ASTM A954 Grade 5S Alloy Steel Pipe Austenitic Chromium-Nickel-Silicon Alloy Steel Seamless Pipe For General Purpose
Contact Person : Richard SHEN
Phone Number : +86-13736164628
WhatsApp : +8613736164628
Minimum Order Quantity : | 2 Ton | Price : | negotiable |
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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 |
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Certification: | ISO9001:2008,ISO14001:2008 | Model Number: | GB/T18984 |
Detail Information |
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Standard: | GB/T18984 JIS G3460 JIS G3464 | Length: | 4-12m |
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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
Classfication | Steel size | Permissible tolerance | |
W-H | OD | <351 | ±1.0%D |
≥351 | ±1.25%D | ||
WT | ≤25 | ±12.5%S | |
W-C | OD | ≤30 | ±0.20 |
>30~50 | ±0.30 | ||
>50 | ±0.75%D | ||
WT | ≤3 | +12.5%S | |
>3 | ±10%S |
Steel grade and chemical composition
Steel grade | Chemical composition/% | |||||||
C | Si | Mn | P | S | Ni | Mo | V | |
16MnDG | 0.12~0.20 | 0.20~0.55 | 1.20~1.60 | ≤0.025 | ≤0.025 | — | — | — |
10MnDG | ≤0.13 | 0.17~0.37 | ≤1.35 | ≤0.025 | ≤0.025 | — | — | ≤0.07 |
09DG | ≤0.12 | 0.17~0.37 | ≤0.95 | ≤0.025 | ≤0.025 | — | — | ≤0.07 |
09Mn2VDG | ≤0.12 | 0.17~0.37 | ≤1.85 | ≤0.025 | ≤0.025 | — | — | ≤0.12 |
06Ni3MoDG | ≤0.08 | 0.17~0.37 | ≤0.85 | ≤0.025 | ≤0.025 | — | — | ≤0.05 |
Longitudinal mechanical properties of steel tubes
Steel grade | Tensile strength | Lower yield strength Rp0.2/MPa | Elongation A/% | |||
S≤16mm | S>16mm | Sample 1 | Sample 2 | Sample 3 | ||
16MnDG | 490~665 | ≥325 | ≥315 | ≥30 | ||
10MnDG | ≥400 | ≥240 | ≥35 | |||
09DG | ≥385 | ≥210 | ≥30 | |||
09Mn2VDG | ≥450 | ≥300 | ≥30 | |||
06Ni3MoDG | ≥455 | ≥250 | ≥30 |
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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