Product Description
ASTM-1045 JIS-S45c DIN-C45 Ck45 Solid Round Steel Round Bar Round Steel
Keep stocks always with 1020, 1045 , 4140, 8620h, 40Cr, 4340 , contact us freely !
1.Specifications of hot rolled steel round bars
1.Delievery condition:Hot rolled
2.Proseccing:EAF+LF+(VD).
3.Length tolerance: -0/+50mm
4.Straightness:≤3mm/m.
5.Futhur Heat Treatment: Annealed, Normalized, QT
6.Ultrasonic test according to SEP 1921-84 C/c or
7.Payment term: TT Or LC
8.Price terms: EXW, FOB, CFR, CIF etc
9. Packaging: In bundles, 2 to 3 MT per ton
10. Mark:Hest Number,Weight,Sizes,Grade,etc
2.Sizes of hot rolled steel round bars
3.Quality conditions:
1.Processing Line:
Iron - hot metal pretreatment - Converter - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS) - heat --UT Check - Processing and Distribution Center
Electric Furnace - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS) - heat --UT Check - Processing and Distribution Center
2.Gas content level:O2 - <20 ppm H2 - <2 ppm N2- <100 ppm
3.Grain Sizes:5-8
4. non-metallic inclusions contorlling level
4.Main Grade and chemical compositon for the hot rolled steel round bars we can supply:
4.Main Grade and mechanical property for the hot rolled steel round bars we can supply:
5.Our Advantages:
1.Mature technology,low cost
2.The short flow,fast delivery
3.Standard operation,Extremely high consistency quality of goods.
Keep stocks always with 1020, 1045 , 4140, 8620h, 40Cr, 4340 , contact us freely !
1.Specifications of hot rolled steel round bars
1.Delievery condition:Hot rolled
2.Proseccing:EAF+LF+(VD).
3.Length tolerance: -0/+50mm
4.Straightness:≤3mm/m.
5.Futhur Heat Treatment: Annealed, Normalized, QT
6.Ultrasonic test according to SEP 1921-84 C/c or
7.Payment term: TT Or LC
8.Price terms: EXW, FOB, CFR, CIF etc
9. Packaging: In bundles, 2 to 3 MT per ton
10. Mark:Hest Number,Weight,Sizes,Grade,etc
2.Sizes of hot rolled steel round bars
| Sizes details | diameter | 16-350mm |
| length | 1-12m(canbe customerized) | |
| Sizes tolerance | length | -0/50mm(max) |
| Straightness | 3mm/m(max) |
3.Quality conditions:
1.Processing Line:
Iron - hot metal pretreatment - Converter - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS) - heat --UT Check - Processing and Distribution Center
Electric Furnace - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS) - heat --UT Check - Processing and Distribution Center
2.Gas content level:O2 - <20 ppm H2 - <2 ppm N2- <100 ppm
3.Grain Sizes:5-8
4. non-metallic inclusions contorlling level
| A | B | C | D | |
| MAX | MAX | MAX | MAX | |
| Thin | 2 | 2 | 2 | 2 |
| Thick | 1 | 1 | 1 | 1 |
4.Main Grade and chemical compositon for the hot rolled steel round bars we can supply:
| Grade | C | Si | Mn | Cr | Mo | Ni | P | S |
| Q235(B)/SS400/S235JR/A36 | ≤ 0.20 | ≤0.35 | ≤1.4 | 0.3-0.4 | ≤0.30 | ≤ 0.045 | ≤ 0.045 | |
| 20#/CK22, CK20/1020/050A20/S20C | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | 0.3-0.4 | ≤0.30 | ≤ 0.035 | ≤ 0.035 | |
| 45#/CK45, C45/1045/080M46/S45C | 0.42-0.5 | 0.17-0..37 | 0.5-0.8 | 0.3-0.4 | ≤0.30 | ≤ 0.035 | ≤ 0.035 | |
| 20Cr/20Cr4/5120/527A19/SCr420H | 0.18-0.24 | 0.17-0.37 | 0.50-0.80 | 0.70-1.00 | ≤0.15 | ≤0.30 | ≤ 0.035 | ≤ 0.035 |
| 40Cr/41Cr4/5140/520M40/SCr440 | 0.37-0.44 | 0.17-0.37 | 0.5-0.8 | 0.8-1.1 | ≤0.15 | ≤0.30 | ≤ 0.035 | ≤ 0.035 |
| 30CrMo/4130/1717COS110/SCM420 | 0.26-0.34 | 0.17-0.37 | 0.4-0.7 | 0.8-1.1 | 0.15-0.25 | ≤0.30 | ≤ 0.035 | ≤ 0.035 |
| 35CrMo/34CrMo4/4135/708A37 | 0.32-0.40 | 0.17-0.37 | 0.4-0.7 | 0.8-1.1 | 0.15-0.25 | ≤0.30 | ≤ 0.035 | ≤ 0.035 |
| 42CrMo/42CrMo4/4140/708A42/708M40 | 0.38-0.45 | 0.17-0.37 | 0.5-0.8 | 0.90-1.2 | 0.15-0.25 | ≤0.30 | ≤ 0.035 | ≤ 0.035 |
| 40CrNiMoA/40CrNiMo22/4340/871M40/SNCM439 | 0.37-0.44 | 0.17-0.37 | 0.50-0.80 | 0.60-0.90 | 0.15-0.25 | 1.25-1.65 | ≤ 0.025 | ≤ 0.025 |
4.Main Grade and mechanical property for the hot rolled steel round bars we can supply:
| Grade | Tensile Strength(Mpa) | Yield Strength(Mpa) | Elongation(%) | AKV(J) | Reduction of Area(%) |
| (Mpa) | (%) | (%) | Akv (J) | ||
| min | min | min | min | min | |
| Q235(B)/SS400/S235JR/ A36 | 410 | 235 | 25 | 55 | |
| 20#/CK22, CK20/1020/ 050A20/S20C | 410 | 245 | 25 | 55 | |
| 45#/CK45, C45/1045/080M46/S45C | 600 | 355 | 16 | 39 | 40 |
| 20Cr/20Cr4/5120/527A19/SCr420H | 410 | 245 | 25 | 55 | |
| 40Cr/41Cr4/5140/520M40/SCr440 | 980 | 785 | 9 | 47 | 45 |
| 30CrMo/4130/1717COS110/SCM420 | 930 | 785 | 12 | 63 | 50 |
| 35CrMo/34CrMo4/4135/708A37 | 980 | 835 | 12 | 63 | 45 |
| 42CrMo/42CrMo4/4140/708A42/708M40 | 1080 | 930 | 12 | 63 | 45 |
| 40CrNiMoA/40CrNiMo22/4340/871M40/SNCM439 | 980 | 835 | 12 | 78 | 55 |
5.Our Advantages:
1.Mature technology,low cost
2.The short flow,fast delivery
3.Standard operation,Extremely high consistency quality of goods.
