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Seamless Steel Tubes for Liquid Service GB/T 8163 10# 20# Q345

TORICH INTERNATIONAL CO.,LTD
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TORICH INTERNATIONAL CO.,LTD
City: Ningbo
Province/State: Zhejiang
Country/Region: China
Contact Person:
Mr Richard SHEN

Seamless Steel Tubes for Liquid Service GB/T 8163 10# 20# Q345

MOQ : 5 Ton
Brand Name : TORICH
Model Number : GB/T 8163
Certification : ISO 9001 ISO 14001 TS 16949
Place of Origin : Zhejiang China
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability : 20000 Ton/Year
Delivery Time : 30 days
Packaging Details : Packing in wooden box or other seaworthy ways.
Price : USD 800-1300/Ton
Product Name : Seamless Steel Tubes for Liquid Service GB/T 8163
Application : For liquid
Surface : Oiled
Material : 10# 20# Q295 Q345 st35.8
Shape : Round
OD : 4-1200mm
WT : 0.3-200mm
Length : 3-12.5m
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Seamless Steel Tubes for Liquid Service GB/T 8163 10# 20#


Spec:

Material:10# 20# Q295 Q345 st35.8

Size Range:OD:4-1200mm

WT:0.3-200mm

General Length:3-12.5m


Tolerance of the OD &WT:

OD Tolerance:

Production MethodOD Tolerance
Hot Rolling(Extrusion)±1% or ±0.50mm
Cold Drawn(Cold Rolled)±1% or ±0.30mm

Tolerance for wall thickness:


1.Wall thickness tolerance of Hot Rolling steel tube:

Production MethodOD (DN)WT/ODTolerance
Extruded tube≤102/±12.5% or ±0.40mm
>102≤0.05±15% or ±0.40mm
>0.05-0.10±12.5% or ±0.40mm
>0.10

+12.5%

-10%

Heat expanding steel tube/±15%

2.Wall thickness tolerance of Cold Drawn(Cold Rolled) steel tube:

Production MethodWTTolerance
Cold Drawn(Cold Rolled) steel tube≤3+15%/-10% or ±0.40mm
>3

+12.5%

-10%


Bending tolerance:

WT≤15mm, Bending≤1.5mm/m

WT>15mm~30mm, Bending≤2.0mm/m

WT>30mm/OD≥351mm, Bending≤3.0mm/m


Ovality and Wall unevenness:

The ovality and wall unevenness should be no more than 80% of the OD and wall thickness.(Or according to customer`s request)


Characteristic:

mechanical property

Steel Grade

Tensile strength

Rm

N/mm2(MPa)

Yield Strength

Rp0.2

N/mm2(MPa)

Elongation

A %

Wall Thickness
≤16mm>16~30mm>30mm
10≥335≥205≥195≥185≥24
15≥375≥225≥215≥205≥22
20≥410≥245≥235≥225≥20
25≥450≥275≥265≥255≥18
35≥510≥305≥295≥285≥17
45≥590≥335≥325≥315≥14
20Mn≥450≥275≥265≥255≥20
25Mn≥490≥295≥285≥275≥18
Q235A375~500≥235≥225≥215≥25
B
C
D
Q275A415~540≥275≥265≥255≥22
B
C
D
Q295A390~570≥295≥275≥255≥22
B
Q345A470~630≥345≥325≥295≥20
B
C≥21
D
E
Q390A490~650≥390≥370≥350≥18
B
C≥19
D
E
Q420A520~680≥420≥400≥380≥18
B
C≥19
D
E
Q460C550~720≥460≥440≥420≥17
D
E

Test:

  1. Bending test
  2. Hardness test
  3. Impact test
  4. Squeezing test
  5. Non-destructive test

Processing:Hot rolling(extrude expanding) or cold drawn(rolling)


Technical Delivery Conditions:Hot rollling or heat-tretment


Widely used in the field of:For genenal liquid transporting service


Product Images:



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Seamless Steel Tubes for Liquid Service GB/T 8163 10# 20# Q345 Images

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