Name: Precision ST52 Hollow Round Bar Hard Chrome Plated Rod ISO9001 Approved
Brand: chunfa
Price: 1 USD

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Precision ST52 Hollow Round Bar Hard Chrome Plated Rod ISO9001 Approved

Brand Name:chunfa

Certification:ISO9001:2008

Minimum Order Quantity:1 ton

Delivery Time:30days

Payment Terms:L/C, T/T

Place of Origin:China

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Wuxi Chunfa Hydraulic Machinery Co., Ltd.

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Location: Wuxi Jiangsu China

Address: No. 13-3, Tianshun Road, Lu District, Yangshan Town, Wuxi City, Jiangsu Province

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Product Details Company Profile

Product Details

Precision ST52 Hollow Round Bar Hard Chrome Plated Rod Tempered With ISO9001:2008

Product Name:	Hollow Round Bar	Standard Length:	1000mm - 8000mm
Diameter:	6mm - 1000mm	Yield Strength:	Not Less Than 355 N/MM2
Straightness:	Not More Than 0.2 MM/M	Surface Hardness:	850-1150 HV (vickers 100g)
High Light:	hollow steel tube , hollow steel bar

Precision ST52 Hollow Round Bar Tempered with ISO9001:2008

Detailed Product Description

1. Material: CK45, ST52, 20MnV6, 42CrMo4, 40Cr
2. ISO9001:2008
3. Complete manufactured equipment
4. Condition: Chrome plated, Quenched / Tempered, Induction hardened, Q / T Induction hardened
5. Application: Mining machinery industry, textile / printing industry and so on

Detailed Description
1.CHEMICAL COMPOSITION

Material	C%	Mn%	Si%	S%	P%	V%	Cr%
Ck45	0.42-0.50	0.50-0.80	0.04	0.035	0.035
ST52	0.22	1.6	0.55	0.035	0.04
20MnV6	0.16-0.22	1.30-1.70	0.10-0.50	0.035	0.035	0.10-0.20
42CrMo4	0.38-0.45	0.60-0.90	0.15-0.40	0.03	0.03		0.90-1.20
40Cr	0.37-0.45	0.50-0.80	0.17-0.37				0.80-1.10

2.MECHANCIAL PROPERTIES

Material	T.S N/MM2	Y.S N/MM2	E%(MIN)	CHARPY	CONDITION
CK45	610	355	15	>41J	NORMALIZE
CK45	800	630	20	>41J	Q + T
ST52	500	355	22		NORMALIZE
20MnV6	750	590	12	>40J	NORMALIZE
42CrMo4	980	850	14	>47J	Q + T
40Cr	1000	800	10		Q + T

3. SUPPLY CONDITION
Ground and chrome plated
4. CHROME THICKNESS
20 to 30 micron
5. SURFACE ROUGHNESS
Ra≤0.2 micron and Rt≤2 micro
6. TOLERANCES ON DIA
ISO f7 on the diameter
7.OVALITY
Half of the tolerance ISO f7
8. STRAIGHTNESS
≤0.2MM/M
9. SURFACE HARDNESS
850-1150HV (vickers 100g)
10.COHESION
No cracks,breaking or detaching after thermic shock(warming up at 300 celsius degrees and cooling
in water)
11 .POROSITY
Test according to ISO 1456/1458 and result yaluation according to ISO 4540 rating 8-10
12 CORROSION RESISTANCE
Test in natural salt spray according to ASTM B 117-72hours
Results evaluation according to ISO 4540 RATING 7-10
13. WELDABILITY
Good
14. PACKING
Anti rust oil to be applied on material and each rod to be packed in paper sleeve
15. CERTIFICATE
All certificate related with material heat treatment and plating is required

We imported one continous chrome plating line from Italy at the beginning of 2016. With this new chrome plating line, we will improve efficiency and product quality a lot.The new chrome plating line is the first one in China and will be the only one in the next five years!

Company Profile

Wuxi Chunfa Hydraulic and Pneumatic Machinery Co., Ltd. is a modern enterprise integrating scientific research, production and marketing. It is located on the shore of the beautiful Taihu Lake in Yangshan Town, Wuxi City, which enjoys the reputation of "Hometown of Peach".

Our factory specializes in the production of honing cylinder barrels (honing tubes) and precision slender shafts. They are manufactured using advanced processes of cold precision drawing, precision grinding and high-precision polishing. All technical indicators have reached standards and can be directly used in oil cylinders and cylinder pistons. Rods, guide rods, guide posts, guide shafts, and are widely used in textile machinery, mining machinery, machine tools, automobiles and other industries. At the same time, our factory also manufactures related mechanical and electronic instrument products for the power system and natural gas industries.

The company's main products:

one. Inner diameter Φ32-Φ700 mm, wall thickness 2-50mm, length 13000mm or less, cold drawing, honing and machining of hydraulic cylinder blocks and cylinder blocks. This product is suitable for hydraulic cylinders, cylinders, petrochemical pumps, coal mine support, engineering machinery, and overweight transportation. Machinery, automobile transmission shafts, plastic machinery and other industries;

two. Precision slender shaft and piston rod with outer diameter Φ6-Φ200mm and length within 9000mm. This product is suitable for dry hydraulic cylinders, cylinders, shock absorbers, textile printing and dyeing, printing machine guide rods, die-casting machines, injection molding machine guide rod ejector rods, four-column hydraulic machine guide rods and office equipment and other industries.

The company insists on winning the market with excellent products and perfect services. Unremittingly implement the corporate work policy of "Talent as the foundation, quality as the guarantee, science and technology as the foundation, and brand as the goal"; implement modern management and provide customers with assured and satisfactory high-quality products to better enhance reputation and More complete services to meet users' higher requirements. Welcome to the factory and write to discuss business!

Chunfa is willing to be your forever friend and work with you to create success!