34CrNiMo6 30crnimo8 35crmnsia 40CrNiMoA 4340 4140 Alloy Precision Seamless Carbon Steel Pipe

Product Description

 

Detailed Photos

 

 

 

 
 

Product Name	Precision steel pipe
Standard	GB, BSEN, ASTM, DIN EN, JIS, ISO, KS
Type	Seamless
Technique	Cold Rolled
Material	Carbon steel, stainless steel, alloy steel
Outer Diameter	8-380mm ( Or customized according to customer requirements )
Wall Thickness	1-20mm ( Or customized according to customer requirements )
Length	6m,12m or as per customer's requirements
Tolerance	±0.1mm
Usage	Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Packing	In bundles tied with steel stripes
Payment Term	30%T/T Advance + 70% Balance
Delivery Time	Within 7-60 days after signing the contract or as your requirement
Delivery condition	Beveled or Plain end with varnish/2PP/2PE/3PE/3PP anticorrosive coatingas per clients confirmation ; With or without protecting caps as percustomer's requirements;with FBE internal coating for water steel pipes.
Material	A53(A,B),A106(A,B),Q345,16Mn, 10# 20#,45# S235JR, 1010,1020,1030,1040,1050,ASTMA252 Gr.2,Gr.3; ST37,ST42,ST52;Gr.B,X42,X46,X52,X56,X60,X65,X70, 4140 4120 4130 4142 35CrMo 42CrMo 1033 1320 1330 1527 1340 1345 20Mn 35Mn 40Mn 20Mn2 35Mn2 5115 5120 5135 5140 5145 5150 20Cr 30Cr 35Cr 40Cr 45Cr 5120  20CrMnTi 8620 20CrNiMo 4340 40CrNiMoA  52100 GCr15  27SiMn 9260 60Si2Mn 9255 55Si2Mn 6150 50CrVA 440C 9Cr18Mo 3140 3135 40CrNi etc
Usage	for petroleum/ natural gas pipeline , for conveying water,drainage,coal gas, mineral slurry and other low-middle pressure liquids. Also for chemical industry, building structure,heat-supply and pile driving projects.
Export to	Canada, USA, Argentina,Peru, Chile, Colombia, Brazil, Venezuela,Malaysia, Singapore, the Czech Republic, Australia, Myanmar, Kenya, South Africa, Spain, Italy, France, England, the Netherlands,Belgium, etc
Certificates	ISO9001: 2008, CE, FPC, CPR (89/106/EEC), PED (97/23/EC), API 5CT, API 5L

Chemical composition(%) of precision pipe's commin grade

Standard	Grade	C	Si	Mn	s	p	Cr
GB/T 699 GB/T 3639 GB3077 GB/T1591 GB/T 8163-2018	10#	0.07~0.13	0.17~0.37	0.35~0.65	≤0.035	≤0.035	\
	20#	0.17~0.23	0.17~0.37	0.35~0.65	≤0.035	≤0.035	\
	35#	0.32~0.39	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	\
	40Cr	0.37~0.44	0.17~0.37	0.50~0.80	≤0.035	≤0.035	0.08~1.10
	25Mn	0.22~0.29	0.17~0.37	0.70~1.00	≤0.035	≤0.035	≤0.25
	Q345B	≤0.20	≤o.50	≤1.7	≤0.035	≤0.035	≤0.3
	37Mn5	0.30~0.39	0.15~0.30	1.20~1.50	≤0.015	≤0.020	\

Conventional mechanical properties of precision pipe

Standard	Grade	Delivery Conditions
		BK(hard)		BKW(soft)
		Tensil Stength(MPa)	Make percentage elongation(%)	Tensile stength(MPa)	Make percentage elongation(%)
GB/T 3639 GB 3077	20#	≥550	≥10	≥490	≥15
	25Mn	≥600	≥12	≥540	≥15
	Q345B	≥620	≥12	≥550	≥15
	45#	≥645	≥8	≥625	≥15
	40Cr	≥784	≥14	\	\
	37Mn5	≥784	≥14	\	\

Dimensional tolerances of inner diameter
 

Thickness±10%   (smallest±0.12mm)
		0.5	-0.8	1	-1.2	1.5	-1.8	2
outer diameter		Inner diameter (nominal value and allowable deviation)
Size	Allowable deviation
4	±0.10	3±0.30	2.4±0.30	2±0.30
6		5±0.25	4.4±0.25	4±0.25	3.6±0.30
8		7±0.20	6.4±0.20	6±0.20	5.6±0.30	5±0.30	4.4±0.35	4±0.35
10		9±0.15	8.4±0.15	8±0.20	7.6±0.25	7±0.25	6.4±0.30	6±0.30
12		11±0.15	l0.4±0.15	10±0.15	9.6±0,20	9±0.20	8.4±0.25	8±0.25
14		13±0.10	12.4±0.10	12±0.10	11.6±0.15	11±0.15	10.4±0.20	10±0.20
16		15±0.10	14.4±0.10	14±0.10	13.6±0.10	13±0.10	12.4±0.15	12±0.15
25		24±0.10	23.4±0.10	23±0.10	22.6±0.10	22±0.10	21.4±0.10	21±0.10
-26		25±0.10	24.4±0.10	24±0.10	23.6±0.10	23±0.10	22.4±0.10	22±0.10
28		27±0.10	26.4±0.10	26±0.10	25.6±0.10	25±0.10	24.4±0.10	24±0.10
30		29±0.10	28.4±0.10	28±0.10	27.6±0.10	27±0.10	26.4±0.10	26±0.10
35		34±0.15	33.4±0.15	33±0.15	32.6±0.15	32±0.15	31.4±0.15	3l±0.15
38		37±0.15	36.4±0.15	36±0.15	35.6±0.15	35±0.15	34.4±0.15	34±0.15
40		39±0.15	38.4±0.15	38±0.15	37.6±0.15	37±0.15	36.4±0.15	36±0.15
45				43±0.20	42.6±0.20	42±0.20	41.4±0.20	41±0.20
50				48±0.20	47.6±0.20	47±0.20	46.4±0.20	46±0.20
55	±0.25			53±0.25	52.6±0.25	52±0.25	51.4±0.25	5l±0.25
60				58±0.25	57.6±0.25	57±0.25	56.4±0.25	56±0.25
70				68±0.30	67.6±0.30	67±0.30	66.4±0.30	66±0.30
76	±0.35			74±0.35	73.6±0.35	73±0.35	72.4±0.35	72±0.35
80				78±0.35	77.6±0.35	77±0.35	76.4±0.35	76±0.35
90	±0.40					87±0.40	86.4±0.40	86±0.40
100	±0.45						96.4±0.45	96±0.45
110	±0.50							106±0.50
120								116±0.50
150	±0.75
180	±0.90
200	±1.0

 

 

 

 

Quality first: production and inspection in strict accordance with production standards;
Price advantage: discounts based on real market prices;
Transaction security: There will be no loss of customer funds;
After-sales guarantee: the customer's problem is our problem;
Long-term cooperation: quality assurance, price advantage, sincere service can last for a long time.

Process flow

Quality inspection

 

 

Clients

 

Company Profile

Our company is a collection of R & D, production, management as one of the group company, the company and subsidiaries mainly produce carbon steel series, stainless steel series, galvanized series, aluminum series and PPGI, PPGL series and other products of modern enterprises. The company covers an area of 36,000 square meters and employs more than 500 people. The leading products are seamless steel pipe, carbon steel bar, color coated plate and aluminum foil, which are famous brand products in Shandong Province. Hanbang Brand is a well-known brand in China. The company won the seventh Mayor Quality Award. It is the single champion enterprise in Shandong Province, the quality benchmark enterprise in Shandong Province, the national contract-abiding and credit-keeping enterprise, and the national "Architectural Decoration color Steel Plate" and other 16 national, industrial and group standards. Prepare the units. Products are exported to Russia, Canada, Australia, Africa, South America, Southeast Asia and other more than 40 countries and regions.

Factory Introduction

The mechanical engineering workshops of our factory are all equipped with numerical central control ,Our factory has been constantly improving the platform construction, improving the quality of technical team,strengthening the invention of products category, formed complete R & D system and production quality management system, wined high reputation in the iron and steel industry.

Packaging & Shipping

    1. wood pallet packing cover with water-proof paper
    2. steel pallet packing cover with water-proof paper
    3. wood box packing
    4. steel pallet packing cover with steel box
    5. in bundles with steel strip no extra packing
    6. packaged as customers' requirments.

FAQ

1. Q: Are you a manufacturer?
A:Yes, we are manufacturers. We have our own factory and our own company. I believe we will be the
most suitable supplier for you.
2. Q: Can we visit your factory?
A: Sure, we welcome you to visit our factory , check our production lines and know more about our strength and quality.
3. Q: Do you have quality control system?
A: Yes, we have ISO, BV, MTC, certifications and our own quality control laboratory.Third party testing services are also available.
4. Q: Can you arrange the shipment for us?
A: Yes, we have designated sea freight and railway freight forwarders with decades of experiences and we get the best price with earlist vessel and professional service.
5. Q: How long is your delivery time?
A: Generally it is 7days if we have the exact goods in our stock. If not, it will take around 15-20 days to get goods ready for delivery.
6. Q: Can I get some samples?
A: We are glad to provide free samples to you, but we do not offer the freight.
7. Q: What is your after-sale service?
A: We provide after-sale service and offer 100% guarantee on our products.
8. Q: What is your MOQ?
A: 1Ton