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Grade N08904/904 l stainless steel seamless tube seamless stainless steel pipe
904L Pipe Distributor | 904L Seamless Pipe | 904L Pipe Supplier |
ASTM B677 UNS N80904 | ASTM B673 904L | ASTM A312 TP 904L
904L Stainless Steel Pipe (1.4539) includes TP 904L – ASTM B677
(Seamless Pipe),
Grade 904L is a non-stabilised low carbon high alloy austenitic stainless
steel. The addition of copper to this grade gives it greatly
improved resistance to strong reducing acids, particularly
sulphuric acid. It is also highly resistant to chloride attack -
both pitting / crevice corrosion and stress corrosion cracking.
This grade is non-magnetic in all conditions and has excellent
weldability and formability. The austenitic structure also gives
this grade excellent toughness, even down to cryogenic
temperatures.
904L Stainless Steel Seamless Pipe ASTM A312 TP 904L / ASTM B677 TP
904L / ASME SB677 TP 904L and 904L Stainless Steel Welded Pipe ASTM
A312 / ASTM B673 / ASME SB673 are available in different length
Single Random, Double Random & Cut Length.
Product details
Material: 304, 304L, 321, 316, 316L, 310S, 347H, 2205, 2507, 904L, etc.
Process size: conventional diameter 19mm, 25mm, 32mm, 38mm spot, according to the requirements to do sizing, the longest can do 30m, according to the application of different, can use cold drawing (annealing, pickling for soft industrial tube) and cold rolling (uniform wall thickness, hard not annealing inside and outside bright, annealing into soft industrial tube) two kinds of process.
Testing: according to customer requirements can do water pressure, ultrasonic, eddy current testing.
Features: stainless steel boiler tube, stainless steel heat exchange tube, stainless steel condensation tube, with high temperature steam resistance, impact corrosion resistance, ammonia corrosion resistance; Anti scaling, not easy to stain, anti oxidation corrosion; Long service life, reduce maintenance time, save costs; Good technology, can be directly changed tube, uniform tube wall, safe and reliable, overall thermal conductivity is better than copper tube; It is an ideal heat exchange product for the transformation of old units and the manufacture of new equipment.
Production standards: GB3087-1999 "Seamless steel tubes for low and medium pressure boilers", GB5310-1995 "Seamless steel tubes for high pressure boilers", GB13296-2007 "Seamless stainless steel tubes for boilers and heat exchangers", ASME SA213 "seamless ferritic and austenitic alloy steel tubes for boilers, superheaters and heat exchangers".
Specification:
| Product Name | Grade N08904/904L stainless steel seamless tube ,Seamless Stainless Steel pipe |
| NEW GB Grade : 015Cr21Ni26M5Cu2 |
| Technique | Cold rolling/Cold drawn |
| Surface | Pickling,polished or as required |
| Out diameter | 6-630mm |
| Wall thickness | 0.5-25.4mm |
| Length | as required |
| Application | High Mo content.Better corrosive resistance |
Chemical Composition about stainless steel Tube
| Grade | C | Si | Mn | P | S | Ni | Cr | Mo |
| 201 | ≤0.15 | ≤0.75 | 5.5-7.5 | ≤0.06 | ≤0.03 | 3.5-5.5 | 16.0-18.0 | - |
| 202 | ≤0.15 | ≤1.0 | 7.5-10.0 | ≤0.06 | ≤0.03 | 4.-6.0 | 17.0-19.0 | - |
| 301 | ≤0.15 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | 6.0-8.0 | 16.0-18.0 | - |
| 302 | ≤0.15 | ≤1.0 | ≤2.0 | ≤0.035 | ≤0.03 | 8.0-10.0 | 17.0-19.0 | - |
| 304 | ≤0.08 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | 8.0-10.5 | 18.0-20.0 | - |
| 304L | ≤0.03 | ≤1.0 | ≤2.0 | ≤0.035 | ≤0.03 | 9.0-13.0 | 18.0-20.0 | - |
| 309S | ≤0.08 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | 12.0-15.0 | 22.0-24.0 | - |
| 310S | ≤0.08 | ≤1.5 | ≤2.0 | ≤0.035 | ≤0.03 | 19.0-22.0 | 24.0-26.0 | - |
| 316 | ≤0.08 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | 10.0-14.0 | 16.0-18.0 | 2.0-3.0 |
| 316L | ≤0.03 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.03 | 12.0-15.0 | 16.0-18.0 | 2.0-3.0 |
| 321 | ≤0.08 | ≤1.0 | ≤2.0 | ≤0.035 | ≤0.03 | 9.0-13.0 | 17.0-19.0 | - |
| 630 | ≤0.07 | ≤1.0 | ≤1.0 | ≤0.035 | ≤0.03 | 3.0-5.0 | 15.5-17.5 | - |
| 631 | ≤0.09 | ≤1.0 | ≤1.0 | ≤0.030 | ≤0.035 | 6.50-7.75 | 16.0-18.0 | - |
| 904L | ≤2.0 | ≤0.045 | ≤1.0 | ≤0.035 | - | 23.0-28.0 | 19.0-23.0 | 4.0-5.0 |
| 2205 | ≤0.03 | ≤1.0 | ≤2.0 | ≤0.030 | ≤0.02 | 4.5-6.5 | 22.0-23.0 | 3.0-3.5 |
| 2507 | ≤0.03 | ≤0.80 | ≤1.2 | ≤0.035 | ≤0.02 | 6.0-8.0 | 24.0-26.0 | 3.0-5.0 |
| 2520 | ≤0.08 | ≤1.5 | ≤2.0 | ≤0.045 | ≤0.03 | 0.19-0.22 | 0.24-0.26 | - |
| 410 | ≤0.15 | ≤1.0 | ≤1.0 | ≤0.035 | ≤0.03 | - | 11.5-13.5 | - |
| 430 | ≤0.12 | ≤0.75 | ≤1.0 | ≤0.040 | ≤0.03 | ≤0.60 | 16.0-18.0 | - |
Typical Applications:
904L Stainless Steel Pipes(TP 904L) is widely used in several small scales to large scale processing industries.They are widely used in Chemical properties, oil and gas industry, natural gas construction, petrochemical.
Processing plant for sulphuric, phosphoric and acetic acids. Pulp and paper processing. Components in gas scrubbing plants. Seawater cooling equipment. Oil refinery components. Wires in electrostatic precipitators.
