Ss400 S20c S45c 1020 1045 4140 42CrMo4 Hot Rolled and Cold Drawn Steel Round Bars

• Type: Alloy Steel Bar
• Standard: AISI, ASTM, GB, JIS, DIN, BS
• Technique: Hot Rolled
• Application: Structural Steel Bar, Tool Steel Bar, Die Steel Bar
• Surface Treatment: Hot Rolled Black Surface
• Alloy: Alloy
• Model NO.: steel round bars
• Special Use: Mold Steel, Free Cutting Steel, Cold Heading Steel
• Products: Hot Rolled Steel Round Bar
• Diameter: 16mm to 350mm
• Main Grade: 1020 1045 Ss400 4140 etc
• Condition: Keep Stocks Always
• Transport Package: Standard Export Packing
• Specification: M12-M310
• Trademark: Laiwu Xincheng
• Origin: China
• HS Code: 72283090
• Production Capacity: 3000tons/Month

Product Description

S20C S35C S45C S50C S55C SCM440 SCR440 SCM420 steel round bars

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.