C22 Carbon Steel Round Bars
Mechanical Properties (In Quenched & Tempered State)
Yield strength (MPA)
Reduction in Area (ψ/%)
Impact toughness value αkv (J/cm2)
1020 1045 4140 4130 4150 ASTM A36 A105 S20C S45c SCM440
Round: Dia. 9.5–300mm Square:8*8-160*160mm
Flat: Thickness 10–120mm, width 305 – 2200mm
Hot rolled or cold drawn or forged, turned or black surface, annealed or QT as customer’s request
Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.
100% Ultrasonic according to the test standards:
SEP1921-84,GR.3 CLASS C/C
In bundle or as customer required
EAF+LF+VD ( necessary) +UT+ Peeled(optional) +Turned (optional) + Heat Treatment (optional)
30days after the down payment
T/T or L/C
|Product Name||Typical Grades||Diameter(mm)||Standard adopted|
|Carbon Steel||20 (1020/S20C/C22)||Ø16-Ø300|
|Bearing Steel||GCr9 (51100/SUJ1)||Ø12-Ø250|
Mold bottom, Plastic mold, Construction machinery parts
Automobile parts, Security grills, Screens, Construction
| Bearing Steel || Aerospace, Navigation, Nuclear energy, Chemical industry|
Electronic information, Petrochemical, Instrument and meter
| Cr-Mo Steel || Mechanism & Fasteners gear, Stressed components for vehicles |
Engines and machines, Parts of larger cross-section
|All kinds of gears, Statically and dynamically stressed component for vehicles|
Engines and machine, Larger cross-section parts, Crankshafts
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.
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.
Packaging & Delivery
1, Packaging: seaworthy package or as required
2, Delivery: 35-45 days or based on quantity