IATF16949 Certified Performance Shock Absorber (DOM) Steel Pipe/Tube

• Customization: Available
• After-sales Service: 1 Year
• Warranty: 1 Year
• Model NO.: en10305 A519 GB3639 seamless Steel
• Type: Seamless
• Technique: Cold Drawn
• Material: Carbon Steel
• Surface Treatment: Oiled
• Usage: Hydraulic/Automobile Pipe, Machinery Industry, Special Purpose
• Section Shape: Round
• IATF16949: Yes
• Aoto Parts: Roll Cagae, Shock Absorber, Bushing
• Motorcycle Parts: Frame, Steering Column
• Mechanical Structure Pipe: Piston Pin
• Transport Package: Bundle or Woven Packaging
• Specification: 15-75
• Trademark: bluesky pipe
• Origin: China
• HS Code: 7304319000
• Production Capacity: 50000 Ton/Year

Product Description

Company Profile

Fujian Bluesky Pipe Manufacturing Co., Ltd., with a legacy dating back to its former identity as Zhejiang Bluesky Steel Pipe Manufacturing Co., Ltd., embarked on a transformative journey by relocating to Wendu Industrial Zone, Fuding in 2013. The company now boasts an expansive operational footprint covering 26,600 square meters,with aconstruction area of 11,800 square meters. It has been an esteemed leader in the manufacturing of seamless steel tubes and pipes for over three decades.

Product Description

The process of manufacturing shock absorbers usually starts with selecting high-quality raw materials. The type of raw materials used can significantly affect the performance and lifespan of shock absorbers. Carbon steel seamless steel pipes and alloy seamless steel pipes are commonly used in the production of shock absorbers.These raw materials will undergo a series of processing steps. At these stages, accuracy is crucial to ensure that each component meets the precise specifications required to achieve optimal performance.

 

GRADE	chemical composition%
	C	Si	Mn	Cr	Ni	Mo	Gu	P	S
20#	0.17~0.23	0.17~0.37	0.35~0.65	≤0.25	≤0.30	----	≤0.20	≤0.035	≤0.035
45#	0.42~0.50	0.17~0.37	0.50~0.80	≤0.25	≤0.30	----	≤0.20	≤0.035	≤0.035
40Cr	0.37~0.44	0.17~0.37	0.50~0.80	0.80~1.10	≤0.30	≤0.1	≤0.20	≤0.030	≤0.030
40Mn2	0.37~0.44	0.17~0.37	1.40~1.80	≤0.30	≤0.30	≤0.1	≤0.20	≤0.030	≤0.030
37Mn	0.30~0.39	0.15~0.30	1.20~1.50	≤0.35	≤0.30	≤0.1	≤0.20	≤0.020	≤0.015

 

GRADE	CONDITION
	+C		+LC		+SR			+A		+N			HRC
	Rm	A%	Rm	A%	Rm	Rel	A%	Rm	A%	Rm	Rel	A%
	≤
20#	550	5	520	8	520	375	12	390	21	410	245	25	----
45#	645	8	----	----	----	----	----	590	14	600	355	16	----
40Cr	780	10	----	----	----	----	----	----	----	----	----	----	22~30
40Mn2	780	10	----	----	----	----	----	----	----	----	----	----	22~30
37Mn5	780	12	----	----	----	----	----	----	----	----	----	----	20~27

OD * ID	Allowable deviation of outer diameter	Allowable deviation of inner diameter
18*16       22*20     22.5*20  24*21  39.5*36	0/+0.1	0/+0.039
24*20       24*22     30*28   32*30
26.2*18    27.2*18   28.2*22.7	±0.05	±0.05
30.2*25    31.2*24		±0.1
27.2*19    30.2*24   33.2*24   33.2*28   35.2*28   35.2*31    37.2*32     37.3*33		-0.15/-0.05
37.5*32     41.5*37		+0.05/+0.15
26.2*19     26.2*20   30.2*26   32.2*24     37.2*31   41.2*35.8		-0.25/-0.05
30.35*24     37.35*31	-0.1/0

Equivalent Material referance:
GB	TOCT	ASTM	BS	JIS	NF	DIN
20	20	1020	050A20	S20C	XC18	C22,CK22
45	45	1045	080M46	S45C	XC45	C45,CK45
40Cr		5140	41Cr4	SCR440	41Cr4/38Cr4	41Cr4/42Cr4
40Mn2		1340		SMn438		42Mn6
37Mn5

Processing	Cold rolled/ Cold drawn
	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.
Packing	Woven bag/ Wooden or crate carton/ Bundle Packing/ Plain end or vanished as per  customer's request.
Delivery time	Normally 30-40 working days

FAQ

Q: Are you trading company or manufacturer?
A: We are professional manufacturer for steel pipes,and our company also is a very professional and technical foreign trade company for steel products. We have more export experience with competitive price and best after-sales service. Apart from this,we can provide a wide range of steel products to meet the requirement of customer.

Q:Will you delivery the goods on time?
A: Yes,we promise to provide best quality products and delivery on time no matter if the price change lot or not. Honesty is our company's tenet.

Q: Do you provide samples ? is it free or extra?
A: The sample could can provide for customer with free,but the freight will be covered by customer account. The sample freight will be returned to customer account after we cooperate.

Q: How can I get your quotation as soon as possible?
A: The email and fax will be checked within 24 hours,meanwhile,Wechat and WhatsApp will be online in 24 hours. Please send us your requirement and order information,specification(Steel grade,size,quantity,destination port),we will work out a best price soon.

Q: Do you have any certifications?
A: Yes,that's what we guarantee to our clients. we have IS09000,IATF16949 certinicate,ISO 14001 certificates etc.Our products are of high quality and we have professional engineers and development team.

Q: What is your terms of payment?
A:Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipmenit or paid against copy of B/L within 5 working days. 100% Irrevocable L/C at sight is favorable payment term as well.

Q: Do you accept the third party inspection?
A: Yes absolutely we accept