• Jiangsu Hongbao Group Co., Ltd.
    Matt
    A good collaboration!
  • Jiangsu Hongbao Group Co., Ltd.
    Maura
    It could provide professional solutions for application of titanium tubes, reliable partner.
Contact Person : Angela
Phone Number : 86-512-58715276
Whatsapp : +8615895686919

Bicycle Frame Large Steel Tube WT 1.2mm - 45mm E235 EN10305 Without Coating

Place of Origin Jiangsu, China
Brand Name Hongbao
Certification TS16949,DNV
Model Number HBPST-1
Minimum Order Quantity 1 ton
Price Negotiable
Packaging Details seaworthy plywooden case packing.
Delivery Time Within 50 days if production
Supply Ability 30000MT per year

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Product Details
Material ST37.4,ST52.4,E235,E355 Brand Hongbao
Certificate TS16949,DNV,PED,ISO Origin Jiangsu,China
Type Welded Or Seamless Processing Cold Drawn, Cold Rolled
High Light

precision steel pipe

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Product Description

E235 Steel Tube EN10305 High Precision Steel Tube Seamless Carbon Steel Pipe

 

Description:

Chemical composition

 

Steel Grade C Si Mn p s Cr Ni AI
20# 0.17-0.24 0.17-0.37 0.35-0.65 0.035 0.035 0.250 0.250 /
45# 0.42-0.50 0.17-0.37 0.50-0.80 0.035 0.035 0.250 0.300 /
Q345B ≤0.2 ≤0.5 1.00-1.60 0.030 0.030 0.300 0.250 /
Q345D ≤0.2 ≤0.5 1.00-1.60 0.030 0.030 0.250 0.250 0.015
25Mn 0.22-0.29 0.17-0.37 0.70-1.00 0.035 0.035 / / /
27SiMn 0.24-0.32 0.10-.014 1.10-1.40 0.035 0.035 0.300 0.300 /
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 0.60-0.90 0.050 0.050 / / /

 

 

 

 

 

 

 

 

 

 

 

  Mechanical Property

Steel Grade Rm Mpa Reh Mpa Elongation Mpa Rm Mpa Elongation
20# ≥520 ≥375 ≥15 ≥550 ≥8
45# ≥600 ≥520 ≥10 ≥640 ≥5

16Mn

Q345B Q345D

≥600 ≥520 ≥14 ≥640 ≥5
25Mn ≥600 ≥510 ≥15 ≥640 ≥5
27SiMn ≥760 ≥610 ≥10 ≥800 ≥5
St45 ≥520 ≥375 ≥15 ≥550 ≥5
E355(st52) ≥600 ≥520 ≥14 ≥640 ≥5
SAE1026 ≥600 ≥510 ≥15 ≥640 ≥5

 

Process Diameter Length Precision Inner Hole Roughness
Cold Rolled 30-100mm ≤12 m H8-H10 0.4-1.6
Cold Draw 30-250mm ≤12 m H8-H10 0.8-1.6
Honing 40-500mm ≤12 m H8-H9 0.4-0.8
Rolling 40-400mm ≤7 m H8 0.4
Inner Diameter H8 H9 H10  

 

 

 

 

 

 

 

1. OD:10mm-219mm

2. WT:1.2mm-45mm

3. Good supplier,perfect steel brand

4. High quality,high precision, favorable price, good after-sale service

 

Advantage:

1. Our company produce various specifications,models as per standards

2. Using high -quality material and advanced production technology and equipment for processing

3. Applicable to a humid climate and the harsh corrosive enviroment

4. Products has been exported to Europe,North American,the Middle East,South East Asia,Africa,Asia,European,other countries and regions

5. We are Alibaba Trade-assurance company,Place orders online,get full protection