Carbon Alloy Steel Round Bars/Hot Cold Rolled Seamless Welded Stainless Steel Pipe Stainless Steel Round Bar

• Customization: Available
• After-sales Service: 24 Hours Service
• Warranty: 6 Month
• Model NO.: 4140
• Technique: Hot Rolled
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Square. Rectangular.Round
• Process: Eaf + Lf + Vd + Forged + Heat Treatment
• Length: 4000mm-15000mm or Cut to Length
• Processing Method: Cutting,Bending
• Test: Ultrasonic Test
• Certificate: CE, RoHS, SNI, Soncap, Tisi, JIS, ISO9001
• Processing Service: Cutting
• Transport Package: Standard Export Package
• Specification: Diameter: 16-280mm
• Origin: China
• HS Code: 7208519000
• Production Capacity: 100000 Ton/Year

Product Description

 

Product Description

 

 

Product Name	Black Hot Rolled Aisi 4140 Carbon Alloy Steel Round Bars
Grades	4140
Surface	Black,Polish,Oiled
Technique	Hot rolled
Delivery Condition	Black Surface,Rough machined or as required
Test	100% Ultrasonic test
Process	EAF + LF + VD + Forged + Heat Treatment
Dimension	Diameter : 16mm - 250mm
	Length : 4000-15000mm or cut to length
Application	1): Can be used in many fields such as building, automobile, shipbuilding, petrochemical, machinery, medicine, food, electric power, energy, space, building and decoration, etc. 2): Can be made into mould template, mortise pin, column 3): This kind of steel have good mechanical property, is widely used in structural parts which may support stress alternation, especially made into some connecting rods, bolts, wheel gear... 4): This kind of steel is the most common blanks and materials of shaft parts. Its die welding material model is CMC-E45.
Inspection	Mill Test Certificate is supplied with shipment,SGS inspection is accepted if needed
Package	Standard export seaworthy package or as required.
Port	Tianjin Port or Customer designated port of destination
Delivery Time	5-15 days,according to customers' grades,dimension and quantities

 

Commen steel round bar category,grade,sizes and standard:

Category	Grades	Sizes	Standard
Carbon structure steel	Q195, Q215, Q235, Q275	16mm-250mm	GB/T700-2006
Low alloy high strength structure steel	Q295, Q345, Q390, Q420, Q460	16mm-250mm	GB/T1591-2008
Prime Carbon structure steel	10#, 20#, 35#, 45#, 60#, 20Mn, 65Mn, B2, B3, JM20, SH45,S45C, C45	16mm-250mm	GB/T699-1999
Alloy structure steel	30Mn2, 40Mn2, 27SiMn, 42Crmo, 20Cr,40Cr,20CrMo, 35CrMo, 20CrMnTi, 30CrMnTi, 20MnVB, 20MnTiB, 45MnV, 20CrNiMo, Q345B, 35MnBM,40MnB,36Mn2V,	16mm-250mm	GB/T3077-1999
Spring Steel	65Mn, 60Si2Mn, 50CrVA	16mm-250mm	GB/T1222-84
Bearing Steel	GCr15, GCr15GD,55SiMoV	16mm-250mm	GB/T18254-2002
Structural steels subject to end-quench hardenability requirements	20CrMnTi, 30CrMnTi, 20Cr, 40Cr, 30CrMo, 42CrMoA, 27SiMn, 40Mn2H, 20CrNiMo, 40Mn2, q345b,35MnBM, 40MnB,45MnV.	16mm-250mm	GB/T5216-2004
Oil wells structural steel	37Mn5, 36Mn2V	16mm-250mm	Q/LYS248-2007
Marine anchor chain steel	CM490, CM690, M30Mn2	16mm-250mm	YB/T66-1987
			GB/T18669

Detailed Photos

 

 

Packaging & Shipping

 

Packing	1. by bundles, each bundle weight under 3 tons, for small outer diameter round bar,each bundle with 4 - 8 steel strips.
	2. 20 feet container contains dimension,  length under 6000mm
	3. 40 feet container contains dimension,  length under 12000mm
	4.  By bulk vessel,  Freight charge is low by bulk cargo, and large heavy sizes can not be,  loaded into containers can shipping by bulk cargo

FAQ

 

Q: Are you a trading company or a manufacturer?
a: Yes, we are manufacturer, not agent. We have our own factory, located in Shandong, China. We have the leading force in
producing and exporting carbon steel galvanized steel pipe. We promise, we're what you want. welcome to contact us!

Q: What is the quality of your products?
a: We have high quality and best products, our products get some good feedback from customers around the world. Once you get our
product, there are some issues in guarantee, we will provide help in the first place.

Q: How long is your delivery time?
a: If the goods are in stock, it is usually 5-10 days. Or 15-20 days, if the goods are not in stock, it is based on the quantity.

Q: Do you provide samples? Is it free or extra?
a: Yes, we can provide samples free of charge, but do not pay freight.

Q: Welded steel pipe be subject to inspection 3?
a: Yeah. BV,SGC are all acceptable.