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Home > Products > Structural Pipe > Quality Carbon Structural Steel for Structure Quality Tube
Quality Carbon Structural Steel for Structure Quality Tube
Quality Carbon Structural Steel for Structure Quality Tube
Quality Carbon Structural Steel for Structure Quality Tube
Quality Carbon Structural Steel for Structure Quality Tube
  • Quality Carbon Structural Steel for Structure Quality Tube
  • Quality Carbon Structural Steel for Structure Quality Tube
  • Quality Carbon Structural Steel for Structure Quality Tube
  • Quality Carbon Structural Steel for Structure Quality Tube

Quality Carbon Structural Steel for Structure Quality Tube

    Unit Price: USD 900 / Ton
    Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
    Incoterm: FOB,CFR,CIF,FCA,CPT
    Min. Order: 5 Ton
    Delivery Time: 30 Days

Basic Info

Model No.: GB/T699

Standard: ASTM, GB, GB/T699

Alloy: Non-alloy

Length: 1-12m

Technics: Hot Rolled

Grade: 20#, 45#, 10#, 10#, 20#, 45#, 15Mn Etc

Shape: Round Shape

Surface: Smooth And Oiled

OD: 4-420mm

WT: 0.5-50mm

Technique: Hot Rolled

Usage: Structural Purpose

Key Words: Carbon Steel Tube

Additional Info

Packaging: Carbon Steel Tubes are packed in wooden boxes or hexagonal bundles in seaworthy packing.

Productivity: 20000 tons/year

Brand: TORICH

Transportation: Ocean,Land,Air

Place of Origin: China (Zhejiang)

Supply Ability: 5000Tons per Year

Certificate: ISO9001,ISO14001,TS16949

Port: Shanghai,Ningbo

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

Qq 20151230103329Qq 20151230103317

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
... ... ... .. ... ... ...

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Torich's Chemical assurance
1.Each lot of raw materials will be tested by spectrometer before put in storage.
2.100%PMI the mother pipe to ensure we put right material.
2.100%PMI the finished pipe again to ensure we produced right grade

Heat Treatment Assurance
A full-automatic natural gas furnace with 24 meters in length.The real temperature tolerance could be within 10℃.

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, and it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but you need to 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

Looking for ideal Carbon Structural Steel Tube Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Quality Carbon Steel Tube are quality guaranteed. We are China Origin Factory of Structure Pipe and Tube. If you have any question, please feel free to contact us.

Product Categories : Structural Pipe

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