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

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

Name: Smooth Oiled Surface Round Structural Steel Tubing Length 1 12m Gbt699
Brand: TORICH
Price: 900 USD

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

Brand Name : TORICH

Model Number : GB/T699

Certification : ISO9001, ISO14001, TS16949

Place of Origin : ZHEJIANG, CHINA

MOQ : 5Tons

Price : USD900-1500/Ton

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 2000Tons per Year

Delivery Time : 30-45 work days

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

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

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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

Steel Grade and Chemical Compositions:

Grade	C	Si	Mn	Cr	Ni	Cu
Grade	C	Si	Mn	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
...	...	...	..	...	...	...

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

Product Tags:

structural steel tubing

structural steel square tubing

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

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