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Model No.: GB/T 8163
Brand: TORICH
Type: Cold Drawn Or Hot Rolled
Application: For Liquid Transport
Section Shape: Round
Surface Treatment: Oiled
Usage: Pipeline Transport
Technique: Cold Drawn
Material: 1010 1020 Q295,Q345,Q420,Q460
Shape: Round
Brand: TORICH
OD: 4-1200mm
WT: 0.3-200mm
Product Name: Seamless Steel Tubes For Liquid Service GB/T 8163
Key Word: Cold Drawn Seamless Tubes
Length: 3000-12500mm
Packaging: Seamless Steel Tubes for Liquid Service GB/T 8163,In bundles with seaworthy packing
Productivity: 50000 tons/year
Transportation: Ocean,Land,Air
Place of Origin: Zhejiang,CN
Supply Ability: 50000 tons/year
Certificate: ISO 9001 ISO 14001 TS 16949
HS Code: 7304193000
Port: Shanghai,Ningbo,Foshan
Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
Seamless Steel Tubes for Liquid Service GB/T 8163
SPEC:
Material:Q295 Q345 10# 20# Q390,Q420,Q460
Size Range
OD:4-1200mm
WT:0.3-200mm
General Length:3-12.5m
Tolerance:
According to the following tables or customers` request.
Tolerance of the OD &WT:
OD Tolerance:
Production Method | OD 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 Method | OD (DN) | WT/OD | Tolerance |
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 Method | WT | Tolerance |
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
Mechanical properties
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 | |
20 | ≥410 | ≥245 | ≥235 | ≥225 | ≥20 | |
Q295 | A | 390~570 | ≥295 | ≥275 | ≥255 | ≥22 |
B | ||||||
Q345 | A | 470~630 | ≥345 | ≥325 | ≥295 | ≥20 |
B | ||||||
C | ≥21 | |||||
D | ||||||
E | ||||||
Q390 | A | 490~650 | ≥390 | ≥370 | ≥350 | ≥18 |
B | ||||||
C | ≥19 | |||||
D | ||||||
E | ||||||
Q420 | A | 520~680 | ≥420 | ≥400 | ≥380 | ≥18 |
B | ||||||
C | ≥19 | |||||
D | ||||||
E | ||||||
Q460 | C | 550~720 | ≥460 | ≥440 | ≥420 | ≥17 |
D | ||||||
E |
Characteristic:
TORICHQUALITY ASSURANCE
GoodSurface Quality
Good OD and ID tolerance controlled to Technical Standard
Stable quality
100% Eddy Current Test
Processing:hot rolling(extrude expand), cold drawn(rolling)
TechnicalDelivery Conditions:hot rolling, annealing, normalizing
Widelyused in the field of:Pipeline transporting for liquid service
Product Categories : Seamless Steel Tubes
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.