AISI 4140 1020 1045 Cold Drawn Structure Mild Carbon/Alloy Forged Bright Round Bar
Laiwu Xincheng Metal Co., Ltd.- Type：Alloy Steel Bar
- Standard：AISI, ASTM, GB, JIS, DIN, BS
- Technique：Forged
- Application：Structural Steel Bar, Tool Steel Bar, Die Steel Bar
- Alloy：Alloy
- Delivery Condition：Forged , Forged+Rough Turned
Base Info
- Model NO.：AISI 1045 Medium Carbon Steel
- Heat Treatment：Annealed, Normalized, Qt
- MOQ：One Piece
- Grades：SAE 4140 En19 42CrMo4
- Transport Package：Standard Sea Worthy
- Specification：200-1000mm
- Origin：China
- Production Capacity：3000tons,Month
Description
18CrNiMo7-617CrNiMo6 18NCD6 820A16 18NiCrMo7 17Cr2Ni2Mo 511 18CrNiMo7 17CrNiMo7
6.Chemical composition of 18CrNiMo7-6 (1.6587) / 17CrNiMo6 / 18CrNiMo7
7.HEAT TREATMENT OF 18CrNiMo7-6 (1.6587) / 17CrNiMo6 / 18CrNiMo7 FORGED STEEL
1. Melting Process: EAF/BOF+LF+VD resulting in ingots
2. Both ends cut by saw
3. Ratio of forging:minimum 3:1
4. Grain size of final product: according to ASTM E112 more than 5,preferred more than 8
5. Ultrasonic test: As per SEP1921 Class C/c or D/d
9.MOQ: one piece per size/grade
10.Payment term: FOB CIF CFR EXW and so on
11.Delivery time : 7 to 30 days after deposit received.
12.Mark on both ends
Heat number, size, Length,grades, Weight,Origin (as per contract), or other as required
18CrNiMo7-6 (1.6587) / 17CrNiMo6 / 18CrNiMo7 Forged rough turned round bars / 18CrNiMo7-6 (1.6587) forged rings / 18CrNiMo7-6 (1.6587) forged square steel bar / 18CrNiMo7 Forged rough turned round bars/ 17CrNiMo6 forged rough machined steel round square bar
6.Chemical composition of 18CrNiMo7-6 (1.6587) / 17CrNiMo6 / 18CrNiMo7
| C | Si | Mn | Ni | P | S | Cr | Mo |
| 0.15 - 0.21 | max 0.4 | 0.5 - 0.9 | 1.4 - 1.7 | max 0.025 | max 0.035 | 1.5 - 1.8 | 0.25 - 0.35 |
7.HEAT TREATMENT OF 18CrNiMo7-6 (1.6587) / 17CrNiMo6 / 18CrNiMo7 FORGED STEEL
- Soft Annealing: Heat 17CrNiMo6 to 650-700oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 229.
- Normalizing: 850-880oC, air.
- Hardening: Carburising: 880-980oC. Core Hardening: 830-870oC, water. Case Hardening: 780-820oC, water.
- Tempering:Temperature: 150-200oC
1. Melting Process: EAF/BOF+LF+VD resulting in ingots
2. Both ends cut by saw
3. Ratio of forging:minimum 3:1
4. Grain size of final product: according to ASTM E112 more than 5,preferred more than 8
5. Ultrasonic test: As per SEP1921 Class C/c or D/d
9.MOQ: one piece per size/grade
10.Payment term: FOB CIF CFR EXW and so on
11.Delivery time : 7 to 30 days after deposit received.
12.Mark on both ends
Heat number, size, Length,grades, Weight,Origin (as per contract), or other as required
18CrNiMo7-6 (1.6587) / 17CrNiMo6 / 18CrNiMo7 Forged rough turned round bars / 18CrNiMo7-6 (1.6587) forged rings / 18CrNiMo7-6 (1.6587) forged square steel bar / 18CrNiMo7 Forged rough turned round bars/ 17CrNiMo6 forged rough machined steel round square bar