Basic Info.
Product Description
Classified by process
Round steel bar is divided into three types: hot rolled, forged and cold drawn. The size of hot rolled round bar is 5.5-250 mm. Among them: small round bars of 5.5-25 mm are mostly supplied in bundles of straight strips, which are often used as steel bars, bolts and various mechanical parts; round bars larger than 25 mm are mainly used for the manufacture of mechanical parts and billets of seamless steel pipes ect.
Classification by chemical composition
Carbon steel bar can be divided into low carbon steel bar, medium carbon steel bar and high carbon steel bar according to chemical composition (that is, carbon content).
Diameter | 10--800mm |
Length | 3000-12000mm or customized |
Standard | ASTM B36.10, API 5L, DIN17175, ASTM A 615 Gr 40/60,BSS4449 Gr460B,500B etc |
Type | Round/Square |
Starightness | 3mm/M Max |
| Tolerance | +0.5mm/-0(Dia),+5mm/-0(L) |
Surface | Black, Polished, Mill, Brush etc |
| Heat Treatment | Normalized/Annealed/Quenched/Tempered |
Marking | Standard Marking, or according to customer's requirements. Marking Method: Automatic Spray of White Paint. |
Material | API 5L/ASTM A106/ASTM A53 GR.B/A36 Q235B, SS400, 1020/1045, CK20/CK45, 35CrMo/42CrMo, AISI4140/4142 |
| Supply Ability | 10000Tons Per Month |
Application | Petrochemical industy;avation and aerospace industry;pharmaceutical industry;gas exhaust; power plant; ship buliding;water treament,etc. |
Advantages | 1, Quick Respond 2, Reasonable Price 3, Abundant stock and prompt delivery 4, Flexible payment terms 5, Rich experiences in manufacturing and exporting 6, Excellent Quality |
Package | Loose package; In bundles; Bundles with two slings at two ends suitable for sea transportation. |
Carbon Steel Material Grade
Pipe/Bar Specification Table
Quality Control
Pipes Packing
Customers&Exhibition 
FAQ
Q: Are you trading company or manufacturer ?
A: We are professional manufacturer for steel pipes, 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,the Skype,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 ISO9000,ISO9001 certificate,API5L PSL-1 CE 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 shipment 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.