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ST52/S355JR Cold Drawn Seamless Tube , DIN 2391 Precision Mechanical Cold Drawn Tube

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SHANGHAI UNITE STEEL

ST52/S355JR Cold Drawn Seamless Tube , DIN 2391 Precision Mechanical Cold Drawn Tube

Country/Region china
City & Province shanghai shanghai
Categories Metal Casting Machinery
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Product Details

DIN 2391 Precision Tube Seamless Cold Drawn Steel Tube for Mechnical Purpose ST52/S355JR

 

Cold drawn seamless has closer dimensional tolerances, better surface finish and higher mechanical properties than corresponding grades of hot finished seamless.

 

Application

 

Structure pipe; High and low pressure boiler tube; Liquid delivery; Seamless steel pipe for petroleum cracking ,Oil pipe,Gas pipe.

 

Delivery Condition: BKS, NBK, BK and BKW

 

 ChiseseAmericanGerman
Material
&
Standard
Description
10#ASTM A53-ASt37 DIN1626
ASTM A106-ASt37-2 DIN17175
ASTM A179-CSt35.8 DIN17175
ASTM A192St35.8 DIN17175
20#ASTM A53-BSt42-2 DIN1626
ASTM A106-BSt45-8 DIN17175
ASTM A178-CSt45-4 DIN1629
45#ASTM A1045CK45
16MnASTM A210-CSt52 DIN1629
37Mn5J55 
27SiMn  
CrMoASTM 4135,4150CrMo4 DIN17212
40CrASTM 514041C

 

 

Norminal DiameterOutside DiameterSCH40(6m) SCH80(6m) SCH160(6m) 
 WallWeightWallWeightWallWeight
(mm)(mm)(kg/pc)(mm)(kg/pc)(mm)(kg/pc)
1/4”13.72.243.793.024.8  
3/8”17.12.315.043.26.6  
1/2”21.32.777.623.739.724.7811.7
3/4”26.72.8710.143.9113.25.5617.4
1”33.43.38154.5519.446.3525.44
1-1/4”42.23.5620.344.8526.826.3533.66
1-1/2”48.33.6824.35.0832.467.1443.5
2”60.33.9132.645.5444.888.7466.66
2-1/2”735.1651.787.0168.469.5389.52
3”88.95.4967.747.6291.6211.13128.1
3-1/2”101.65.7481.428.08111.78  
4”114.36.0296.428.56133.9213.49201.24
5”141.36.55130.629.53185.8215.88294.66
6”168.37.11169.5610.97255.3618.26405.36
8”219.18.18255.312.7387.8423.01667.62
10”2739.27361.8615.09576.0628.581033.98
12”323.810.31478.3817.48792.4833.321432.56

 

Dimension tolerance

 

I.D tolerance (mm)O.D tolerance (mm)I.D Roughness (µm)Straightness (mm/meter)
H7-H9-/+0.5%0.10-0.800.2-0.80

Chemical Composition(%)

GradeCSiMnPS
S355JR0.22max0.55max1.60max0.025max0.025max

 

Our Services

 

Third Party inspection acceptable. such as SGS, BV etc.

Supplying financial support with usance L/C 180 days after B/L date.

 

 

 

 

What we can offer?

 

-We offer a wide range of steel products in a wide variety of dimensions and executions, according to the common international specifications or customize.

-Machining and heat treatment are available.

-Also, we advise you in choosing the right materials.

 

 

Quality Assurance

 

Below inspection will be done in the production.
(1) ray detection---RT;
(2) ultrasonic testing---UT;
(3) Magnetic Particle Testing-MT;
(4) penetration testing-PT;
(5) eddy current flaw detection-ET

 

 

Package

 

In standard export packing and seaworthy material with hexagon shape bundle, covered with tarpaulin, in containers or in bulk, or upon request

 

Payment & Delivery

 

1. Both T/T and L/C will be acceptable

2. Trade Terms: FOB, CIF, CFR

3. The delivery will be in 10-15 days if have stock; For customized items, the delivery will be negotiated by both parties

4. Shipping by sea freight from Shanghai Port (PRC) for Bulk orders, by airfreight or express for samples

 

Company Information

 

Shanghai Unite Steel Trading Co., Ltd

We are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.

In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china.

What’s more, we have built long, deep and close business relationship with dozens of steel company, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!

 
FAQ

 

Q: Are you a manufacturer or merely a trader?
A: We are group of companies and owned manufacturer bases and trading company. We specialized in special steel which include alloy structural steel and carbon steel and stainless steel, etc. All material are with high quality and competitive price. 
 
Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party, such as TUV, CE, if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival.
 
Q: Delivery time?
A: We have ready stock for most of material grades in our warehouse. If the material doesn't have stock, the delivery lead time is about 5-30 days after receiving your prepayment or firm order.
 
Q: What is the payment term?
A: T/T or L/C.
 
Q: Can we visit your company and factory?
A: 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. 

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