MachineU > China Products > Minerals & Metallurgy > Carbon Steel > Steel Pipes > Seamless Steel Pipes
GB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel Tube
GB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel Tube
GB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel Tube
GB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel Tube
GB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel Tube
GB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel Tube
GB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel Tube
GB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel Tube
GB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel Tube
GB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel Tube
GB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel Tube
GB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel Tube
Specifications
Brand Name :
Torich
Model Number :
GB9948
Certification :
ISO14001:2008, TS16949, CE PED, TUV, API,BV
Place of Origin :
China
MOQ :
2 tons
Price :
negotiable
Payment Terms :
L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability :
20000 Tons per Year
Delivery Time :
30-45 Days
Packaging Details :
in wooden boxes or in hexagonal bundles
Product Name :
GB9948 20# Alloy Carbon Pipe Petroleum Cracking Seamless Steel Tube
Material :
10#.20# 12CrMo 15CrMo 12CrlMo 12CrlMoV 12Cr2Mo
Shape :
Round
Surface :
Oiled
Usage :
Petroleum Cracking
OD :
20-500mm
WT :
2-50mm
Length :
4-12m
Description

GB9948 20# Alloy Carbon Pipe Petroleum Cracking Seamless Steel Tube

Production Method of Steel:

High quality carbon sructural steel and alloy structural steel should be handled through electric arc furnace and refining outside the furnace and vacuum refining processing.,also can be producetd by electroslag heavy solvent method.Stainless steel should use electric arc furnace and refining outside the furnace or oxygen converter refining outside the furnace,also can be producetd by electroslag heavy solvent method.

Production Method of Steel:

Hot Rolling(Extrusion,Expansion)or Cold Drawn(Rolling).

Size:

OD:20-500mm

WT:2-50mm

Length:4-12m

Delivery State:

Steel pipes should be delivery with hot treatment state.

Application:

Petrochemical industry furnace tube

Heat exchanger tube

Seamless steel tube for pressure pipe use

The Tolerances of Outer Diameter and Wall Thickness Unit:mm

Sort Code Manufacuring Method Nominal Size Tolerances
Common Level High Level
W-H Hot Rolling (Extrusion) Outer Diameter D ≤54 ±0.50 ±0.30
>54~325 ±1%D ±0.75%D
>325 ±1%D -
Wall Thicknass S ≤20

+15%S

-10%S

 ±10%S
>20

+12.5%S

-10%S

 ±10%S
Hot Expand Outer Diameter D All ±1%D
Wall Thicknass S All ±15%S
W-C Cold Drawn(Rolling) Outer Diameter D ≤25.4 ±0.15
>25.4~40 ±0.20
>40~50 ±0.25
>50~60 ±0.30
>60 ±0.75%D ±0.5%D
Wall Thicknass S ≤3.0 ±0.3 ±0.2
>3.0 ±10%S ±7.5%S

Testing items and sampling quantity of steel tubes

Number Testing items Sampling quantity
1 Chemical composition 1 sample from each furnace
2 Tensile test 1 sample from each of two steel tubes on each batch
3 Hardness test 3 samples taken on 2 steel tubes on each batch
4 Impact test All
5 Hydraulic test 1 sample from each of two steel tubes on each batch
6 Flattening test 2 samples taken on 2 steel tubes on each batch
7 Bending test 1 sample taken on 2 steel tubes on each furnace
8 Flaring test 2 samples taken on 2 steel tubes on each batch
9 Macroscopic examination 1 sample taken on 2 steel tubes on each furnace
10 Non-metallic inclusions 1 sample taken on 2 steel tubes on each furnace
11 Eddy current testing All
12 Magnetic flux leakage detection All
13 Ultrasonic testing All
14 Intergranular corrosion test 1 sample from each of two steel tubes on each batch
GB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel TubeGB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel TubeGB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel TubeGB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel Tube

Product tags

p110 carbon alloy steel pipe

,

carbon steel finned tube

,

steel gas tube
Send your message to this supplier
Send Now

GB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel Tube

Ask Latest Price
Product Detail
Brand Name :
Torich
Model Number :
GB9948
Certification :
ISO14001:2008, TS16949, CE PED, TUV, API,BV
Place of Origin :
China
MOQ :
2 tons
Price :
negotiable
Contact Supplier
GB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel Tube
GB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel Tube
GB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel Tube
GB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel Tube
GB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel Tube
GB9948 Cold Drawn 20# Alloy Carbon Pipe Petroleum Cracking Steel Tube

TORICH INTERNATIONAL LIMITED

Verified Supplier
11 Years
zhejiang, ningbo
Since 1997
Business Type :
Manufacturer, Distributor/Wholesaler, Importer, Exporter, Trading Company, Seller
Main Products :
Precision Steel Tube, Seamless Steel Tube, Stainless Steel Tube
Total Annual :
25000000-30000000
Employee Number :
100~200
Certification Level :
Verified Supplier
Discover similar products
View More

Find Similar Products By Category:

Supplier Homepage Products Seamless Steel Tube
MachineU China Products Minerals & Metallurgy Carbon Steel Steel Pipes Seamless Steel Pipes
Contact Supplier
Submit Requirement