Test Certification Report
Test Report No. : PJ
Inspection Manufacturer : Qingdao Pujie Industry Co. Ltd
Export Series
Brake Drum
Technical Requirement
Sampling Inspection
Test Result
Disqualification
Result
n
Ac
Re
A
Strength of extention Rm,Mpa
≥220
1
0
1
234
0
√
Hardness,HBW
180~240
194
Metallographic Structure
Graphite Sgape
A Shape≥90%
1
0
1
√
0
√
Grapgite Length
3~5 Level
5 Level
Pearlite Quantity
≥95%
≥95%
Varbide Quantity
1~2 Level
1 Level
Phosphide Eutectic
1~2 Level
1 Level
Chemical Component Analysis,%
C
3.3~3.7
1
0
1
3.5
0
√
SI
1.4~2.0
1.6
Mn
0.5~0.9
0.8
P
≤0.12
0.08
S
≤0.10
0.07
B
Surface Quality
Casting Compent
1. Washed by shot blasting machine 2. No residual oxide , no residual sand, has no butt, casting fin or air buddle
1
1
2
√
0
√
Brake Drum
No cold shut, no crack, no cinder pig, no pore and so on
√
Surface of brake drum
No grease dirt
√
Form and location tolerance
Surface of friction cylinder radial full indicator movement,MM
≤0.20
0.18
Surface Roughness Ra,μm
Surface of friction cylinder touch brake lining
≤3.2
<3.2
Position cylinder surface,set wheel hub
≤3.2
<3.2
Q1: What’s your mian products?
You can find more information on our web, so please take a look.
A: Our mian products are brake & clutch. brake pad, brake disc, clutch disc, clutch
cover, clutch release bearing.
Q2: What’s your payment terms?
A:Payment terms is T/T or L/C.
Q3: What’s your delivery time ?
A: The delivery time is 45-65 days.
Link to EAN
Q4: Whether you provide samples?
A: Able to processing with supplied samples and trademark.
Q5: What’s your minimum order quantity?
A: Different products have different MOQ.Q6: What service do you have?
A: Available to use customers packing box with customer brand. Competitive price
and reliable quality among peer marketplace.
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