Cold Rolled Cold Drawn SAE 8620 Alloy Steel Seamless Pipe Tube for Heavy Bolts Fasteners

• Customization: Available
• Type: Alloy Steel Seamless Pipe
• Standard: AISI, ASTM, DIN, JIS, GB, BS
• Model NO.: Alloy Steel Seamless Pipe
• Composition: Alloy Steel
• Technique: Cold Rolled
• Shape: Round
• Surface Treatment: Black/Varnishing/Polished/Antiseptical/Oiled......
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
• Application: High Pressure Boiler
• Diameter: 4mm-530mm
• Thickness: 0.5mm-30mm
• Length: 5.8m/6m/ 11.8m/ 12m or Customized
• Pipe Ends: Plain/ Bevelled/ Threaded/ Chamfer
• Machining: Cutting/ Turning/ Bending/ Punching Is S
• Trade Terms: EXW/ Fob/ CIF/ DAP
• Transportation: by Vessel/ Air/ Rail
• Service: Customized/OEM/ODM
• Origin Certificate: Co/ Form E/ Form a/ Rcep and Ec
• Certificate: ISO9001
• Market: Latin America/ Asia/ Europe/ Africa/ Austri
• Transport Package: Snakeskin Bag/Wooden Carton
• Specification: OD: 6mm-273mm, WT: 0.5mm-25mm
• Trademark: HYT
• Origin: China
• HS Code: 7304512000
• Production Capacity: 600000 Tons Per Year

Product Description

Chemical composition

	Chemical composition, %
steel grade	C	Si	Mn	P	S	Cr	Ni	V	Al
				≤					≥
20#	0.17-0.24	0.17-0.37	0.35-0.65	0.035	0.035	0.250	0.250	/	/
45#	0.42-0.50	0.17-0.37	0.50-0.80	0.035	0.035	0.250	0.300	/	/
Q345B	≤0.2	≤0.5	1.00-1.60	0.030	0.030	0.300	0.250	0.08	/
Q345D	≤0.2	≤0.5	1.00-1.60	0.030	0.030	0.250	0.250	0.150	0.015
25Mn	0.22-0.29	0.17-0.37	0.70-1.00	0.035	0.035	/	/	/	/
27SiMn	0.24-0.32	1.10-1.40	1.10-1.40	0.035	0.035	0.300	0.300	/	/
E355(ST52)	≤0.22	≤0.55	≤1.6	0.025	0.025	0.250	0.250	/	/
SAE1026	0.22-0.28	0.15-0.35	0.60-0.90	0.040	0.050	/	/	/	/
E460	≤0.22	≤0.60	1.20-1.60	0.030	0.030	0.300	0.800	0.20	0.02
4130	0.28-0.33	0.15-0.35	0.40-0.60	0.040	0.040	0.80-1.10	/	/	/
4140	0.36-0.43	0.15-0.35	0.75-1.00	0.040	0.040	0.80-1.10	/	/	/

Mechanical property

steel grade	Delivery status
	+C		+SR				+A		+N
	Rm/Mpa	A/%	Rm/Mpa	Rel/Mpa	A/%	KV2/J	Rm/Mpa	A/%	Rm/Mpa	Rel/Mpa	A/%	KV2/J
20(ST45)	550	5	520	375	12	-	390	21	440~570	255	21	-
45	645	4	600	450	6	-	590	14	540	340	18	-
Q345	680	8	580	450	10	27	450	22	490~630	355	22	34
25Mn(SAE1026)	650	6	560	430	10	-	430	20	460	300	20	-
E355(ST52)	680	8	580	450	10	27	450	22	490~630	355	22	34
27SiMn	750	4	650	520	8	-	600	10	650	430	14	-
E460			690	620	13

Note: Rm: tensile strength;  Rel: lower yield strength;  A: elongation;

KV2: shock absorption energy.

Q345 shock absorption energy in accordance with B, C, D, E, respectively, corresponding to  20°C,0°C,-20°C,-40°C.

Production standards: 

GB/T 3639;GB/T 1591;GB/T 699;DIN2391;EN10305-1;ASTM A519

Specific Steel Grade: 20#,45#, Q345B,Q345D,25Mn,27SiMn,E355,SAE1026,STKM13C, E460, 4130, 4140 etc

Condition of delivery 

Condition of delivery	Code	Explain
Cold drawing or cold rolling / hard	+C	Final cold drawing or cold rolling without heat treatment
Stress relieving annealing after cold drawing or cold rolling	+SR	After final cold drawing or cold rolling, the steel tube is eliminated by   stress annealing
annealing	+A	After final cold drawing, the steel tube is annealed
normalizing	+N	After final cold drawing, the steel pipe is normalized

We can produce outer diameter 4mm-273mm, high precision cold drawn steel tube, cold-rolled steel tube, precision steel pipe, stainless steel tube, stainless steel tube wall thickness 0.1mm-25mm, accuracy up to /+0.025 mm, roughness of 0.2. 

It is mainly used in hydraulic system pipes, automobile manufacturing pipelines, military industry, construction machinery, railway locomotives, aerospace, ship, building, petrochemical, power plants, boiler equipment, etc.

There are 6 main characteristics of our product: 

1. There is no oxide layer on the inner wall and outer wall. 

2. No leakage under tremendous pressure. 

3. High accuracy. 

4. High finish. 

5.Cold bending without deformation. 

6.No combustion, shrinkage, flattening, no cracks.

Package	1) Bundle with strip 2) Water-proof sheeting 3) Woven bags 4) PVC package 5) Clients' Requirements
Shipping	1) 20ft container: 26tons (Can load 5.8M Max) 2) 40ft container: 26tons (Can load 12M Max) 3) More than 100tons:can pack by bulk vessel 4) As your requirement
Port of Shipment	Shanghai/Tianjin Port, China
Date of Delivery	According to the quantity and specification of each order

1) Are you manufacturer or trading company? 
We are integrate of manufacturer and trading.
2) Where is your factory?
We are a group, in order to meet different demands from our customers, we had developed many subsidiary corporations in Shandong, Tianjin, Hebei,Jiangsu and Shanghai.
3) What's the delivery time?
If we have inventory, it is 3-7 days

Generally speaking, it's around 15 days from the date of receiving payment for regular products.
If there any more question, please feel free to contact the sales without any hesitate.


Jiangsu HYT International Trading Co., Ltd was established in 2010, which is a wholly-owned subsidiary of Wuxi Lusheng Special Steel Co., Ltd.. Jiangsu HYT International Trading Co. Is responsible for the overseas marketing business of various metal products produced by our group. We specialize in alloy steel, stainless steel, carbon steel, copper, aluminum, high nickel chromium alloy and other materials of pipes, plates, bars, profiles, piping fittings and welding materials, we dediceted in providing one-stop service for petroleum, chemical, electric power and automobile manufacturing industries.
Our group is a modern industrial enterprise integrating production, development, sales and service... We have a complete and effective quality management and quality assurance system, we had passed the ISO 9001: 2008 Quality Management System Certification, the National Special Equipment Manufacturing License (Pressure Pipeline Level A2), ISO 14001: 2004 Environmental Management System Certification, OHSAS18001: 2001 Occupational Health and Safety Management System Certification and Classification Society Certification.