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Qingdao Helio Steel Co., Ltd.

Steel Bar, Round Steel, Steel Round Bar manufacturer / supplier in China, offering Scm420h Gear Steel Round Bar, 1020/A36/Ss400 Cold Drawn Steel Soild Round Bar, High Quality 5140 Qt Steel Round Bar for Gr. 8.8 Bolts and so on.

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Scm420h Gear Steel Round Bar

FOB Price: US $400 / Ton
Min. Order: 10 Tons
Min. Order FOB Price
10 Tons US $400/ Ton
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Production Capacity: 10000tons/Month
Transport Package: Standard Seaworthy Package
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: SCM420H gear steel
  • Standard: AISI, ASTM, GB, JIS, DIN, BS
  • Technique: Hot Rolled
  • Surface Treatment: Polished
  • Special Use: Mold Steel
  • Ut Test Standard: Sep1921 Class C/C
  • Delivery Condition: Hot Rolled
  • Specification: 16-310mm
  • HS Code: 72283090
  • Type: Alloy Steel Bar
  • Steel Grade: 400 Series
  • Application: Structural Steel Bar, Tool Steel Bar, Die Steel Bar
  • Alloy: Alloy
  • Certificate: ISO Mtc
  • Processing: Eaf+Lf+Vd
  • Trademark: LEREN
  • Origin: China
Product Description
1. Specification: SCM420H
2. Application: Automobile Components
3. Production Line: EAF(EBT) → LF → VD → Continuous Casting → Hot Rolled
4. Steel Grades in different standards:
GBJISDINASTM/AISI/SAE
20CrMoHSCM420H18CrMo4H4120H
5. Chemical composition:
CSIMNSPCRMO
0.17-0.230.17-0.370.55-0.900.03 (max)0.03 (max)0.85-1.250.15-0.35
6. Delivery condition and Dimensions:
Hot Rolled16mm to 260mm
Cold Drawn8mm to 100mm
Peeled/Turned14mm to 120mm
7. Dimension Tolerances:
DIA 7-2020-3030-5050-8080-110110-150150-190190-250
MM+0.35
-0.35
+0.40
-0.40
+0.50
-0.50
+0.70
-0.70
+1.0
-1.0
+1.3
-1.3
+2.0
-2.0
+2.5
-2.5
8. Gas Contents:
OxygenNitrogenHydrogen
20ppm(max)90ppm(max)2ppm(max)
9. Inclusion Rating:

ABCD

MAXMAXMAXMAX
Thin2.02.02.02.0
Thick1.01.0v1.0
10. Hardenability Test:
J2.5J4.8J12.7
41/47HRC35/43HRC24/32HRC
11. Hardness: 250HB
12. Grain Size: 5 to 8
13. Length: The ends will be saw cut, not flame or gas cut. The ends will be from burrs and slag lumps. Length can be customized according to customers' demands.
14. Straightness: 3mm/m(max)
15. Processing:
Surface Treatment: Peeling, Turning, Grinding, Milling, Drilling, Boring
Heat Treatment: Normalizing, Annealing, Quenching+ Tempering
16. Markings: Material, Dimension, Heat No.
17. Quality tests: Spectral Tested, Microstructure Tested, Macrostructure Test, Joming Hardness Test, Upsetting Test
18. Packing:
*Bars from different heats will not be mixed and dispatched.
*Bars will be bundles and securely metal strapped in 3 min places of the bar length and tagged properly.
*For further processing products such as cold drawn/peeled or heat treated goods, plastics bag wrapped or pallet loading is available according to customer's demands.
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