公司简介
Major product standard: DIN 2391, EN 10305-1, EN10305-4, BS6323, BS3602, ASTM 822-450, DIN 1630, DIN 1629, ASTM A179
Grades: ST35, ST37.4, ST45, ST44.4, ST52, ST52.4, ASTM A450, 10#, 20a#, 16Mn, and others as request.
Delivery condition: BK, GBK, BKW, BKS, NBK
SURFACE TREATMENTS
Bare Tube (No coating): Bright and smooth, Surface Roughness both inner and outer surface 0.2Ra Maximum for special requirement
Surface Coating
A. Silver galvanized
B. Yellow galvanized
C. Olive green coated
Layer thickness: 8-20um, Salty Spray Test: 48-150 hours
Black phosphate
APPLICATIONS
1. Automotive fields
A. Fuel injection lines/nozzles
B. CNG (Compressed Nature Gas) tube-- Burst pressure: 1307Bar, Working Pressure: around 350bar
C. Drive transmission: Steering column elements
D. Gear shafts, hand brake, front axles, airbag inflators, stabilizers, seat fasteners, front-wheel drive shafts
2. Hydraulic Fields
A. Hydraulic circuits (HPL), pneumatic lines, and hydraulic suspension system
B. Hydraulic cylinders (HPZ)
TEST CERTIFICATIONS
Testing:
All the tubes are checked by Eddy current test and are submitted to a visual and dimensional control before transport.
Tubes are supplied with certificates acc. to EN10204 type 3.1.B: certificates
Other Certifications:
ISO 9001:2000
TS 16949
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相关证明的文件
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