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GB/T 18984 Seamless steel pipe for low temperature pipelines
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GB/T 18984 Seamless steel pipe for low temperature pipelines
Still deciding? Get samples first, Contact US !
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- Description
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Product Description
GB/T 18984 steel pipe is a seamless pipe for low-temperature piping, which can be bent, crimped and similarly shaped, and is also suitable for welding operations. Steel pipe carbon - manganese steel material grade (chemical composition) for 16MnDG, 10MnDG and 09DG, using hot-rolled (expanded) or cold-drawn (rolled) process manufacturing.
Product Size
Outer diameter: 21.0～610.0mm
Wall thickness: 2.00～70.00mm
End: Flat end, beveling optional
Length: 3 to 12 meters or SRL, DRL, double and fixed feetProduct Packaging
Clear/black paint on exterior surfaces, steel strapping.
Chemical composition
Grade/Elements C
Mn
P
S
Si
Cr
Cu
Mo
Ni
V
≤，%
≤，%
≤，%
16MnDG
0.12～0.20
1.20～1.60
0.020
0.010
0.20～0.55
0.25
0.20
10MnDG
0.13
1.35
0.020
0.010
0.17～0.37
0.25
0.20
≤0.07
09DG
0.12
0.95
0.020
0.010
0.17～0.37
0.25
0.20
≤0.07
Product Mechanical Properties
Grade/Item Tensile strength ≥, MPa
Yield strength ≥, MPa
Elongation after break ≥, %
Shock absorbing work (average) ≥
wall thickness≤16mm
wall thickness＞16mm
16MnDG
490～665
325
315
Detailed information refer to the product standard
Detailed information refer to the product standard
10MnDG
400
240
09DG
385
210
Grade/Item Tensile strength ≥, MPa Yield strength ≥, MPa Elongation after break ≥, % Impact absorption work (average) ≥. 09Mn2VDG 450 300 Detailed information refer to the product standard Detailed information refer to the product standard 06Ni3MoDG 455 250 06Ni9DG 690 520 Application
Typically used in the construction of petroleum and petrochemical refineries, power plants, boilers and ships that transport fluids and gases with high temperatures and pressures.
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Yantai Pipe industry Co., Ltd.,
E-mail: info@yantaipipe.cn
WhatsApp: 8615653819370
Tel: 0086-535-6281117
Add: No. 161 Changjiang Road, FTZ, Yantai , China