Alloy seamless steel tube/cold rolled/hot rolled/cold drawn/high precision bright round tube
Product Description
Seamless steel pipe is a metal material with a yield phenomenon. The stress at which the sample can continue to elong without increasing the force during the stretching process is called the yield point. If the force drops, the upper and lower yield points should be distinguished. The unit of yield point is N/mm2 (MPa).
The upper yield point (σsu) of the seamless steel pipe: the maximum stress before the sample yields and the force drops for the first time;
the lower yield point (σsl): the minimum stress in the yield stage when the initial transient effect is not taken into account.
seamless steel pipe
The calculation formula of the yield point of seamless steel pipe is:
In the formula: Fs--yield force (constant) during the tensile process of the specimen, N (Newton) So--the original cross-sectional area of the specimen, mm2.
Elongation of seamless steel pipe after breaking (σ)
In the tensile test, the percentage of the length of the gauge length increased after the sample is broken to the original gauge length is called the elongation. Expressed by σ, the unit is %. The calculation formula is:
In the formula: L1-the gauge length of the specimen after it is broken, mm; L0-the original gauge length of the specimen, in mm.
Reduction of area of seamless steel pipe (ψ)
In the tensile test, the percentage of the maximum reduction of the cross-sectional area at the reduced diameter of the sample after the sample is broken to the original cross-sectional area is called the reduction of area. Expressed in ψ, the unit is %.
In the formula: S0-the original cross-sectional area of the sample, mm2; S1-the minimum cross-sectional area at the reduced diameter of the sample after it is broken, mm2
product name | Cold drawn seamless steel pipe |
standard | GB, JIS, DIN, ASTM, bs, GB 18248-2000, JIS G3463-2006 |
Material | 10#.20#.45#15Mn.20Mn.45Mn.30Mn2 q235 A106 |
packing | 1.Wrapped in waterproof paper of steel pipe tube 2.Sackcloth with several steel strips of steel pipe tube 3.Cover cap of steelpipe tube 4. Wooden case of steel pipe tube |
size | OD 3-300MM wall thickness: 1-30MM |
suface | 1. PVC, black and paint 2. Transparent oil and rust-proof oil 3. According to customer requirements |
MOQ | 1TONS |
Trade | T/T, 100% L/C at sight, Cash, Western Union are all accepted if you have other payment,please contact me |
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FAQ:
Q1: ARE YOU FACTORY OR TRADER?
A1: Wuxi Silaishi Special Steel Co.,Ltd is a manufacturer of steel pipe and tube since 2010. We've gained our Export Right and become an integrated company of industry and trade in order to satisfy buyer's multi-request on different material and products.
Q2: WHICH MATERIAL/PRODUCTS YOU CAN PROVIDE?
A2: Seamless Stainless Steel Pipe / Tube, Seamless Carbon Stainless Steel Pipe /Tube,Galvanized Steel Tube witn any Shape and Welded pipes can also be available
Q3: HOW TO GET A SAMPLE?
A3: FREE samples are available for your checking and testing. And to get free samples, you need to send us you detailed receiving address (including post code) and your DHL/FedEx/UPS account for collecting samples, courier cost will be paid in your side.
Q4. CAN YOU PRODUCE THE PRODUCTS ACCORDING TO MY OWN DRAWINGS?
A4: Yes, we can produce the products according to your drawings that will be most satisfy you.
Q5: HOW TO VISIT YOUR FACTORY? A5.
Flights to Jinan are available from most major cities; You can take a plane to Jinan Yaoqiang Airport.
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