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Precision Dimension Mechanical Properties Tailored Seamless Steel Tubes and Pipe

FOB Price

USD $680 - $1,200 / Metric Ton

5 Metric Tons(Min.Order)

Supply Ability 3000 Metric Ton / Metric Tons per Month
Port FOB Tianjin
Payment Terms:T/T Credit Card

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Product Details

Thickness:	1, 10
Section Shape:	Round	Outer Diameter:	15 - 80 mm	Place of Origin:	Hebei, China
Secondary Or Not:	Non-secondary	Application:	Hydraulic Pipe	Technique:	Cold Rolled
Certification:	Other, ISO9001	Surface Treatment:	Other, oil protected	Special Pipe:	Thick Wall Pipe
Alloy Or Not:	Non-alloy

Product Description

Precision Dimension Mechanical Properties Tailored Seamless Steel Tubes and Pipe

OD15-80mm WT1-12mm

Scope: This standard defines the technical delivery conditions for seamless precision steel tubes according to DIN 2391 Part 1 which are made from the steel grades listed in section.

Shape: The tubes shall be furnished in the following shapes, as specified by the purchaser: round, square,rectangular and special sections.

Packing: Wrapped with polywoven bags, we use steel belt to pack the outside, polywooden cases or wooden boxes for thin wall thickness can be offered if required

Chemical Composition& Mechanical Properties(Type: Cold Drawn Seamless Mechanical/CDS)

Steel grade		Chemical composition, as a percentage by mass
Symbol	Material number	C max.	Si max.	Mn	P max.	S max.
St 30 Si	1.0211	0.10	0.30	<=0.55	0.025	0.025
St 30 Al	1.0212	0.10	0.05	<=0.55	0.025	0.025
St 35	1.0308	0.17	0.35	<=0.40	0.025	0.025
St 45	1.0408	0.21	0.35	<=0.40	0.025	0.025
St 52	1.0580	0.22	0.55	<=1.60	0.025	0.025
The following alloying elements may be added: Nb: <=0,03%; Ti: <=0,03%; V: <=0,05%; Nb + Ti + V: <=0,05%.

Final supply conditions

Designation	Symbol	Description
Cold finished (hard)	BK	Tubes do not undergo heat treatment following the final cold forming and, thus, have a rather high resistance to deformation.
Cold finished (soft)	BKW	The final heat treatment is followed by cold drawing involving limited deformation. Appropriate further processing allows a certain degree of cold forming (e.g. bending, expanding).
Cold finished and stress-relieved	BKS	Heat treatment is applied following the last cold forming process. Subject to appropriate processing conditions, the increase in the residual stresses involved enables both forming and machining to a certain degree.
Annealed	GBK	The last cold forming process is followed by annealing in a controlled atmosphere.
Normalized	NBK	The last cold forming process is followed by annealing above the upper transformation point in a controlled atmosphere.

Special needs for mechinical properties are welcomed.

1.tensile strength

2.yeild strength

3.elongation

4.hardness

5.grain structure-----------------

Please feel free to mention when inquire.

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FAQ

1. How long will it take to produce an order?
It is within 30days for order and 10days for the sample.

2. What is your minimum order?
Usually 5 ton for each size

3. What form of quotation do you offer?
FOB Tianjin, CIF and CNF Your destination

4. What is your payment term?
Payment is 30% deposit, 70% before shipment

5. Does the sample for free or not?
The samples are free if they are common sizes, You need to pay for the freight .

6.How about the Third Party Inspection ?
We have been working with DNV,TUV,SGS,BV,CO,Lloyd's etc;

Contact Us

Hebei Province Gold Mysterious Pipe Co., Ltd.: Contact nameKenny Cheng; Phone86-312-6721288; Address(Opposite To Power Supply Station) North Side Of Pangkou Market, Gaoyang County

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Precision Dimension Mechanical Properties Tailored Seamless Steel Tubes and Pipe

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