，Construction，Boiler，Oil And Gas，Electric |
| High Light: | seamless boiler tubes， seamless stainless steel tube | ||
ASTM A312 TP304H(UNS S30409) Stainless Steel For Chemical Industry
TONG CHUANG GROUP is one of the well-known manufacturers and suppliers in China. We have exported stainless / duplex / nickel alloy steel tubes and pipes to more than 60 countries， and we gradually become a reliable partner to our clients. Stainless Steels are used in a variety of applications， like petrochemical plants， marine euipments， water treatment systems， food processing equipments， offshore plants， and so on.
Size Range:
| STEEL TYPES | SIZE RANGE |
| Stainless Steel&tube | OD: 6-609.6mm WT: 0.6-50mm |
Steel 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 |
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:
| 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 |
