Haverer Group is a Hong Kong based company, facilities set up in Shanghai & Jiangsu, mainly produce super austenitic stainless steel tube, nickel based corrosion alloy tube, VSOP & VISION web offset press, PETG film, optically clear PET-G film, etc.
Super austenitic stainless steel tube|254SMo|654SMo|AL-6XN|904L
Super austenitic stainless steel tube

Product size
     Hot extrusion tube:  OD 48-325mm, WTK 4-40mm
     Cold rolling tube: OD 5.8-508mm, WTK 0.3-35mm

Product standard:
     ASTM A312
     ASME SB677

Product condition:
    hot extrusion
    cold rolling
    heat treatment

Chemical composition of main grade, (%)
ASTM   GRADE      C           Cr          Ni               Mo    Cu        Fe      Si          Mn       S               P           N
N08904  904L     ≤0.02 19-23       23-28        4-5    1-2      rem   ≤1.00  ≤2.00   ≤0.035  ≤0.045   --
N08637 AL-6XN   ≤0.03 20-22      23.5-25.5   6-7    ≤0.75   rem ≤1.00  ≤2.00    ≤0.04   ≤0.04    0.18-0.25
S31254 254SMo ≤0.02 19.5-20.5 17.5-18.5   6-6.5 0.5-1.0 rem ≤0.8    ≤1        ≤0.01   ≤0.03     0.18-0.22
S32654 654SMo ≤0.02 24-25        21-23        7-8    0.3-0.6 rem ≤0.3    2-4       ≤0.005  ≤0.03    0.45-0.55
N08926 1.4529  ≤0.02 19-21        24-26        6-7    0.5-1.5 rem ≤0.5    ≤1        ≤0.01    ≤0.03    0.15-0.25

Room-temperature mechanical property
ASTM UNS heat-treatment temperature  Rm,min,MPa   Rp0.2%,min,MPa  A50,min,%
N08904    ≥1100℃                   490             220          35
N08637    ≥1100℃                   690             310          30
S31254     ≥1150℃                   675            310          35
S32654     ≥1150℃                   750            430          35
N08926     ≥1120℃                   270            600          35

Intergranular corrosion resistance
Intergranular corrosion resistance according ASTM 28A (ferric sulfate-sulfuric acid method)
ASTM UNS  condition     time(h)   corrosion rate(mm/a)   corrosion depth(µm)
N08904     solution      120         0.35                                   ≤50


Intergranular corrosion resistance according ASTM 262C (65%HNO3)
ASTM UNS  condtion  48h(1)  48h(2)  48h(3)  48h(4)  48h(5) average corrosion rate(mm/a)
N08904      solution   0.19      0.18     0.29      0.48      0.67        0.36



Usage
     Urea stainless tube---Applied in manufacturing the devices as air stripping tower, high pressure separator, CO2 compressor cooling tower and high pressure piping, etc.
     Product standard for urea stainless steel:     ASME SA-213    ASTM A213   JIS G3463, etc.

Product size:
    OD 16-219mm
    WTK 1-20mm



Please send us your requirement to
Sales@haverergroup.com, our SALES TEAM will be here for you!
 Print [ Close ] Top
Copyright © Haverer Group All Rights Reserved.