24Ni8 Chemical composition and Mechanical properties
|
C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
|---|---|---|---|---|---|---|
| 0.20-0.28 | 0.15-0.35 | 0.60-0.80 | 0.035 | 0.035 | ≤ 0.30 | 1.90-2.20 |
| Mo | Al | Cu | Nb | Ti | V | Ce |
| N | Co | Pb | B | Other | ||
(1) the hot working temperature / ℃ : 1100 ~ 850
Heat treatment temperature / ℃ | is fire: 850 ~ 880
Heat treatment temperature / ℃ | quenching: 830 ~ 880 water or oil
Heat treatment temperature / ℃ | tempering: 500 ~ 650
Normal temperature and low temperature mechanical properties | state: at room temperature
Normal temperature and low temperature mechanical properties | σ b/MPa: 590 ~ 740
Normal temperature and low temperature mechanical properties | σ s frequency/MPa: 410
Normal temperature and low temperature mechanical properties | δ 5 (%) frequency: 20
Normal temperature and low temperature mechanical properties | ψ (%) frequency: 55
Normal temperature and low temperature mechanical properties | AKV (DVM) / J: 96
German DIN of low-temperature steel GangHao and chemical composition
Material name: ensure that its quench-hardening ability structural steel grades: 20 MnTiBHA standard GB/T 5216-1985 "chemical ingredients: carbon C: 0.17 ~ 0.23 Si Si: 0.17 ~ 0.37 Mn Mn: 1.20 ~ 1.55 sulfur S: allow residual content than 0.030 P P: allow residual content than 0.030 chromium Cr: allow residual content than 0.035 Ni Ni: allow residual content than 0.030 copper Cu: allow residual content than 0.025 titanium Ti: 0.04 ~ 0.10 B B: 0.0005 ~ 0.0035" mechanical properties: impact toughness values α kv (J/cm2) : frequency 69 (7) hardness: annealing or high temperature tempering, than 187 HB, diameter of 4.4 mm creasing quartile sample size: sample blank dimensions for 15 mm standard and metallographic organization "heat treatment, heat treatment specification: is fire, 930 ~ 950 ℃, air cold; Quenching, 860 + 20 ℃, oil cold; Tempering, 200 + 20 ℃, air or water. "Delivery status: rolling or forging system state delivery. According to buyer's request can also heat treatment (is fire, annealed or high temperature tempering) state delivery. Delivery status should be indicated in the contract.
th: We can supply any lenth based on the customer's requirement.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Tubings: OD: φ4-410 mm, with wall thickness ranging from 1-35 mm.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirement
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Mechanical properties
Heat treatment
Machining
Welding performance
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ELECTRODE ARC FURNACE; (NON)VACUUM INDUCTION FURNACE; LF; VD; VOD; ESR; CONSUMABLE ELECTRODE VACUUM FURNACE.
