Austenitic 25mm Welded Stainless Steel Tubing Astm A688 For Feedwater Heater

Brand Name:TORICH
Certification:ISO 9001,ISO 14001,TS 16949
Model Number:ASTM A688
Minimum Order Quantity:1 Tons
Delivery Time:30-35 Days
Payment Terms:D/A, L/C, D/P, T/T, Western Union, MoneyGram
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Location: Ningbo Zhejiang China
Address: Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China
Supplier`s last login times: within 42 hours
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Product Details

ASTM A688 Welded Austenitic 25mm Stainless Steel Tube For Feedwarter Heater

Manufacture:

The tubes are manufactured from hot or cold rolled plates, sheet or strips in accordance with EN10028-1,

longitudinally arc or laser welded by fusion accross the abutting edges


Manufacturing process

- Automatic arc welding

- Laser welding

Chemical Requirement
Grade:TPXM-19TPXM-10TPXM-11TPXM-29TP304TP304LTP304H
UNSS20400S20910S20900S21904S24000S30400S30403S30409
C, max0.030.0600.0800.040.080.080.0350.040-0.10
Mn, max7.0-9.04.0-6.08.0-10.08.0-10.011.5-14.52.002.002.00
P, max0.0450.0450.0450.0450.0600.0450.0450.045
S, max0.0300.0300.0300.0300.0300.0300.0300.030
Si, max1.001.001.001.001.001.001.001.00
Cr15.0-17.020.5-23.519.0-21.519.0-21.517.0-19.018.0-20.018.0-20.018.0-20.0
Ni1.50-3.0011.5-13.55.5-7.55.5-7.52.3-3.78.0-11.08.0-13.08.0-11.0
Mo1.50-3.00
Ti
Columbium0.10-0.30
Tantalum
Nitrogen0.15-0.300.20-0.400.15-0.400.15-0.400.20-0.40
Vanadium0.10-0.30
Copper
Cerium
Boron
Aluminum

Grade:TP304NTP304LNTP309STP309H
UNSS30415S30451S30453S30600S30615S30815S30908S30909
C, max0.040-0.100.0800.0350.0180.16-0.240.05-0.100.0800.040-0.10
Mn, max0.802.002.002.002.000.802.002.00
P, max0.0450.0450.0450.0200.0300.0400.0450.045
S, max0.0300.0300.0300.0200.0300.0300.0300.030
Si, max1.00-2.001.001.003.7-4.33.2-4.01.40-2.001.001.00
Cr18.0-19.018.0-20.018.0-20.017.0-18.517.0-19.020.0-22.022.0-24.022.0-24.0
Ni9.0-10.08.0-18.08.0-12.014.0-15.513.5-16.010.0-12.012.0-15.012.0-15.0
Mo0.200.75
Ti
Columbium
Tantalum
Nitrogen0.12-0.180.10-0.160.10-0.160.14-0.20
Vanadium
Copper0.5 max
Cerium0.03-0.08
Boron
Aluminum0.80-1.50

Grade:TP309CbTP309HCbTP310STP310HTP310CbTP310HCb
UNSS30940S30941S31002S31008S31009S31040S31041S31050
C, max0.0800.040-0.100.0150.0800.040-0.100.0800.040-0.100.025
Mn, max2.002.002.002.002.002.002.002.00
P, max0.0450.0450.0200.0450.0450.0450.0450.020
S, max0.0300.0300.0150.0300.0300.0300.0300.015
Si, max1.001.000.151.001.001.001.000.40
Cr22.0-24.022.0-24.019.0-22.024.0-26.024.0-26.024.0-26.024.0-26.024.0-26.0
Ni12.0-16.012.0-16.024.0-26.019.0-22.019.0-22.019.0-22.019.0-22.020.5.0-23.5
Mo0.750.750.100.750.750.751.6-2.6
Ti
Columbium10XC min,1.10 max10XC min,1.10 max10XC min,1.10 max10XC min,1.10 max
Tantalum
Nitrogen0.100.09-0.15
Vanadium
Copper
Cerium
Boron
Aluminum

QUALITY CONTROL

1~ Incoming Raw Material Inspection
2~ Raw Material Segregation to avoid steel grade mix-up
3~ Heating and Hammering End for Cold Drawing
4~ Cold Drawing and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8~ Packing and Stocking.


100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.

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China Austenitic 25mm Welded Stainless Steel Tubing Astm A688 For Feedwater Heater supplier

Austenitic 25mm Welded Stainless Steel Tubing Astm A688 For Feedwater Heater

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