DIN 1629 2448 St52 St44 Seamless Steel Pipe, St52 S355j2h Steel Pipe

• Customization: Available
• After-sales Service: Support
• Warranty: 1 Year
• Model NO.: DIN 1629 St52 EN 10305 E355
• Type: Seamless
• Technique: Cold Drawn
• Material: Alloy Steel
• Surface Treatment: Varnishing
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Round
• Product Name: Seamless Steel Pipe
• Standards: ASTM/ASME/DIN/En
• Payment: T/T, L/C
• Package: as Standard
• Transport Package: by Sea
• Specification: 10-910mm
• Trademark: Boer King
• Origin: Tianjin China
• HS Code: 730419
• Production Capacity: 10000 Tons/Year

Product Description

Congratulations you find us the best supplier ↓
We do care: 
                   --Good Quality
                       --On-time Delivery
                          --Competitive Price
                             --Efficient After Service 
 

Why you choose us?

1. more than 20 years experiences in steel business

2. good quality

3. competitive price

4. meet your needs via reprocessing

5. excellent service

6. short delivery time

7. long mutual beneficial business cooperation

Product description
 

EN10305 hydraulic seamless steel tube inside and outside the wall without oxidation layer, under high pressure, no leakage, high precision, high finish, cold bending deformation, flaring, flattening without cracks, surface antirust processing, widely used in the hydraulic system in steel tube, and injection molding machine with a steel tube, hydraulic press with steel, ship system with steel tube, EVA foam hydraulic machinery, precision hydraulic steel pipe cutting machine, shoe-making machinery, hydraulic equipment, high pressure tubing, hydraulic tubing, card sets of joints, pipe joints, rubber machinery, forging machinery, casting machinery, engineering machinery, automotive high pressure steel pipe concrete pump, sanitation vehicle, automobile industry, shipbuilding industry.

Chemical Composition and Mechanical Performance:

Table 1- Chemical composition
Steel Grade	C%	Si%	Mn%	P%	S%	AL%
E215	≤0.10	≤0.05	≤0.7	≤0.025	≤0.025	≥0.025
E235	≤0.17	≤0.35	0.4-1.2	≤0.025	≤0.025
E255	≤0.21	≤0.35	0.4-1.1	≤0.025	≤0.025
E355	≤0.22	≤0.55	≤1.6	≤0.025	≤0.025

 

Table 2 - Mechanical properties at room temperature
Delivery Condition	BK		BKW		GBK		NBK (N)
Steel Grade	Rm	A %	Rm	A %	Rm	A %	Rm	ReH	A %
	Mpa (Min)	(Min)	Mpa(Min)	(Min)	Mpa(Min)	(Min)	Mpa(Min)	Mpa(Min)	(Min)
E215	430	8	380	12	280	30	290~430	215	30
E235	480	6	420	10	315	25	340~480	235	25
E255	580	5	520	8	390	21	440~570	255	21
E355	640	4	580	7	450	22	490~630	355	22

 Other Specification:

End Shape	Beveled end, plain end, vanished, or adding plastic caps to protect the two ends  as per customer's  requirements
Surface  Treatment	Oiled, Galvanized, Phosphate etc
Technique	Cold drawn & cold rolled
Application	1. Automotive and mechanical pipes
	2. Petroleum cracking pipes
	3. High Pressure Boiler Pipe
	4. Low and middle pressure fluid transportation pipeline
	5. Chemical fertilizer equipment pipes
	6. Heat exchanger pipes
Delivery  Conditions	1. BK (+C)	No heat treatment after last cold forming process.
	2. BKW (+LC)	After last heat treatment there is a light finishing pass (cold drawing)
	3. BKS (+SR)	After the final cold forming process the tubes are stress relieve annealed.
	4. GBK (+A)	After the final cold forming process the tubes are annealed in a controlled atmosphere.
	5. NBK (+N)	After the final cold forming process the tubes are annealed above the upper transformation  point in a controlled atmosphere.
Package	1. Bundle Packing.
	2. Plain end or vanished as per customer's request.
	3. Wrapped in waterproof paper.
	4. Sackcloth with several steel strips.
	5. Pack in heavy tri-wall boxes.

  Carbon steel precision st45 cold drawn seamless steel pipe&tube

2.Specifiation:

Standard	Carbon steel precision st45 cold drawn seamless steel pipe&tube
Grade	ST35(E235), ST37, ST24(E255), ST52(E355), 10#, 20#, 35#, 45#
O.D.	30MM-400MM
W.T.	2-30mm
Surface Treatment	Polished , cold drawn , cold rolled, honed, anneal, Srb , od polished
Packing	1. bundle packing 2. marking as per customer's requests 3. paint on the pipe as per customer request 4. pipe caps as customer request
Condirion of Delivery	1. NBK(+N) after cold forming, eventually above phase transition point, in a protective atmosphere of annealing oxidation medium 2. GBK(+A) after cold forming, annealing in non oxidizing medium protective gas 3. BK(+C) the final heat treatment after cold forming, threfore small steel pipe plasticly, the plasticly degree does not guarantee

Standard specifications and steel grades of precision tubes can be DIN 2391-2 ST35,ST45,ST52, EN 10305-1 E195,E235,E355,C35E,C45E,25CrMo4,42CrMo4.  

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Company information 

     Tianjin Boer King Steel is a  professional  trading company and has been in steel industry for more than 15years, specializing in seamless steel pipe,oil casing/drill pipe, galvanized steel pipe, stainless steel pipe,ERW/SSAW/LSAW/ welded pipe.

      Also we sale hot and cold rolled steel coils,steel plates,galvanized steel coils, all kinds of profiles like H-beam, Angel bar,C profile etc.

      We have established long term cooperations with several famous steel manufactures all over the world, and we can offer you best quality products with competitive price which will give you an edge over your competitors.

      Besides, we offer best service all the time.We will do our best to satisfy you needs for the products. Our products have been sold in many countries and areas of the world including South America, Iran, Kenya, Israel etc, and our export volume reaches 160,000tons per year.
 
      We execute quality gurantee system ISO 9001,2008 strictly and all certicates and the third party inspection like MTC,API,ABS,ISO9001,SGS BV etc. will be provided as client's requirements.


FAQ

Q1:How about the quality?
A:Third party inspections are always welcomed, like TUV, BV, SGS.   All of the goods will be released together with MTC and stamped by TPI. 

Q2: Can you accept customization?
A: Yes.we can do customization for you.

Q3: Do you provide samples? Free or not?
A: Yes, we could offer the sample for free but do not pay the cost of freight.

Q4: How long is the delivery time?
A: Generally about 5-10 days if the goods in stock. Or will be 15-30 days if not in stock.

Q5: How about the trade terms?
A: EXW, FOB, CFR, CIF, LC will be accepted.

Contact: James Wang
Tianjin Boer King Steel IMP&EXP Co.,Ltd
Add: No.602,Shuanggang Development Zone,Tianjin,300350 China.
Web: http://boerkingsteel.en.made-in-china.com