forged round bars AISI 4340 with GL certificated
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Basic Info
Product Description
Product Description
Basic Specification
| Standard or Nonstandard | Standard |
|---|---|
| Processing | Hot forged |
| Material | Steel |
Detail Description
| Standards: | EN10083,EN10084,EN10250,ASTM-A29,GB/T 3077-1099,NB/T 47008-47010 |
| The maximum weight: | 25 tons |
| Diameter: | 100mm~1000mm |
| Material： | C45R, C60R, S355J2G3, 42CrMo4, 4140, 1018, 1045, 4340, 070M20, 080M40 |
| Heat treatment: | Annealing/ Normalizing/ Quenching and Tempering |
| Certification: | CCS,TUV,GL,BV,DNV, RINA |
Chemical analysis of steel:
| Steel Grade | C | Mn | Si | S | P | Cr | Ni | Mo | Cu | Ti | V | W | H2 | Al |
| AISI 4340 |
0.38- 0.43 |
0.60- 0.80 |
0.15- 0.35 |
≤0.035 | ≤0.035 |
0.70- 0.90 |
1.65- 2.00 |
0.20- 0.30 |
≤ 0.35 |
≤ 0.03 |
≤ 0.05 |
≤ 0.02 |
≤2 ppm |
0.02- 0.05 |
Mechanical Properties：
| Re Yield strength, | Rm Tensile strength, | Specific elongation A5,% | Reduction of area |
Hardness, HB | Charpy V-notch impact at 72°F, J |
||
| N/mm2 | KSI | N/mm2 | KSI | ||||
| ≥ 827 | ≥120.000 | ≥1010 | ≥145.000 | ≥ 16 | ≥ 45 | (290-335) | Min35 |
Production Equipment: IF furnace, 50 EBT Electric arc furnace, LF refining furnace, 60T（VD/VOD),VC Pouring System, Dedusting system,Fast forging machine.
Production process flow:
Additional Information
| Payment Terms | L/C, T/T, D/P, Others |
|---|---|
| Minimum Order | 50Tons |
| Lead Time / Delivery Time | 60 Day(s) |
| Sample Available | NO |
| Delivery Details | According to customer\'s request. |
| FOB Port | ZhangJiaGang |
| Loading Info | By Sea. |
| Packing Info | According to per customer\'s request. |
| Target Market(s) | Africa(except Middle East), Central & Southern Asia, Eastern Europe, Hong Kong/ Macao/ Taiwan, Japan & Korea, Latin America, Mainland China, Middle East, North America, Northern Europe, Oceania, Southeast Asia, Western & Southern Europe |
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