St52, Q345b, Ck20, Ck45, SAE1026, Seamless Steel Pipe

• Type: Seamless
• Technique: Hot Rolled
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Pipeline Transport, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Construction & Decoration, Special Purpose
• Section Shape: Round
• Model NO.: seamless pipe
• Inspection: NDT Test( X-ray Test, U.T, E.T ), Hydraulic Test
• Technology: Cold Drawn, Cold Rolled
• Coating: Black/Varnish/Oiling/Fbe/3PE/3PP
• Standard: ASTM, AISI, JIS, DIN, En
• Certificate: ISO, BV, API
• Shipment: Container or Bulk Vessel
• Grade: A500 Gr. a/B/X42 /X52/Q235/Q345/S355
• Ends: Plain Ends,Bevel End,Threaded End
• Transport Package: Bundled; with Steel Strip; PVC Bag
• Specification: 26.7~660mm
• Trademark: EZS
• Origin: China
• HS Code: 7306
• Production Capacity: 50000ton/Year

Product Description

Product Description
ST52, Q345B, CK20, CK45, SAE1026, Seamless Steel Tube/Pipe Carbon (Machanical and Hydraulic)

Outer diameter: 25mm -500mm 

Wall thickness: 2-50mm

Material: ST52, Q345B, CK20, CK45, SAE1026

Standard: GB/T8713-88, GB/T3639-2009, DIN2391, EN10305

Cold Drawn Tube can be produced according to the demands of costumers that the degree of precision can reach H9/H11.
Material & Chemical Composition
 DIN2391 standard ST52, EN10305 standard E355, 16Mn, ASTM A106B, C20/20#, CK45
 

Material	C	Si	Mn	S(≤)	P(≤)	Cr	Ni	Mo	other
A106B / C20#	0.17-0.23	0.17-0.37	0.35-0.65	0.035	0.035	≤0.25	≤0.30		Cu≤0.25
CK45#	0.42-0.50	0.17-0.37	0.50-0.80	0.035	0.035	≤0.25	≤0.30		Cu≤0.25
Q345B	≤0.20	≤0.55	1.00-1.60	0.040	0.040	V:0.02-0.15	Nb:0.015-0.06	Ti:0.02-0.20	Alt≥0.015
ST52 E355 16Mn	≤0.20	≤0.55	1.00-1.60	0.045	0.045	V:0.02-0.15	Nb:0.015-0.06	Ti:0.02-0.20	16Mn
25Mn	0.22-0.30	0.17-0.37	0.70-1.00	0.035	0.035	≤0.25	≤0.25
27SiMn	0.24-0.32	1.10-1.40	1.10-1.40	0.030	0.030
42CrMo	0.38-0.45	0.17-0.37	0.50-0.80	0.025	0.025	0.90-1.20		0.15-0.25

Product description

Processing Form	I. D	Length	Straightness	I. D Tolerance	I. D Rounghness
Cold-rolled	30-100	≤ 12M	0.3-1.0	H8-H10	0.4-1.6
Cold-drawn	30-250	≤ 12M	0.3-1.0		0.8-1.6
Hone	40-500	≤ 12M	1000	H8-H9	0.4-0.8
SRB	40-400	≤ 7M	1000	H8-H9	0.1-0.4

Delivery condition: 

BK	BKW	BKS	GBK	NBK	Q+T
+C	+LC	+SR	+A	+N
Cold rolled	Cold drawn	Stress relieved	Annealed	Normalized	Quenched+Tempered

FAQ

1. Are you a factory or trading company?
We are a factory.we also have cooperated factory doing other steel business.

2. How can I get a quotation from you ?
You can leave us message, and we will reply every message in time. Or we may talk on line by Trademanager.
And you can also find our contact information on contact page.

3.Can I get samples before order ?
Yes, of course. Usually our samples are free. we can produce by your samples or technical drawings. 

4. what is your delivery time ?
The time of delivery is usually around 20 days(1*20FT as usual).
We can send out in 2 days, if it has stock.

5.What is your payment terms?
Our usual payment term is 30% deposite, and rest against B/L. L/C is also acceptatble.EXW,FOB,CFR,CIF,DDU.

6.How does your factory do regarding quality control?
Quality is priority. Our factory has gained ISO9001 authentication. We guarantee the goods out from our factory 100% qualified.
And Each Process, we have very strict operation and arrange 2 techinians to inspect. After the products are finished,
we will make the last test to pick up the unqualified products

7.What is your MOQ?
As long as hold one container ,we can accpet the order.