Motorcycle Shock Absorber Welded Steel Pipe/TubeBe used for hydraulic system,motorcycle and automobile vibration damper and other
fields that have high requirements to steel pipe's precision,finish,cleanness and mechanic properties.
Outer diameter of cold-rolled precision seamless steel tube 10-70mm
Wall thickness 1-13mm executive standard:
GB / T 3639 cold drawn or cold rolled precision seamless steel tubes
DIN2391 cold drawn or cold rolled precision seamless steel pipe
EN10305-1 seamless cold drawn pipe
En10305-2 Welded cold drawn pipe
ASTM A519 seamless carbon steel pipe and alloy steel pipe for machinery
FAQ
1. Are you factory or trading company?
YES, We are factory in jiangsu of china for many years.
We can give you the factory price directly.
2. Could you provide the samples?
Sure, but it is just for normal sizes, and the freight will be paid by you.
3.What is your MQO?
1tons, it is better for bundles.
4.Do you have stockist goods?
YES, But you must send me the sizes you need , let me check it for you.
| Material Chemical Composition (%) | | | | | Steel Grade | Material Number | C | Si | Mn | P Max | S Max | Cr | Mo | | ASTM A519 | 1010 | - | 0.08-0.13 | - | 0.3-0.6 | 0.04 | 0.05 | - | - | | 1020 | - | 0.18-0.23 | - | 0.3-0.6 | 0.04 | 0.05 | - | - | | 1045 | - | 0.43-0.50 | - | 0.6-0.9 | 0.04 | 0.05 | - | - | | 4130 | - | 0.28-0.33 | 0.15-0.35 | 0.40-0.60 | 0.04 | 0.04 | 0.8-1.1 | 0.15-0.25 | | 4140 | - | 0.38-0.43 | 0.15-0.35 | 0.75-1.0 | 0.04 | 0.04 | 0.8-1.1 | 0.15-0.25 |
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| Material Chemical Composition (%) | | | | Standard | Steel Grade | Material Number | C | Si | Mn | P | S | Cr | Mo | | DIN 2391 | ST35 | 1.0308 | <= 0.17 | <= 0.35 | >=0.04 | <=0.025 | <=0.025 | - | - | | ST45 | 1.0408 | <= 0.21 | <= 0.35 | >=0.04 | <=0.025 | <=0.025 | - | - | | ST52 | 1.058 | <= 0.22 | <= 0.55 | <=1.60 | <=0.025 | <=0.025 | - | - | | | BK | BKW | BKS | GBK | | Steel Grade | Rm Tensile Strength (Mpa) Min | A Elongation(%) Min | Rm Tensile Strength (Mpa) Min | A Elongation(%) Min | Rm Tensile Strength (Mpa) Min | Rel Yield Strength(Mpa) Min | A Elongation (%) Min | Rm Tensile Strength (Mpa)Min | A Elongation (%)Min | | ST35 | 480 | 6 | 420 | 10 | 420 | 315 | 14 | 315 | 25 | | ST45 | 580 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | | ST52 | 640 | 4 | 580 | 7 | 580 | 420 | 10 | 490 | 22 |
| Standard | Steel Grade | Material Number | C | Si | Mn | P | S | Cr | Mo | EN10305-1
EN10305-4 | E235 | 1.0308 | <= 0.17 | <= 0.35 | >=0.04 | <=0.025 | <=0.025 | - | - | | E255 | 1.0408 | <= 0.21 | <= 0.35 | >=0.04 | <=0.025 | <=0.025 | - | - | | E355 | 1.058 | <= 0.22 | <= 0.55 | <=1.60 | <=0.025 | <=0.025 | - | - |
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