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Model No.: ASTM A519
Brand: Torich
Type: Cold Drawn/ Cold Rolling
Certification: CE
Application: Inchustry
Section Shape: Round
Surface Treatment: Oiled
Usage: Construction & Decoration
Technique: Cold Drawn
Material: Carbon Steel
Origin: China
Deminsion: 6-100mm
Delivry Condition: +N +C +LC +SA +A
Brand Name: TORICH
Length: Per Customer's Request
Product Name: Precision Seamless Steel Tube
Certificate: ISO9001/ TS16949
Packaging: In bundles packaging
Productivity: 25000
Transportation: Ocean
Place of Origin: China
Supply Ability: 5000tons per year
Certificate: ISO9001 TS 16949 ISO14001
HS Code: 7304
Port: Shanghai,Ningbo
Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,EXW,FCA
TORICH ASTM A519 China Manufacturer Structural Cold Drawn Carbon Steel Tubes
Steel grade 10# 20# 35# 45# Q345B
Steel grade | deliver conditions | |||||||||||
+C | +LC | +SR | +A | +N | ||||||||
Rm/Mpa | A/% | Rm/Mpa | A/% | Rm/Mpa | ReH/Mpa | A/% | Rm/Mpa | A/% | Rm/Mpa | ReH/Mpa | A/% | |
No less than | ||||||||||||
10 | 430 | 8 | 380 | 10 | 400 | 300 | 16 | 335 | 24 | 320-450 | 215 | 27 |
20 | 550 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 440-570 | 255 | 21 |
35 | 590 | 5 | 550 | 7 | 510 | 17 | ≥460 | 280 | 21 | |||
45 | 645 | 4 | 630 | 6 | 590 | 14 | ≥540 | 340 | 18 | |||
Q345B | 640 | 4 | 580 | 7 | 580 | 450 | 10 | 450 | 22 | 490-630 | 355 | 22 |
Deliver condition:
Cold working/Hard condition:+C
No heat treatment after the final cold working process.
Cold working/Soft condition:+LC
After the final treatment there is a suitable cold working process
Stress relieving annealed conditio:+SR
After the final cold working process there is a stress relief heat treatment in a controlled atmosphere
Annealed condition:+A
After the final cold working process the tubes are fully annealed in a controlled atomosphere.
Normalised condition:+N
After the final cold working operation the tubes are normalized in a controlled atomosphere.
The permissible tolerances of the internal and external diameter unit:mm
Wall thickness(S)/extrernal diameter | Permissible tolerance |
S/D≥1/20 | According to the specified value of the table 1 |
1/40≤S/D<1/80 | According to 1.5 times of specified value of the table 1 |
S/D<1/40 | According to double of specified value of the table 1 |
Length is 2000-12000mm Fixed length and multiple length is available.
Tolerance for length , a)the length ≤5000mm +5,0mm
B)the length >5000mm +10,0mm
Every multiple length should leave incision margin according to the following requirement for the steel tubes delivered by multiple length.
Curvature:≤3.0mm/m
The steel tubes` total length curvature external diameter ≥16mm
Product Categories : Seamless Steel Tubes
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