Item | Process | Facility | Inspection items | Standard |
01 |
Steel material
inspection |
Chemical composition
(EF+LF+VD) |
Material standard | |
surface |
Ingot inspection
specification |
|||
|
Ingot type and weight | Material standard | ||
02 |
Material
store |
Division put | warehouse management | |
1
↓ |
Heat | Heat furnace | Temperature/Time |
Heating process
specification Forging production procedure |
2
↓ |
Forging | Press |
Reduction ratio,forging
temperature,deformation, Surface and dimensions |
Forging process card
Forging procedure |
3
↓ |
Heat treatment |
heat treatment
furnace |
heat treatment charts |
1st heat-treatment card
Forging procedure |
4
↓ |
Rough
inspection |
|
Dimensions, apperance,
Mark |
Inspection specification
Forging procedure |
5
↓ |
Rough UT | UT equipment |
Single defect, concentrated
Defects bottom wave attenuation |
UT standard or
customer's technical requirements |
6
↓ |
Saw cutting | Saw machine | Dimension | IQC and forging |
7
↓ |
rough turning | turning-lathe | Dimension,appearance |
Rough machining
drawing |
8
↓ |
UT | UT equipment |
Single defect, concentrated
defects bottom wave attenuation |
UT standard or
customer's technical requirements |
9
↓ |
Q+T
heat treatment |
heat treatment
furnace |
heat treatment charts |
Heating process
specification |
10
↓ |
Sampling or machining | machining tool |
rough machining drawing
sampling drawing |
sample machining
drawing |
11
↓ |
mechanical
property test |
tensile testing machine/
impact testing machine |
ambient temperature,humidity,
Test temp.Sample dimension, test method |
Standard
technical specification |
12
↓ |
finish
machining |
machining
tool |
Dimension,appearance | finish machining drawing |
13
↓ |
UT | UT equipment |
Single defect, concentrated
Defects bottom wave attenuation |
UT standard or
customer's technical requirements |
14
↓ |
MT | MT equipment |
Magnetic particle
indication |
Test standard or
Technical requirements |
15
↓ |
Mark | Steel seal | marking content |
Product standard
Technical requirements Forging process |
16
↓ |
Final
inspection |
Appearance, dimension, mark
acceptance inspection |
Product inspection
specification Product standard P.O. |
|
17 |
Protection/
package |
Blasting
Blasting equipment |
appearance
coating thickness |
Product standard
Technical requirements |
Q1: What do you do for the control of the quality?
A1: Before loading into the container, our products will all be inspected by ultrasonic inspection. Quality Grade conforms to SEP 1921-84 E/e, D/d, C/c as per customer's request.
Q2:: What are your hot-selling products?
A2: D2/1.2379, H13/1.2344, CR12MOV, DC53, CR8, abundant stock for both plates and rounds. Competitive prices and short lead-time.
Q3: Can we visit your company and factory?
A3: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come.
Q4: Are you a manufacturer or merely a trader?
A4: We are a group of companies and owned manufacturer bases and trading companies. We specialized in plastic mold steel, hot work mold steel, cold work mold steel, alloy steel for mechanical, high-speed steel, etc. All materials are of high quality and competitive price.
HOT SALE GRADE:
Plastic Mold steel:
P20 / NAK80 / 2083R
Cold Work Steel:
DC53 / Cr12 / M2 / T1
Hot Worl Steel:
H13 / H13R / 1.2344
Alloy Steel:
20Cr / 4140 / SCM440
Carbon steel Stainless:
GCr15 / 304 / SUJ420
↓More Details Please Contact Us↓