Step Shaft
Step Shaft
Process: EAF + LF + VD + Forged + Heat Treatment (optional)
Delivery condition: Hot forged +Rough machined (black surface after Q/T)+ Turned (optional)
Delivery Time: 20-45 days
Heat treatment: Normalized / Annealed / Quenched / tempered
Technical Data: According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing
Test: Ultrasonic test according to SEP 1921-84 G3 C/c
Payment: 30% advance by TT; Balance pay before the shipment against shipping documents or irrevocable LC at sight
Application: Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.
Note:
1. Delivery Condition: Hot Rolled, Forged, Cold Drawn or Cold Rolled.
2. Surface: Black/peeled/grinding/rough machined(turned&milled)/ finish machining can be provided.
3. Heat Treatment: Annealing, Normalizing, Q/T(Quenching and Tempering), Pre-Hardening etc. Can be done according to steel grade and customer's requirements.
| Step Shaft | |||
| GB | JIS | ASTM | DIN |
| 20Mn2-50Mn2 | SMn420-SMn443 | 1320-1345 | 20Mn5-50Mn7 |
| 15Cr | SCr415 | 5115 | 17Cr3 |
| 20Cr | SCr420 | 5120 | 17Cr3 |
| 30Cr | SCr430 | 5130 | 28Cr4 |
| 35Cr | SCr435 | 5135 | 34Cr4 |
| 40Cr | SCr440 | 5140 | 41Cr4 |
| 45Cr | SCr445 | 5145 | - |
| 50Cr | - | 5150 | - |
| 15CrMo | SCM415 | - | 15CrMo5 |
| 20CrMo | SCM420 | 4118 | - |
| 30CrMo | SCM430 | 4130 | 25CrMo4 |
| 35CrMo | SCM435 | 4135 | 34CrMo4 |
| 42CrMo | SCM440 | 4140 | 42CrMo4 |
| 15CrMn | - | 5115 | 16MnCr5 |
| 20CrMn | SMnC420 | 5120 | 20MnCr5 |
| 20CrMnTi | - | - | - |
| 38CrMoAl | SACM645 | - | - |
| 60Si2MnA | SUP6/SUP7 | 9260 | 61SiCr7/1.7108 |
| 55CrMnA/60CrMnA | SUP9/SUP9A | 5155/5160 | 55Cr3/1.7176 |
| 50CrVA | SUP10 | 6150 | 51CrV4/1.8159 |
| 60Si2CrA | - | 9254 | 54SiCr6/1.7102 |
| GCr15 | - | 52100 | 100Cr6 |
| 20CrMnMo(H) | SCM421(H) | 4119 | - |
| 40CrMnMo | SCM440 | 4142 | 42CrMo4 |
| 20CrNi-50CrNi | SNC236 | 4720 | - |
| 12CrNi2 | SNC415 | 4320 | 10NiCr5-4 |
| 20CrNiMo | SNCM220 | 8620 | 21NiCrMo2 |
| 34CrNiMo | - | - | 34CrNiMo6 |
| 40CrNiMo | SNCM439 | 4340 | 36CrNiMo4 |
| Tool Steel | ||||
| GB | ASTM | DIN (W-Nr.) | JIS | SS14 |
| Cold Work Tool Steel | ||||
| Cr12 | D3 | X120Cr12 (1.2080) | SKD1 | XW-5 |
| Cr12MoV | D2 | X165CrMoV12(1.2601) | SKD11 | - |
| Cr12Mo1V1 | D2 | X155CrVMo12-1(1.2379) | SKD11 | DF-2 |
| 9CrWMn | O1 | 95MnWCr5(1.2510) | SKS3 | - |
| Cr5Mo1V | A2 | X100CrMoV5-1(1.2363) | SKD12 | - |
| 9Mn2V | O2 | 90MnCrV8(1.2842) | - | - |
| CrWMn | - | 105WCr6(1.2419) | SKS31 | - |
| 9SiCr | - | 90CrSi5(1.2108) | - | 2092 |
| 6CrW2Si | - | 60WCrV7(1.2500) | - | - |
| Hot Work Tool Steel | ||||
| 4Cr5MoSiV | H11 | X38CrMoV5-1(1.2343) | SKD6 | - |
| 4Cr5MoSiV1 | H13 | X40CrMoV5-1(1.2344) | SKD61 | 8407 |
| 3Cr2W8V | H21 | X30WCrV9-3(1.2581) | SKD5 | - |
| 5CrMnMo | 6G | 40CrMnMo7(1.2311) | SKT3 | - |
| 5CrNiMo | L6 | 55NiCrMoV6(1.2713) | SKT4 | - |
| 4Cr3Mo3SiV | H10 | X40CrMoV12-28(1.2365) | SKD7 | - |
| Plastic Mould Steel | ||||
| 3Cr2Mo | P20 | 35CrMo7(1.2312) | - | 618 |
| 3Cr2NiMo | P20+Ni | 40CrMnNiMo8-6-4(1.2378) | - | 718 |
| 4Cr13 | 420SS | X40Cr14(1.2083) | J2 | - |
| 3Cr17Mo | - | X36CrMo17(1.2316) | - | - |
| 1Ni3Mn2CuAlMo (PMS) | - | - | NAK80 | - |
| Bearing Steel | ||
| Full hardening bearing steel | Induction quenching bearing steel | Carburized bearing steel |
| GCr15 Gcn5Sialn Grade 3 100Cr6 SUJ2S1 SUJ2 SAE52100 Grade 24 100CrMnSi6-4 |
C56E2 S53CG S55C-SV SAE1070M SAE1055 |
G20CrNiMo G20CrNi2Mo SAE8620H |
| HighSpeed Steel | |||
| GB | ASTM | DIN (W-Nr.) | JIS |
| W18Cr4V | T1 | S18-0-1(1.3355) | SKH2 |
| W6Mo5Cr4V2 | M2 | S6-5-2(1.3343) | SKH51 |
| W12Cr4V5Co5 | T15 | S12-1-4-5 (1.3202) | SKH10 |
| W18Cr4VCo5 | T4 | S18-1-2-5 (1.3255) | SKH3 |
| W6Mo5Cr4V3 | M3-1 | SC6-5-2 | SKH52 |
| CW6Mo5Cr4V3 | M3-2 | S6-5-3 (1.3344) | SKH53 |
| W2Mo9Cr4VCo8 | M42 | S2-10-1-8 (1.3247) | SKH59 |
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