Diameter: 100-710mm
Length: 100-6000mm
Normalized
,Specification:
dia: 80-1200mm
3,Chemical Composition:
Grade | C | Si | Mn | P≤ | S≤ | Cr | Mo |
50CrMo4 | 0.46-0.54 | ≤0.40 | 0.50-0.80 | 0.035 | 0.035 | 0.90--1.20 | 0.15---0.30 |
4,Process:
EAF+LF+VD+INGOT+HOT FORGED +HEAT TREATMENT(OPTIONAL)
5,Surface:
Surface: Black surface with oxygen skin
6,Test: Ultrasonic test according to SEP 1921-84 3C/c
Certificate of Quality: issued in English, in addition the normal terms, production process, the mechanical property (yield strength, tensile strength, elongation and hardness), forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the Certificate of Quality.
Type | Standard | Specification | ||||
GB/T | ASTM | DIN | JIS | ISO | ||
Carbon steel | 20# | 1020 | C20 | S20C | --- | |
35# | 1035 | C35 | S35C | C35E4 | 1.Dia: 100mm-1000mm | |
45# | 1045 | C45 | S45C | C45E4 | 2.Length: 3000mm-12000mm | |
Alloy structural steel | 35CrMo | 4135 | 34CrMo4 | SCM435 | 34CrMo4 | 3.Process:EAF + LF + VD + Forged + Heat Treatment (optional) |
40Cr | 5140 | 41Cr4 | SCr440 | 41Cr4 | 4.Delivery condition: Hot forged +Rough machined + Turned (optional) | |
42CrMo | 4140 | 42CrMo4 | SCM440 | 42CrMo4 | ||
40CrMnMo | 4142 | 42CrMo4 | SCM440 | 42CrMo4 | 5.Forged ratio: no less than 3:1 | |
40CrNi2Mo | 4340 | 34CrNiMo6 | SNCM439 | --- | 6.Test: ultrasonic test as per SEP 1921-84 3C/c | |
Alloy tool steel | 9SiCr | 90CrSi5 | --- | --- | 7.Certs:ISO9001:2000,LR,ABS,GL,CCS certs | |
Cr12Mo1V1 | D2 | X155CrVMo12-1 | --- | 160CRMoV12 | 8.Payment:L/C at sight,T/T | |
4Cr5MoSiV1 | H13 | X40CrMoV5-1 | SKD61 | 40CrMoV5 | 9.Delivery time:30-45days | |
Cr12 | D3 | X210Cr12 | SKD1 | 210Cr12 | 10.Package:20" or 40" loose container | |
Cr12MoV | --- | X165CrMoV12 | SKD11 | --- |