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ST52 / E355 Hydraulic Cylinder Steel Tube

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ST52 / E355 Hydraulic Cylinder Steel Tube

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Brand Name :	New Era
Model Number :	DIN2391
Certification :	ISO9001,TS16949
Price :	Negotiation
Payment Terms :	T/T
Supply Ability :	3000 tons/month
Delivery Time :	45 days

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ST52 / E355 Hydraulic Cylinder Steel Tube

Hydraulic Parts Using ST52 Round Tube Cylinder Seamless Steel Pipes and Tubes

Material: ST35, ST45, ST52
Size Range: OD: 6-228mm, WT: 1-30mm, Length: 5.8m/6m, maximal 11.8m
Delivery Condition: BK, BKW, BKS, GBK, NBK
Application: For high precision purpose, auto industry, like manipulator, Shock Absorber, Transmission Shaft, Steering Gear, Car Frame, etc.

Stable Quality with Comeptitive Price.
NBK(Bright Annealing) Heat Treatment, Surface is clean and smooth, without oxide scale
Good Extending and Bending Ability.

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 or Cold Rolling, On line inspection
5. Heat Treatment:BKS, GBK, NBK
6. Straightening/Cutting to specified length/Finished Measuring Inspection
7. Quality Testing in own lab with Tensile Strength, Yield Strength, Elongation, Hardness, Straightness, etc.
8. Packing and Stocking.

100% Eddy Current Testing.
100% Size Tolerance Checking.
100% Tube surface checking to avoid surface defects.

Product Name	ST52 Hydraulic Parts Round Tube Steel Pipe
Material	ST35, St45, ST52
Delivery Condition	BK, BKW, BKS, GBK, NBK
Standard	DIN2391
Size Range	OD: 6-228mm, WT: 1-30mm
Application	High precision purpose, auto parts, oil cylinder, etc
Round Billet	Bao Steel, Xingcheng Steel, Huai Steel, Zhongtian Steel
Keyword	DIN2391 Steel Tube
Certificate	TS16949, ISO 9001
HS code	7304319000
Delivery Time	45 days
Packing	Bundles or Wooden Boxes

Steel Grade		Chemical Composition
Symbol	Material Number	C Max.	Si Max.	Mn	P Max.	S Max.
ST35	1.0308	0.17	0.35	≥0.40	0.025	0.025
ST45	1.0408	0.21	0.35	≥0.40	0.025	0.025
ST52	1.0580	0.22	0.55	≤1.60	0.025	0.025

Steel Grade		BK		BKW		BKS
Name	No.	Rm Mpa	A %	Rm Mpa	A %	Rm Mpa	ReH Mpa	A %
ST35	1.0308	480	6	420	10	420	315	14
ST45	1.0408	580	5	520	8	520	375	12
ST52	1.0580	640	4	580	7	580	450	10

Steel Grade		GBK		NBK
Name	No.	Rm Mpa	A %	Rm Mpa	ReH Mpa	A %
ST35	1.0308	315	25	340--470	235	25
ST45	1.0408	390	21	440--570	255	21
ST52	1.0580	450	22	490--630	355	22

ST52 / E355 Hydraulic Cylinder Steel Tube

Seamless steel pipes have hollow sections and are widely used as pipelines for transporting fluids, such as oil, natural gas, coal gas, water and some solid materials Compared with solid steel such as round steel, steel pipe is lighter in weight when its bending and torsional strength are the same, and it is an economic section steel. It is widely used to manufacture structural parts and mechanical parts, such as petroleum drill pipes, automobile transmission shafts, bicycle racks and steel scaffolds used in building construction. It can improve the material utilization rate, simplify the manufacturing process, save materials and processing time, and has been widely manufactured with steel pipes.

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