Hello, welcome to the website of Shandong Jianning Metals Co., Ltd.!

JIANNING METALS

Factory: J&J metal industries

Houtun industrial zone, Dongchang east R.d, Liaocheng 

Factory: Jianning Metals (Wuxi) Machinery 

Tianshun R.d,Yangshan industrial zone, Huishan District, Wuxi

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Address:  No.177, Dongchang East Road,Liaocheng,Shandong,China.

Tel:0086-635-8571299 0086-13258983775

E-mail:info@jianningmetals.comsales@jianningmetals.com

Hello, welcome to the website of Shandong Jianning Metals Co., Ltd.!

热门关键词:液压岩心钻机、XYC-200、XYD-200、XYX-3、工程钻机  等

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Products

Name

Honed Tube

Affiliate classification
没有此类产品
Description
Standard: DIN2391 EN10305 ASTM A519                  
Material:C20 CK45 E355 ST52 SAE1026 4130 4140 STKM 13C                  
Size:I.D:30mm-400mm; O.D:40mm-480mm                  
Length:Fixed length, Random length or as requests of customers                  
Application: Hydraulic cylinder, Engineering machinery, Metallurgical machinery,
Plastic machinery, Hoisting machinery, Road construction machinery, Textile machinery
Chemical Composition:
Steel grade Chemical composition,%
C Si Mn P S Cr Ni V Al
≤ ≥
C20 0.17-0.24 0.17-0.37 0.35-0.65 0.035 0.035 0.250 0.250 / /
CK45 0.42-0.5 0.17-0.37 0.5-0.8 0.025 0.020 0.250 0.300 / /
Q345B ≤0.2 ≤0.5 1.00-1.60 0.030 0.030 0.030 0.250 0.080 /
Q345D ≤0.2 ≤0.5 1.00-1.60 0.030 0.030 0.250 0.250 0.150 0.015
E355(ST52) ≤0.22 ≤0.55 ≤1.6 0.025 0.025 0.250 0.250 / /
SAE1026 0.22-0.28 0.15-0.35 0.6-0.9 0.040 0.050 / / / /
4130 0.28-0.33 0.15-0.35 0.40-0.60 0.040 0.040 0.80-1.10 / / /
4140 0.36-0.43 0.15-0.35 0.75-1.00 0.040 0.040 0.80-1.10 / / /

 

Mechanical Property:
Delivery condition cold finished(hard)(BK) Cold drawn and stress-relieved(BK+S)
Steel grade Rm MPa Elongation    A5(%) Rm MPa ReH MPa Elongation    A5(%)
C20 ≥550 ≥5 ≥520 ≥375 ≥15
CK45 ≥645 ≥5 ≥600 ≥520 ≥10
Q345B ≥640 ≥5 ≥600 ≥520 ≥14
Q345D ≥640 ≥5 ≥600 ≥520 ≥14
E355(ST52) ≥640 ≥5 ≥600 ≥520 ≥14
SAE1026 ≥640 ≥5 ≥600 ≥520 ≥15
Tolerance:
Tolerance I.D Tolerance Tolerance of wall thickness
Size of I.D H8 H9 H10
30 0.033 0.052 0.084

   <120mm(O.D)          ±5%                         

≥120mm up to 210mm      ±7.5%               >210mm                   ±10%

>30-50 0.039 0.062 0.1
>50-80 0.046 0.074 0.12
>80-120 0.054 0.087 0.14
>120-180 0.063 0.1 0.16
>180-250 0.072 0.115 0.185
>250-315 0.081 0.13 0.21
>315-400 0.089 0.14 0.23
Processing form:
Processing form I.D mm Length Straightness I.D tolerance I.D Roughness  (RA)
Honed 40-500 ≤12M 0.5-1/1000 H8-H9 0.4-0.8μm
SRB 50-250 ≤9M H8

0.1-0.4μm

FAQ:                        
1. Q: Are you trading company or Manufacturer?                        
A: Of course, we are manufacturer. We are in the field of Seamless steel tube for more than 20 years.                        
2. Q: What is your delivery time?                        

A: As normally, it is 25~60 days after you confirm the order. If your order is urgent,

we would like to try our best to meet your requests.

                       
3. Q: What is your main payment term?                        

A: They are T/T and L/C. Like 30% advance payment via T/T, balance pay after receiving copy BL;

100% irrevocable L/C at sight.

If you have any other requests, we can talk to it again.

                       
4.Q: What is your main market?                        
A: Southeast Asia, southern Asia, Europe, etc.                        
5. Q: Why we choose you as our supplier?                        

A: All of our clients have reorders from us. Give us one order, you can feel our price, quality, and service.

Then, you will know us.

                       
                         

 

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