Order On-line Tracking
|Standard:||AISI,JIS,GB,BS,DIN,API,EN,ASTM||Technique:||Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring||Shape:||U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ|
|Surface Treatment:||Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated||Steel Grade:||Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)||Certification:||ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL|
Hot Forged QT AISI 4140 Alloy Steel Round Bar
Product Description of Hot Forged QT AISI 4140 Alloy Steel Round Bar
1. Steel grade: ASTM4140, SCM440, 42CrMo, DIN1.7225
2. Length: 6M-12M
3. Diameter: 16mm-300mm
4. Product range: round bar, flat bar, square bar
5. Technique: Hot rolled, forged, cold drawn
Specification of Hot Forged QT AISI 4140 Alloy Steel Round Bar
EAF + LF + VD + Forged + Heat Treatment (optional)
Normalized / Annealed / Quenched / tempered
Hot forged +Rough machined (black surface after Q/T)+ Turned (optional)
Ultrasonic test according to SEP 1921-84 D/d
Chemical Composition of Hot Forged QT AISI 4140 Alloy Steel Round Bar
Photo Show of Hot Forged QT AISI 4140 Alloy Steel Round Bar
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of Hot Forged QT AISI 4140 Alloy Steel Round Bar
1. Steel round bar is used in a large number of architectural and engineering structures. Or it can be used in construction of plants for the production of steel house frames, high-voltage transmission towers, bridges, vehicles, boilers, containers, ships, etc.
2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.
3. Some special material steel round bar can be used for main shaft of steamer, hummer shank, with big section and supper force.
CNBM International Corporation is the most important trading platform of CNBM group.
Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.
F A Q
1, Your advantages?
professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale
2, Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3, Factory or Trading Company?
CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.
4, Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
5, Trading Terms?
EXW, FOB, CIF, FFR, CNF
6, After-sale Service?
CNBM provides the services and support you need for every step of our cooperation. We're the business partner you can trust.
For any problem, please kindly contact us at any your convenient time.
We'll reply you in our first priority within 24 hours.
1. Manufacturer Overview
|Annual Output Value|
2. Manufacturer Certificates
|a) Certification Name|
3. Manufacturer Capability
|No.of Employees in Trade Department|
|No. of Production Lines|
|Product Price Range|