2) 1.6981 Chemical Composition:
C | Si | Mn | P | S | Cr | Mo | Ni | V | Al |
0.17~0.25 | 0.15~0.35 | 0.25~0.85 | ≤0.020 | ≤0.020 | 0.9~1.2 | 0.65~0.80 | 0.50~0.80 | 0.25~0.35 | ≤0.015 |
1)The Al content of the cast shall be reported and indicated in the certificate
3) Heat Treatment:
Hardening: | 900-950¡æ/air,oil or water dipping |
Tempering: | :680-720¡æ(2h min) |
4) Certfiticates List:
Certificates list of 1.6981 | ||
ISO9001:2008 | ISO14001:2004 | PED Certificate |
ABS Certficate | BV Certficate | DNV Certificate |
RINA Certficate | GL Certficate | LR Certficate |
CCS Certficate | NK Certficate | KR Certficate |
API-6A Certficate | API-17D Certficate | CNAS Certficate |
5) The main manufacturing equipments:
Name&Description |
Capacity |
Quantity |
3600Thydraulic press |
Max. single forging in 18T |
1 |
2000T hydraulic press |
Max. single forging in 9T |
2 |
800 hydraulic press |
Max. single forging in 5T |
1 |
6T electrical hydraulic hammer |
Max.single forging in 5T |
1 |
3T electrical hydraulic hammer |
Max.single forging in3T |
1 |
Air hammer |
Max.single forging from250kg to 1000kg |
7 |
Forging operation machine |
Max.singe forging from20T-5T |
7 |
Heat treatment Furance |
Max.8000*5000*1500mm |
11 |
CNC driling machine |
Max.5000mm |
2 |
Vertical lathe |
From 1600 to 5000mm |
60 |
Horizontal lathe |
Max.5000mm |
70 |
Band sawing machine |
260-1300mm |
36 |