304 304L 304H TP304 SS304 Stainless Tube Steel Pipe Suppliers, Manufacturers, Exporter
Yingke supplies Stainless Steel 304 304L, 310 310S, 316 316L, 317 317L, 321 321H, 347 347H, 410, 904L. Duplex Stainless Steel 2205, 2507, 2304, etc
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ASTM A312, ASTM A213, ASTM A249, ASTM A554 304, 304L, 304H Seamless Pipes, Welded Tubes, Fittings Suppliers In China
SS 304L Seamless Tubes, SS 304 ERW Pipes Supplier, Stainless Steel 304L Welded Pipes, UNS S30403 Tubing.
Stainless Steel ASTM A312 TP 304 Pipes, 1.4301 Stainless Steel Tubes Supplier, SS 304L Seamless Pipes, Tubes, Fittings
Standard: NF,ISO,DIN,ANSI,JIS,BS,EN
| STANDARD | UNS | WERKSTOFF NR. | BS | AFNOR | JIS | GOST | EN |
| SS 304 | S30400 | 1.4301 | 304S31 | Z7CN18‐09 | SUS 304 | 08Х18Н10 | X5CrNi18-10 |
| SS 304L | S30403 | 1.4306/1.4307 | 304S11 | Z3CN18‐10 | SUS 304L | 03Х18Н11 | X2CrNi18-9 / X2CrNi19-11 |
304 304L Stainless steel is a corrosion resistant steel alloy with a mini of 10.5% chromium. There are different grades and surface finishes of stainless steel produced to accommodate the environment in which the material will be implemented.
Unlike carbon steel, stainless steel does not rust when exposed to air and moisture due to the sufficient amount of chromium present. The chromium creates an invisible passive film of chromium oxide that will not let oxygen attack the surface and prevents rusting of the iron base.
Grade and Main chemical composition% 304L Steel Tube, 304 Stainless Pipe
| Si | Mn | P≤ | S≤ | Cr | Mo | Ni | Other | ||||||
| 304 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 18-20 | – | 8-10.5 | – | |||||
| 304L | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 18-20 | – | 9-13 | – | |||||
Stainless Steel 304 / 304L Pipes Specifications :
ASTM A312 304 / 304L : Seamless and straight-seam welded austenitic pipe intended for high temperature and general corrosive service. Filler metal not permitted during welding.
ASTM A358 304 / 304L : Electric fusion welded austenitic pipe for corrosive and/or high temperature service. Typically only pipe up to 8 inch is produced to this specification. Addition of filler metal is permitted during welding.
ASTM A790 304 / 304L : Seamless and straight-seam welded ferritic/austenitic (duplex) pipe intended for general corrosive service, with a particular emphasis on resistance to stress corrosion cracking.
ASTM A409 304 / 304L : Straight-seam or spiral-seam electric fusion welded large diameter austenitic light-wall pipe in sizes 14” to 30” with walls Sch5S and Sch 10S for corrosive and/or high
ASTM A376 304 / 304L : Seamless austenitic pipe for high temperature applications.
ASTM A813 304 / 304L : Single-seam, single- or double- welded austenitic pipe for high temperature and general corrosive applications.
ASTM A814 304 / 304L : Cold-worked welded austenitic pipe for high temperature and general corrosive service.
