Din 1629 ST52 / Q345 Seamless Carbon Steel Tubes Black Large Diameter Spiral

Delivery Time:45 days
Certification:PED, ISO9001:2008, KR, DNV, LR

Seamless Cold Rolled DIN 2391 Alloy Steel Tubes St 52.4 For Automobile Manufacturing

Specifications:

1. Main Standard

    DIN 2391-2

2. Material Grade:

American Standard	17-4PH,15-5PH,17-7PH,F6NM,F347, 400,500,405,600,601,617,630, 904, 904L
European Standard	1.4306,1.4313,1.4318,1.4335,1.4362,1.4401, 1.4418
Chinese Standard	GH3536,GH3652,GH437,GH4090
French Standard	Z2CND18-10,X6CrNiCu17-04

Description:

1. Type

   Cold Rolling

2. Technology

    Cold Rolling

3. Size

   8~114.3 mm

4. Delivery Condition

    Bright Annealed

5. Surface Treatment

    Cold Rolling

Applications:

Petrochemical Industry	Screw drill, Drilling steel, Marine drilling platform, Production platform, etc.
Power Industry	Hydropower plant, Thermal power plant, nuclear power plant, etc.
Machinery Manufacturing	Automobile manufacturing, shipbuilding, Aerospace manufacturing, Fasteners, Bolts, Nuts, Automobile parts
Automobile manufacturing	Axles, Instruments, Electronic parts and components, , Sensors, Turbocharger system, exhaust system, Fasteners, Bolts, Nuts, Pumps, Valves, Tubes, Pipes, etc.
Others	Military industry, Environment protection, etc.

Advantage:

1. Scale of company

    Suzhou Double Gold Industry Co., Ltd. covers a area of 50000㎡,building 29000㎡,with a total investment of RMB 150 million CNY.

2. Production facilities

    We fit out a set of advanced steel production facility, such as AIM,EAF,AOD,LF, VOD, ESR, IESR, VIM and the processing equipment contains heat treatment furnace, peeling machine, roller straightening machine, cold drawing machine, coreless grinder etc.

3. Testing equipments

    We fit out advanced testing equipments which include German SPECTRO direct-reading spectrometer, hardness and tensile machine, impact testing device, automatic & manual ultrasonic nondestructive detector, corrosion testing machine, metallurgical microscope etc.

4. Main customers

    Our main customers are GE, Dana, Panasonic, Bentler, Atlas Copco, Faurecia, CNPC, Sinopec, CNNC, CGN, CSIC etc.