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GB/T18984 16MnDG 10MnDG 06Ni3MoDG Cold Drawn Steel Tube Seamless Steel Pipes

Minimum Order Quantity : 2 Ton Price : negotiable
Packaging Details : packing in wooden boxes or in hexagonal bundles Delivery Time : 30days
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram Supply Ability : 20000Ton per year
Place of Origin: Zhejiang,China Brand Name: Torich
Certification: ISO9001:2008,ISO14001:2008 Model Number: GB/T18984

Detail Information

Standard: GB/T18984 JIS G3460 JIS G3464 Length: 4-12m
Material: 16MnDG 10MnDG 06Ni3MoDG 09DG 09Mn2VDG Usage: For -45℃~-100℃Low Temperature Survices And Heat Exchangers
Shape: Round Shape Surface: Normalized
OD: 3-420mm WT: 0.5-50mm
High Light:

precision stainless steel tubing

,

seamless carbon steel tube

Product Description

Product Name: TORICH allibaba com GB/T18984 16MnDG 10MnDG 06Ni3MoDG Steel tube manufacturer For Low Temperature Survices Seamless Steel Pipes
Standard: GB/T18984
OD: 3-420mm
WT: 0.5-50mm
Length: 4-12m or according to customers' actual application and production.
Application: For Low Temperature Survices-45℃~-100℃
Steel Grade: 16MnDG 10MnDG 09DG 06Ni3MoDG
Technology: Hot rolled,cold drawn(roll)Normalized
Characteristic:
Good concentricity
Good surface quality
Good OD and ID tolerance
High Precision
Stable quality
Smooth Roughness
TORICH QUALITY ASSURANCE
 
Permissible deviation tolerance of OD and WT

ClassficationSteel sizePermissible tolerance
W-HOD<351±1.0%D
≥351±1.25%D
WT≤25±12.5%S
W-COD≤30±0.20
>30~50±0.30
>50±0.75%D
WT≤3

+12.5%S
-10%S

>3±10%S
 

 
Steel grade and chemical composition

Steel gradeChemical composition/%
CSiMnPSNiMoV
16MnDG0.12~0.200.20~0.551.20~1.60≤0.025≤0.025
10MnDG≤0.130.17~0.37≤1.35≤0.025≤0.025≤0.07
09DG≤0.120.17~0.37≤0.95≤0.025≤0.025≤0.07
09Mn2VDG≤0.120.17~0.37≤1.85≤0.025≤0.025≤0.12
06Ni3MoDG≤0.080.17~0.37≤0.85≤0.025≤0.025≤0.05
 

 
Longitudinal mechanical properties of steel tubes

Steel grade

Tensile strength
GB/T18984 16MnDG 10MnDG 06Ni3MoDG Cold Drawn Steel Tube Seamless Steel Pipes 0/
MPa

Lower yield strength Rp0.2/MPaElongation A/
S≤16mmS>16mmSample 1Sample 2Sample 3
16MnDG490~665≥325≥315≥30
10MnDG≥400≥240≥35
09DG≥385≥210≥30
09Mn2VDG≥450≥300≥30
06Ni3MoDG≥455≥250≥30

 

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/T18984 16MnDG 10MnDG 06Ni3MoDG Cold Drawn Steel Tube Seamless Steel Pipes 1 GB/T18984 16MnDG 10MnDG 06Ni3MoDG Cold Drawn Steel Tube Seamless Steel Pipes 2

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