Precision Seamless Steel Tube
Outer diameter: 10mm -500mm Wall thickness: 2-50mmMaterial: ST52, Q345B, CK20, CK45, SAE1026Standard: GB/T8713-88, GB/T3639-2009, DIN2391, EN10305Cold Drawn Tube can be produced according to the demands of costumers that the degree of precision can reach H9/H11.
Material & Chemical Composition
DIN2391 standard ST52, EN10305 standard E355, 16Mn, ASTM A106B, C20/20#, CK45Steel Grade: St52; Ck20; Ck45; E355Standard Item: GB/T 3639-2009, DIN 2391, En 10305,GB/T8713-88ID: 10-500Wt Tolerance: -5%/+5%Trademark: GanoTransport Package: in Bundles, Internal and External Oil CoatingSpecification: ID from 10-500mm Material | C | Si | Mn | S(≤) | P(≤) | Cr | Ni | Mo | other |
A106B / C20# | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | ≤0.25 | ≤0.30 | | Cu≤0.25 |
CK45# | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 | ≤0.25 | ≤0.30 | | Cu≤0.25 |
Q345B | ≤0.20 | ≤0.55 | 1.00-1.60 | 0.040 | 0.040 | V:0.02-0.15 | Nb:0.015-0.06 | Ti:0.02-0.20 | Alt≥0.015 |
ST52 E355 16Mn | ≤0.20 | ≤0.55 | 1.00-1.60 | 0.045 | 0.045 | V:0.02-0.15 | Nb:0.015-0.06 | Ti:0.02-0.20 | 16Mn |
25Mn | 0.22-0.30 | 0.17-0.37 | 0.70-1.00 | 0.035 | 0.035 | ≤0.25 | ≤0.25 | | |
27SiMn | 0.24-0.32 | 1.10-1.40 | 1.10-1.40 | 0.030 | 0.030 | | | | |
42CrMo | 0.38-0.45 | 0.17-0.37 | 0.50-0.80 | 0.025 | 0.025 | 0.90-1.20 | | 0.15-0.25 | |
Product Pictures




Certifications
Production Process

Production Equipment

Inspection Equipment

Third-party Testing Agency

Loading


FAQ Q: What is the Raw material ?
A: 100% virgin raw material.
Q: What is your MOQ?
A: As customers' requests.
Q: why choose us?
A: We are a professional manufacturer with competitive price, good quality and fast delivery time.
Q: How to buy the product?
A: Send email to me, we will reply to you within one day.
Q: Can you make special Design and logo on product?
A: Yes, very easy.
Please contact me for more info today!Cangzhou Datang Steel Pipe Co., Ltd.
Sales Manager : Mrs. Sunny Yang