St52 Honed Steel Tube for Hydraulic Cylinder

Basic Info

After-sales Service	Yes
Warranty	1 Year
Type	Welded
Technique	Cold Drawn
Material	Carbon Steel
Surface Treatment	Galvanized
Usage	Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Section Shape	Round
Price Term	CIF CFR Fob EXW
Transport Package	Wooden Box Packaging
Specification	12M, 6m, 6.4M
Trademark	ISO
Origin	China
HS Code	7303001000
Production Capacity	100000 Ton/Tons Per Month

Product Description

Inside Dia (mm)	ID Tolerance (mm)				WT Tolerance (mm)
	H7	H8	H9	H10
≤30	+0.021/0	+0.033/0	+0.052/0	+0.084/0	±7.5% >210mm ±10%
30 - ≤50	+0.025/0	+0.039/0	+0.062/0	+0.100/0
50 - ≤80	+0.030/0	+0.046/0	+0.074/0	+0.120/0
80 - ≤120	+0.035/0	+0.054/0	+0.087/0	+0.140/0
120 - ≤180	+0.040/0	+0.063/0	+0.100/0	+0.160/0
180 - ≤250	+0.046/0	+0.072/0	+0.115/0	+0.185/0

250 - ≤315	+0.052/0	+0.081/0	+0.130/0	+0.210/0	±7.5%>210mm ±10%
315 - ≤700	+0.057/0	+0.089/0	+0.140/0	+0.230/0

Steel Grade	Chemical composition %
	C	Si	Mn	P	S	Al
				≤		≥
20#	0.17-0.24	0.17-0.37	0.35-0.65	0.035	0.035	/
45#	0.42-0.50	0.17-0.37	0.50-0.80	0.035	0.035	/
Q345B	≤0.2	≤0.5	1.00-1.60	0.03	0.03	/
Q345D	≤0.2	≤0.5	1.00-1.60	0.03	0.03	0.015
25Mn	0.22-0.29	0.17-0.37	0.70-1.00	0.035	0.035	/
27SiMn	0.24-0.32	1.10-1.40	1.10-1.40	0.035	0.035	/
ST52	≤0.22	≤0.55	≤1.6	0.025	0.025	/
SAE1026	0.22-0.28	0.15-0.35	0.60-0.90	0.04	0.05	/

Delivery Condition	Cold Finished (hard) (BK)	Cold Drawn and Stress-Relieved (BK+S)
Steel Grade	Tensile Strength (Mpa)	Elongation (%)	Tensile Strength (Mpa)	Yield Strength (Mpa)	Elongation (%)
20#	≥550	≥8	≥520	≥375	≥15
45#	≥640	≥5	≥600	≥520	≥10
16Mn	≥640		≥600	≥520	≥14
25Mn	≥640		≥600	≥510	≥15
27SiMn	≥800		≥760	≥610	≥10
ST52	≥640		≥600	≥520	≥14
SAE1026	≥640		≥600	≥510	≥15

Honed Tube Specifications:

1.Steel grade: ST52.3, 1020, CK45, 4140 , E355,4130, Stainless Steel 304/316, Duplex 2205, Alloy Steel etc.2.ID: 15mm-1500mm3.OD:18mm-1800mm4.Length: max 16m5.Straightness: 0.5/1000 6.Roughness(Ra): 0.2-0.4um 7.ToleranceEXT:DIN2391,DIN17175,DIN1629,ASTM519,ASTMA106,JISG3441,GB/T8163,GB/T3639,GB9948,GB/T5312 etc.8.Tolerance INT: ISO H89.Surface treatment:galvanized10.Tolerance:±7%11.Oiled or unoiled:Slightly Oiled12.Delivery date:22-3013.Type: cold drawing, cold rolling, honed14.Conservation: anti rust oiled inside and outside surface, plastic caps in both ends15.Package: bundle with steel strip and knitting strip, or wooden case.

Company Profile

FAQ

Q1: Are You Manufacture or Trade Company?

We are manufacture,we have 10 years experience for supply Metal material and products in domestic.
Q2: How can we guarantee quality? Always a pre-production sample before mass production;Always final Inspection before shipment;Q3: What is your terms of payment ?
1.T/T: 30% deposit in advance, the balance 70% paid before shipment2.30% down payment, the balance 70% paid against L/C at sight3.Upon negotiationQ4: Can you provide Certificates for aluminum materials ? Yes,we can supply MTC-Material Test Certificate.Q5: Can you provide sample? Yes, we can provide you sample, but you need to pay for the sample and freight firstly. We will return the sample fee after you make an order.