Company Details
  • Torich International Co.,Ltd--The Steel Tube Maker

  •  [Zhejiang,China]
  • Business Type:Distributor/Wholesaler , Manufacturer , Service , Trade Company
  • Main Mark: Africa , Americas , Asia , Caribbean , East Europe , Europe , Middle East , North Europe , Oceania , Other Markets , West Europe , Worldwide
  • Exporter:31% - 40%
  • Certs:GB, ISO9001, ISO14001
  • Description:Steel Tubes,Heat Exchanger Tubes,Heat Exchanger Tubes Low Temperature Service Piping
Torich International Co.,Ltd--The Steel Tube Maker Steel Tubes,Heat Exchanger Tubes,Heat Exchanger Tubes Low Temperature Service Piping
Home > Products > Seamless Steel Tubes > GB/T 18984 Carbon Steel Heat Exchanger Tubes Low Temperature Service Piping

GB/T 18984 Carbon Steel Heat Exchanger Tubes Low Temperature Service Piping

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    Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
    Incoterm: FOB,CFR,CIF,FCA,CPT
    Min. Order: 5 Ton
    Delivery Time: 45 Days

Basic Info

Model No.: GB/T 18984

Type: Welded, Seamless

Certification: API, CE, BSI, UL

Application: Fluid Pipe

Section Shape: Round

Surface Treatment: Oiled

Usage: Pipeline Transport

Technique: Cold Drawn

Material: Stainless Steel, Carbon Steel, 16MnDG , 10MnDG , 09DG

OD: 4-1200mm

WT: 0.3-200mm

Length: 4-12M

Product Name: GB/T 18984 Carbon Steel Heat Exchanger

Additional Info

Packaging: Anti Rust Oil Protection, in seaworthy packing material, in hexagonal bundles or in wooden box

Productivity: 40000 ton per year

Brand: TORICH

Transportation: Ocean,Land,Air

Place of Origin: Zhejiang,China

Supply Ability: 50000 ton per year

Certificate: ISO 9001:2008 ISO 14001:2008 TS 16949

HS Code: 7304191000

Port: Shanghai,Ningbo,Foshan

Product Description

GB/T 18984 seamless steel tubes for Low-Temperature Service Piping

Spec:
Material:16MnDG , 10MnDG , 09DG
Size Range:OD:4-1200mm
WT:0.3-200mm
General Length:4-12m
Tolerance:
According to the following tables or customers` request.

Permissible deviation tolerance of OD and WT

Classification 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

-10%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

/

MPa

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


Characteristic:

TORICH QUALITY ASSURANCE

Good surface quality

Good OD and ID tolerance controlled to Technical Standard
Stable quality
100% Eddy Current Test


Processing:W-H W-C


Technical Delivery Conditions:Nomalizing


Widely used in the field of:Low temperature heat exchanger


Product Images:


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Product Categories : Seamless Steel Tubes

Product Images
  • GB/T 18984 Carbon Steel Heat Exchanger Tubes Low Temperature Service Piping
  • GB/T 18984 Carbon Steel Heat Exchanger Tubes Low Temperature Service Piping
  • GB/T 18984 Carbon Steel Heat Exchanger Tubes Low Temperature Service Piping
  • GB/T 18984 Carbon Steel Heat Exchanger Tubes Low Temperature Service Piping
  • GB/T 18984 Carbon Steel Heat Exchanger Tubes Low Temperature Service Piping
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