High Precision Seamless Steel Tubes That Can Be Used as Hydraulic Cylinders/Shock Absorbers/Oil Pipes, According to American Standards ASTM A519

• Customization: Available
• After-sales Service: Free
• Warranty: Free
• Model NO.: OD 75mm(3in) under
• Type: Seamless
• Technique: Cold Drawn
• Material: Alloy Steel
• Surface Treatment: Oiled
• Usage: Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Special Purpose
• Section Shape: Round
• Od: 15-75mm
• Thickness: 1-20mm
• Customized: Yes
• Standard: ASTM A519 A513
• Transport Package: Bund
• Trademark: bluesky pipe
• Origin: China
• HS Code: 7304319000
• Production Capacity: 50000 Ton/Year

Product Description

Company Profile

Product Description

Introducing our Seamless Carbon and Alloy Steel Mechanical Tube/Pipe, meticulously crafted from premium-grade round steel through a hot rolling process. The tubes are then expertly engineered using advanced cold drawing or cold rolling technology, ensuring the inner and outer diameters seamlessly align with industry standards. To achieve the desired mechanical properties, these tubes and pipes undergo a sophisticated heat treatment process, guaranteeing exceptional performance, longevity, and unrivaled durability.

Our Seamless Carbon and Alloy Steel Mechanical Tube/Pipe offers versatile applications, making it the perfect choice for a wide range of industries, including automotive, motorcycle manufacturing, and construction machinery. Engineered for excellence, these tubes and pipes deliver unmatched reliability and outstanding performance across various demanding environments.

The ASTM A519 standard is primarily used to regulate the manufacturing and application of seamless carbon and alloy steel mechanical pipes. It is extensively utilized across numerous fields due to its robust specifications and reliable standards.

Application Area
Mechanical Engineering: The ASTM A519 standard is applicable to a wide array of mechanical engineering applications, including the fabrication of high-stress quenched and tempered parts, precision tools, and enduring bearings.

Automobile Manufacturing: Within the automobile manufacturing sector, the ASTM A519 standard is employed to create crucial body and engine components, ensuring the safety and stability of vehicles during operation.

Aerospace: In the aerospace sector, the ASTM A519 standard is utilized to manufacture aircraft components, ensuring optimal flight safety and structural integrity.

Architecture: In the architectural domain, the ASTM A519 standard is used to fabricate structural support components for building structures, guaranteeing the stability and durability of the construction.

Energy: Within the energy sector, the ASTM A519 standard is applicable for manufacturing essential components of various energy equipment, ensuring efficient and reliable energy production.

Military Industry: In the military industry, the ASTM A519 standard is employed to manufacture high-performance components for military products, ensuring unsurpassed reliability and strength.

Detailed Photos

 

Product Parameters

 

Chemical Requirements  for  Carbon and Alloy Steel
Grade	Carbon	Manganese	Phosphorus  max	Sulfur      max	Silicon	Chromium	Molybdenum
MT 1010	0.05-0.15	0.30-0.60	0.040	0.050	--	--	--
MT 1015	0.10-0.20	0.30-0.60	0.040	0.050	--	--	--
MT X  1015	0.10-0.20	0.60-0.90	0.040	0.050	--	--	--
MT  1020	0.15-0.25	0.30-0.60	0.040	0.050	--	--	--
MT  X  1020	0.15-0.25	0.70-1.00	0.040	0.050	--	--	--
1008	0.10max	0.30-0.50	0.040	0.050	--	--	--
1010	0.08-0.13	0.30-0.60	0.040	0.050	--	--	--
1015	0.13-0.18	0.30-0.60	0.040	0.050	--	--	--
1020	0.18-0.23	0.30-0.60	0.040	0.050	--	--	--
1025	0.22-0.28	0.30-0.60	0.040	0.050	--	--	--
1030	0.28-0.34	0.60-0.90	0.040	0.050	--	--	--
1035	0.32-0.38	0.60-0.90	0.040	0.050	--	--	--
1045	0.43-0.50	0.60-0.90	0.040	0.050	--	--	--
1518	0.15-0.21	1.10-1.40	0.040	0.050	--	--	--
1524	0.19-0.25	1.35-1.65	0.040	0.050	--	--	--
1541	0.36-0.44	1.35-1.65	0.040	0.050	--		--
1330	0.28-0.33	1.60-1.90	0.040	0.040	0.15-0.35	--	--
1335	0.33-0.38	1.60-1.90	0.040	0.040	0.15-0.35	--	----
4118	0.18-0.23	0.70-0.90	0.040	0.040	0.15-0.35	0.40-0.60	0.08-0.15
4130	0.28-0.33	0.40-0.60	0.040	0.040	0.15-0.35	0.80-1.10	0.15-0.25
4140	0.38-0.43	0.75-1.00	0.040	0.040	0.15-0.35	0.80-1.10	0.15-0.25
5115	0.13-0.18	0.70-0.90	0.040	0.040	0.15-0.35	0.70-0.90	--
5120	0.17-0.22	0.70-0.90	0.040	0.040	0.15-0.35	0.70-0.90	--
5140	0.38-0.43	0.70-0.90	0.040	0.040	0.15-0.35	0.70-0.90	--

 

Grade	Condition	Ultimate Strength(Mpa)	Yield Strength(Mpa)	Elongation(%)	Hardness HRB
1020	HR	345	221	25	55
	CW	483	413	5	75
	SR	448	345	10	72
	A	331	193	30	50
	N	379	234	22	60

Grade	Condition	Ultimate Strength(Mpa)	Yield Strength(Mpa)	Elongation(%)	Hardness HRB
1025	HR	379	241	25	60
	CW	517	448	5	80
	SR	483	379	8	75
	A	365	207	25	57
	N	379	248	22	60

Grade	Condition	Ultimate Strength(Mpa)	Yield Strength(Mpa)	Elongation(%)	Hardness HRB
1035	HR	448	276	20	72
	CW	586	517	5	88
	SR	517	448	8	80
	A	414	228	25	67
	N	448	276	20	72

Grade	Condition	Ultimate Strength(Mpa)	Yield Strength(Mpa)	Elongation(%)	Hardness HRB
1045	HR	517	310	15	80
	CW	621	552	5	90
	SR	552	483	8	85
	A	448	241	20	72
	N	517	331	15	80

Grade	Condition	Ultimate Strength(Mpa)	Yield Strength(Mpa)	Elongation(%)	Hardness HRB
1050	HR	552	345	10	85
	SR	565	483	6	86
	A	469	262	18	74
	N	538	345	12	82

Grade	Condition	Ultimate Strength(Mpa)	Yield Strength(Mpa)	Elongation(%)	Hardness HRB
1118	HR	345	241	25	55
	CW	517	414	5	80
	SR	483	379	8	75
	A	345	207	25	55
	N	379	241	20	60

Grade	Condition	Ultimate Strength(Mpa)	Yield Strength(Mpa)	Elongation(%)	Hardness HRB
1137	HR	483	276	20	75
	CW	552	448	5	85
	SR	517	414	8	80
	A	448	241	22	72
	N	483	296	15	75

Grade	Condition	Ultimate Strength(Mpa)	Yield Strength(Mpa)	Elongation(%)	Hardness HRB
4130	HR	621	483	20	89
	SR	724	586	10	95
	A	517	379	30	81
	N	621	414	20	89

Grade	Condition	Ultimate Strength(Mpa)	Yield Strength(Mpa)	Elongation(%)	Hardness HRB
4140	HR	855	621	15	100
	SR	855	689	10	100
	A	552	414	25	85
	N	855	621	20	100

Equivalent Material referance:
GB	TOCT	ASTM	BS	JIS	NF	DIN
10F		1010	040A10		XC10
10	10	10,101,012	045M10	S10C	XC10	C10,CK10
20	20	1020	050A20	S20C	XC18	C22,CK22
45	45	1045	080M46	S45C	XC45	C45,CK45
30CrMo	30XM	4130	1717COS110	SCM430	30CD4
42CrMo		4140	708A42	SCM440	42CD4	42CrMo4
			708M40
35CrMo	35XM	4135	708A37	SCM435	35CD4	34CrMo4

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

Our Advantages

With high precision density, our products meet stringent requirements with minimal or no processing, saving customers valuable materials and processing time.

 

We offer a vast array of molds in various sizes, reducing time and cost in mold development while supporting a minimum order quantity as low as 1 ton.

We support cutting pipes tailored to customer specifications, ensuring perfect fit and functionality.

 

We provide high-precision circular runout for small-diameter pipes, ensuring superior accuracy and performance.

 

 

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.