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Smooth / Oiled Surface Round Structural Steel Tubing Length 1 - 12m Gb/t699

Basic Information
Place of Origin: ZHEJIANG, CHINA
Brand Name: TORICH
Certification: ISO9001, ISO14001, TS16949
Model Number: GB/T699
Minimum Order Quantity: 5Tons
Price: USD900-1500/Ton
Packaging Details: Carbon Steel Tubes are packed in wooden boxes or hexagonal bundles in seaworthy packing.
Delivery Time: 30-45 work days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 2000Tons per Year
Detail Information
Keyword: Carbon Steel Tube Standard: GB/T699
Grade: 20#, 45#, 10#, 10#, 20#, 45#, 15Mn Etc Surface: Smooth And Oiled
Shape: Round OD: 4-420mm
WT: 0.5-50mm Length: 1-12m
Usage: Structural Purpose Technique: Hot Rolled
High Light:

structural steel tubing

,

structural steel square tubing


Product Description

TORICH GB/T699 Quality Carbon Structural Steel for Structure Tube and Pipe

 

Product Description:

Standard: GB/T699

Size Range: OD: 4-420mm

                     WT: 0.5-50mm

                     Length: 1-12m

Steel Grade: 08F, 10F, 15F, 10#, 20#, 45#, 15Mn, 20Mn, 25Mn etc

Features:

Smooth inner and outer surfaces
Available in a variety of outer diameter sizes

Good raw material quality

Narrow tolerance

Deliver condition:
1). Hot Rolled
2). Annealed
3). Normalizing
4). High temperature tempering

 

ACA62B85C601671C70447CE62A178ED23CBEBC1C08BB3ED82E3D7748532D6D69

 

Steel Grade and Chemical Compositions:

Grade C Si Mn Cr Ni Cu
max
08F 0.05-0.11 ≤0.03 0.25-0.50 0.10 0.30 0.25
10F 0.07-0.13 ≤0.07 0.25-0.50 0.15 0.30 0.25
15F 0.12-0.18 ≤0.07 0.25-0.50 0.25 0.30 0.25
08 0.05-0.11 0.17-0.37 0.35-0.65 0.10 0.30 0.25
10 0.07-0.13 0.17-0.37 0.35-0.65 0.15 0.30 0.25
15 0.12-0.18 0.17-0.37 0.35-0.65 0.25 0.30 0.25
20 0.17-0.23 0.17-0.37 0.35-0.65 0.25 0.30 0.25
25 0.22-0.29 0.17-0.37 0.50-0.80 0.25 0.30 0.25
30 0.27-0.34 0.17-0.37 0.50-0.80 0.25 0.30 0.25
35 0.32-0.39 0.17-0.37 0.50-0.80 0.25 0.30 0.25
40 0.37-0.44 0.17-0.37 0.50-0.80 0.25 0.30 0.25
45 0.42-0.50 0.17-0.37 0.50-0.80 0.25 0.30 0.25
15Mn 0.12-0.18 0.17-0.37 0.70-1.00 0.25 0.30 0.25
20Mn 0.17-0.23 0.17-0.37 0.70-1.00 0.25 0.30 0.25
25Mn 0.22-0.29 0.17-0.37 0.70-1.00 0.25 0.30 0.25
30Mn 0.27-0.34 0.17-0.37 0.70-1.00 0.25 0.30 0.25
45Mn 0.42-0.50 0.17-0.37 0.70-1.00 0.25 0.30 0.25
... ... ... .. ... ... ...

76F8B3F154E67770E32DDBA4A222ED32

 

QUALITY CONTROL

1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking for Precision Steel Tube Cold Drawn Carbon Seamless Steel Pipe DIN2391 St35 St45 St37.0 St37.4 St52.0 St30Si

 

100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.

FAQ:

Q: Are you trading company or manufacturer ?

A: A professional steel pipes materials inventor, manufacturer and solution provider

Q: How long is your delivery time?

A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples of carbon seamless steel tube ? is it free or extra ?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us

TORICH GB/T699 Quality Carbon Structural Steel for Structure Tube and Pipe

Contact Details
Jasmine Zhang

Phone Number : +8618067598028

WhatsApp : +8613736164628