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GB/T18704 Q195 Q235 12Cr18Ni9 Stainless Steel Clad Pipes OD 12.7mm - 325mm

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GB/T18704 Q195 Q235 12Cr18Ni9 Stainless Steel Clad Pipes OD 12.7mm - 325mm

Brand Name : TORICH

Model Number : GB/T18704

Certification : ISO9001:2008

Place of Origin : ZheJiang. CHINA

MOQ : 5T

Price : 900-3000 USD/ton

Payment Terms : L/C, D/A, T/T, D/P, Western Union, MoneyGram

Supply Ability : 50000Ton per year

Delivery Time : 30-35 work days

Packaging Details : packing in wooden boxes or in hexagonal bundles

Product name : GB/T18704 Q195 Stainless Steel Clad Pipes for Structural Purposes

Material : 06Cr19Ni10, 12Cr18Ni9, 12Cr18Mn9Ni5N etc

Characteristic : Welded Stainless Clad Pipes

Production Method : Produced by welded

End protector : Plain

Length : 1-8m

Type : Clad Pipes

MTC : EN10204.3.1

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Product Name:TORICH GB/T18704 Q195 Q235 12Cr18Ni9 Stainless Steel Clad Pipes for Structural Purposes
Standard: GB/T18704
OD: 12.7 - 325 mm
WT: 0.8 - 12 mm
Length: 1-8m or according to customers' actual application and production.
Application:public facilities. Vehicle and ship manufacturing. Road guardrail. Furniture. Medical apparatus and instruments
Steel Grade:Q195 Q235 06Cr19Ni10 12Cr18Ni9 12Cr18Mn9Ni5N 12Cr17Mn6Ni5N
Technology: Continuous welding molding

Tolerance of OD

Surface delivery conditionNominal outside diameterTolerance

Polishing,Polish
(SB,SP)

≤25±0.25
＞25~40±0.30
＞40~50±0.35
＞50~60±0.40
＞60~70±0.50
＞70~80±0.60
＞80±1％D
Unpolished,Sand blasting(SNB,SS)≤25±0.30
＞25~50±0.40
＞50±1.0％D


Tolerance of WT

Wall thickness(S)Tolerance(high-grade)Tolerance(medium grade)
≥0.8~2.0±0.10±0.20
＞2.0~3.0±0.15±0.30
＞3.0±5％S±10％S


Chemical composition

No.Unified digital codeNew steel gradeOld steel gradeChemical composition
CSiMnPSNiCrN
1S3535012Cr17Mn6Ni5N1Cr17Mn6Ni5N≤0.15≤1.005.50~7.50≤0.050≤0.0303.50~5.5016.00~18.000.05~0.25
2S3545012Cr18Mn9Ni5N1Cr18Mn8Ni5N≤0.15≤1.007.50~10.0≤0.050≤0.0304.00~6.0017.00~19.000.05~0.25
3S3021012Cr18Ni91Cr18Ni9≤0.15≤1.00≤2.00≤0.045≤0.0308.00~10.0017.00~19.00≤0.10
4S3040806Cr19Ni100Cr18Ni9≤0.08≤1.00≤2.00≤0.045≤0.0308.00~11.0018.00~20.00-


Mechanical property

No.Unified digital codeNew steel gradeOld steel grade

Yield strength
Rp0.2/MPa

Tensile
Strength
Rm/MPa

Elongation A/
％

≥
1S3535012Cr17MnNi5N1Cr17Mn6Ni5N24552025
2S3545012Cr18Mn9Ni5N1Cr18Mn8Ni5N245520
3S3021012Cr18Ni91Cr18Ni921052030
4S3040806Cr19Ni100Cr18Ni9210520


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.

GB/T18704 Q195 Q235 12Cr18Ni9 Stainless Steel Clad Pipes OD 12.7mm - 325mm GB/T18704 Q195 Q235 12Cr18Ni9 Stainless Steel Clad Pipes OD 12.7mm - 325mm
GB/T18704 Q195 Q235 12Cr18Ni9 Stainless Steel Clad Pipes OD 12.7mm - 325mm


Product Tags:

welding steel tubing

      

electric resistance welded steel tube

      
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