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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
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
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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