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St45 / E255 Hydraulic Seamless Cold Drawn Steel Tube 80 - 256MM OD 1020 Steel Tubing

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St45 / E255 Hydraulic Seamless Cold Drawn Steel Tube 80 - 256MM OD 1020 Steel Tubing

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Brand Name :	New Era
Model Number :	DIN2391/EN10305-1/GB3639
Certification :	ISO9001,TS16949
Price :	Negotiation
Payment Terms :	T/T
Supply Ability :	3000 tons/month
Delivery Time :	45 days
MOQ :	5 tons

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St45 / E255 Hydraulic Seamless Cold Drawn Steel Tube 80 - 256MM OD 1020 Steel Tubing

Product Name: St45 / 1020 / E255 Hydraulic Cold Drawing Seamless Steel Pipe 80 - 256 MM OD Size with Stable Concentricity
Size Range: OD: 80-256mm, WT: 3-30mm, Length: 5.8m/6m, maximal 11.8m
Application: For precision purpose, auto industry, like manipulator, Shock Absorber, Transmission Shaft, Steering Gear, Car Frame, etc.

Hydraulic Cold Drawn on the seamless steel tubes, to reach high accuracy on the OD and WT tolerance

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	Hydraulic Cold Drawing Seamless Precision Steel Tube
Material	St45 / 1020 / E255 etc
Delivery Condition	BK, BKW, BKS, GBK, NBK
Standard	DIN2391/EN10305-1/GB3639/JIS G3445
Size Range	OD: 80-256mm, WT: 3-30mm
Application	Mechanical system
Round Billet	Bao Steel, Xingcheng Steel, Huai Steel, Zhongtian Steel
Keyword	Hydraulic Cold Drawing Steel Pipe
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

St45 / E255 Hydraulic Seamless Cold Drawn Steel Tube 80 - 256MM OD 1020 Steel Tubing

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St45 / E255 Hydraulic Seamless Cold Drawn Steel Tube 80 - 256MM OD 1020 Steel Tubing