High Quality ASTM A53 A106 API5l Precision /Alloy / Cold Drawn /Hot Rolled Gr a Gr B Schedule 40 Black Pipe Seamless Steel Tube Precision Tube

Short Description:

JIS G3445 STKM11A12A12C Precision Steel Tube

Standard: JIS G3445
Grade: STKM 11A, STKM 12A, STKM 12C, STKM 15A, STKM 15C, STKM 17C ...STKM 20A
OD. Range:4mm – 114.3mm
Wall thickness: 1mm-15mm
Tolerance: OD ± 0.1mm, ID± 0.1mm
Length: Random length or fixed length 5.8meters or 6meters ,Max length 12M
Type: Seamless steel tube
Packaging detail: Bundles with plastic paper packaged or wooden box package
Delivery date: 10-30days according to customers requirements.



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We emphasize development and introduce new products into the market every year for China Precision Steel Tube and 10# Precision Steel Pipe, Our focus on product quality, innovation, technology and customer service has made us one of undisputed leaders worldwide in the field. Bearing the concept of “Quality First, Customer Paramount, Sincerity and Innovation” in our mind, We have achieved great progress in the past years. Clients are welcomed to buy our standard products, or send us requests. You will be impressed by our quality and price. Please contact us now!
JIS G3445 Precision steel tubes are mainly  used in automobile and precision machinery parts for cars and cylinder. pressure use, and also for transporting steam, water, gas.

Heat treatment: (Please specify the delivery condition and heat treatment requirement when sending the enquiry.)
HR      hot rolled
CW     cold worked
SR      stress relieved
A         annealed
N         normalized
HF      hot formed
Delivery status: +A, +B, +C

Surface Treatment:
1.Bared
2.Black Painted (varnish coating)
3.Galvanized
4.Oiled
5.According to customers.

 Applications: hydraulic system tube ; automobile tube; precision machinery parts  for cars and cylinder tube.;Auto industry tube ;Oil cylinder tube.

Chemical Compositon

Grade 

Designation  Unit % 
Si  Mn  Nb or V 
Grade 11  STKM 11A  0.12 max.  0.35 max.  0.60 max.  0.040 max.  0.040 max. 
Grade 12  STKM 12A  0.20 max.  0.35 max.  0.60 max.  0.040 max.  0.040 max. 
STKM 12B 
STKM 12C 
Grade 13  STKM 13A  0.25 max.  0.35 max.  0.30~0.90  0.040 max.  0.040 max. 
STKM 13B 
STKM 13C 
Grade 14  STKM 14A  0.30 max.  0.35 max.  0.30~1.00  0.040 max.  0.040 max. 
STKM 14B 
STKM 14C 
Grade 15  STKM 15A  0.25~0.35  0.35 max.  0.30~1.00  0.040 max.  0.040 max. 
STKM 15C 
Grade 16  STKM 16A  0.35~0.45  0.40 max.  0.40~1.00  0.040 max.  0.040 max. 
STKM 16C 
Grade 17  STKM 17A  0.45~0.55  0.40 max.  0.40~1.00  0.040 max.  0.040 max. 
STKM 17C 
Grade 18  STKM 18A  0.18 max.  0.55 max.  1.50 max.  0.040 max.  0.040 max. 
STKM 18B 
STKM 18C 
Grade 19  STKM 19A  0.25 max.  0.55 max.  1.50 max.  0.040 max.  0.040 max. 
STKM 19C 
Grade 20  STKM 20A  0.25 max.  0.55 max.  1.60 max.  0.040 max.  0.040 max.  0.15 max.

Other Sthandard Steel Tube

Product Name Standard Grade Size Range
O.D. mm
Usage
Seamless Cold Drawn Precision Tubes JIS G3445 STKM 11A, STKM 12A, STKM 12B, STKM 12C, STKM 13A, STKM 13B, STKM 13C, STKM 15A, STKM 15C, STKM 17A, STKM 17C, STKM 18A 4.00 to 88.90 Mechanical and Automobile Precision Tubes
DIN2391 ST35, ST45, ST52 6.00 to 76.00 Seamless Precision Tubes
ASME/ ASTM SA/A519 SAE1010,SAE1020,SAE1025,SAE1026,SAE1035,

SAE1045,

SAE4130

6.00 to 340.00 Mechanical Precision Tubes
EN10305-1 E215, E235, E335 6.00 to 340.00 Hydraulic Pressure Equipment
ISO8535-1 ST35, ST37, ST52 6.00 to 16.00 High Precision High Pressure Fuel Pipes

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