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Astm A270 Stainless Steel Tube Bright Annealed Welded With Od 4mm - 1200mm

Categories Stainless Steel Tube
Brand Name: TORICH
Model Number: EN10217-7
Certification: ISO 9001,ISO 14001,TS 16949
Place of Origin: China
MOQ: 1 Tons
Price: negotiable
Payment Terms: D/A, L/C, D/P, T/T, Western Union, MoneyGram
Supply Ability: 50000Tons/Years
Delivery Time: 30-35 Days
Packaging Details: In wooden boxes
Product Name: Pressure Purposes EN10217-7 Stainless Steel Tube With Automatic Arc Welding
Key word: Stainless Steel Pipes
OD: 4-420mm
WT: 0.5-50mm
length: 1-12m
Payment: L/C T/T D/P D/A
Materail: tp304 tp310
Shape: Round
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Astm A270 Stainless Steel Tube Bright Annealed Welded With Od 4mm - 1200mm

EN10217-7 Welded steel tubes for pressure purposes - Technical delivery conditions -

Part 7: Stainless Steel Tubes


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 Composition of austenitic steels:

Steel Grade

C

max

Si

max

Mn

max

P

max

S

max

NCrCuMoNiOthers
Steel nameSteel number
X2CrNi18-91.43070.0301.002.000.0450.015≤0.1017.5-19.5--8.0to15.0-
X2CrNi19-111.43060.0301.002.000.0450.015≤0.1018.0-20.0--10.0to12.0-
X2CrNiN18-101.43110.0301.002.000.0450.0150.12-0.2217.5-19.5--8.5to11.5-
X5CrNi18-101.43010.0701.002.000.0450.015≤0.1017.5-19.5--8.0to10.5-
X6CrNiTi18-101.45410.0801.002.000.0450.015-17.0-19.5--9.0to12.0Ti5xCto0.70
X6CrNiNb18-101.45500.0801.002.000.0450.015-17.0-19.5--9.0to12.0Nb10xCto1.00
X2CrNiMo17-12-21.44040.0301.002.000.0450.015≤0.1016.5-18.5-2.00to2.5010.0to13.0-
X5CrNiMo17-12-21.44010.0701.002.000.0450.015≤0.1016.5-18.5-2.00to2.5010.0to13.0-
X6CrNiMoTi17-12-21.45710.0801.002.000.0450.015-16.5-18.5-2.00to2.5010.5to13.5Ti5xCto0.70
X2CrNiMo17-12-31.44320.0301.002.000.0450.015≤0.1016.5-18.5-2.50to3.010.5to13.0
X2CrNiMoN17-13-31.44290.0301.002.000.0450.0150.12-0.2216.5-18.5-2.50to3.011.0to14.0-
X3CrNiMo17-13-31.44360.0501.002.000.0450.015≤0.1016.5-18.5-2.50to3.010.5to13.0-
X2CrNiMo18-14-31.44350.0301.002.000.0450.015≤0.1017.0-19.0-2.50to3.012.5to15.0-
X2CrNiMoN17-13-51.44390.0301.002.000.0450.0150.12-0.2216.5-18.5-4.0to5.012.5to14.5-
X2CrNiMo18-15-41.44380.0301.002.000.0450.015≤0.1017.5-19.5-3.0-4.013.0to16.0-
X1NiCrMoCu31-27-41.45630.0200.702.000.0300.010≤0.1026.0-28.00.70-1.503.0-4.030.0to32.0-
X1NiCrMoCu25-20-51.45390.0200.702.000.0300.010≤0.1519.0-21.01.20-2.004.0-5.024.0to26.0-
X1CrNiMoCuN20-18-71.45470.0300.701.000.0300.0100.18-0.2519.5-20.50.50-1.006.0-7.017.5to18.5-
X1NiCrMoCuN25-20-71.45290.0300.501.000.0300.0100.15-0.2519.0-21.00.50-1.506.0-7.024.0to26.0-

Chemical Composition of austenitic steels:

Steel Grade

C

max

Si

max

Mn

max

P

max

S

max

NCrCuMoNiOthers
Steel nameSteel number
X2CrNiMoN22-5-31.44620.0301.002.000.0350.0150.10-0.2221.0-23.0-2.50-3.54.5-6.5-
XCrNiN23-41.43620.0301.002.000.0350.0150.05-0.2022.0-24.00.10-0.600.10-0.603.5-6.5-
X2CrNiMoN25-7-41.44100.0301.002.000.0350.0150.20-0.3524.0-26.0-3.0-4.56.0-8.0-
X2CrNiMoCuWN25-7-41.45010.0301.001.000.0350.0150.20-0.3024.0-26.00.50-1.003.0-4.56.0-8.0W0.50-1.00

Delivery condition:

SymbolTypes of delivery conditionSuface Condition
W0bWelded from hot or cold rolled plate, sheet or strip 1D, 2D, 2E, 2BAs welded
W1bWelded from hot rolled plate, sheet or strip 1D, descaledMetallically clean
W1A bWelded from hot rolled plate, sheet or strip 1D, descaledMetallically clean
W1R bWelded from hot rolled plate, sheet or strip 1D, bright annealedMetallically bright
W2 bWelded from cold rolled plate, sheet or strip 2D, 2E, 2B descaledMetallically clean
W2A bWelded from cold rolled plate, sheet or strip 2D, 2E, 2B, heat treated,descaledExcept for the wel, essentially smoother than for types W1 and W1A
W2R bWelded from cold rolled plate, sheet or strip 2D, 2E, 2B, bright annealedMetallically bright
WCAWelded from hot rolled or cold rolled plate, sheet or strip 1D, 2D, 2E, 2B, heat treated if appropriate, at least 20% cold formed, heat treated, with re-crystallized weld metal, descaledMetallically clean, welded scarcely recognizable
WCRWelded from hot rolled or cold rolled plate, sheet or strip 1D, 2D, 2E, 2B, heat treated if appropriate, at least 20% cold formed, bright annealed, with re-crystallized weld metalMetallically bright, welded scarcely recognizable
WGGround cMetallically bright-ground, the type and degree of grinding shall be agreed at the time of enquiry and order
WPPolish cMetallically bright-polish, the type and degree of polishing shall be agreed at the time of enquiry and order

ASTM A270 Bright Annealed Stainless Steel Tube , Stainless Steel Welded Tube ASTM A270 Bright Annealed Stainless Steel Tube , Stainless Steel Welded Tube

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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