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

Minimum Order Quantity : 5 Ton Price : negotiable
Packaging Details : Packing in wooden box or other seaworthy ways. Delivery Time : 30 days
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram Supply Ability : 20000 Ton/Year
Place of Origin: Zhejiang China Brand Name: TORICH
Certification: ISO 9001 ISO 14001 TS 16949 Model Number: GB/T 8163

Detail Information

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
High Light:

seamless steel pipe

,

seamless carbon steel tube

Product Description

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 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

 

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
Q235 A 375~500 ≥235 ≥225 ≥215 ≥25
B
C
D
Q275 A 415~540 ≥275 ≥265 ≥255 ≥22
B
C
D
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

 

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:

Seamless Steel Tubes for Liquid Service GB/T 8163 10# 20# Q345 0

Seamless Steel Tubes for Liquid Service GB/T 8163 10# 20# Q345 1

Seamless Steel Tubes for Liquid Service GB/T 8163 10# 20# Q345 2Seamless Steel Tubes for Liquid Service GB/T 8163 10# 20# Q345 3

 

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