Specifications

ASTM a53 grade b cold drawn seamless steel tube
1. Process:honing SRB
2. ID30-250mm
3 MOQ:5MT

ASTM a53 grade b cold drawn seamless steel tube

15CrMo Precision Cold Drawn Tube 1.OD:1/8"-8"mm 2.WT:1.2mm-45mm 3.ASTM,DIN,JIS,GB standard 4.Tolerance: OD:+/-0.05mm

2.WT:1.2mm-45mm

3. ASTM,DIN,JIS,GB standard
4. MOQ: 5 Tons 

 Precision Steel Tube Specifications

1. Dimension: 

 O.D.:10-219mm(OD&ID+/-0.05mm) ,W.T.:1.2-45mm, L:fixed or random(1-10m)

2. Steel Grade: 

10#,20#,45#,16Mn,20Cr,27SiMn, A106/A53 Gr.A/B,AISI 1010/1020/1045,ST35, ST37,ST37.4,ST45,ST52,ST52.4,E195,E235,E255,E355,etc

3.Standards: 

 GB/T3639,DIN2391,DIN2445,DIN1629,DIN1630,DIN2445,EN10305,JIS G3445,ASTM A106,ASTM A179,ASTM A519,etc.

4. Technique method: 

 Cold drawn or cold rolled.

5. Delivery Condition: 

 NBK(+N), GBK(+A), BK(+C) ,BKW(+LC) ,BKS(+SR)

6. Application: 

 Automotive parts, hydraulic system parts, oil cylinder, aerospace and aviation, shipbuilding pipe, various machinery parts.

7. Surface treatment: 

 Bare pipe,Bright and smooth,Surface coating,Black and Phosphated,Pickled and oiled or upon customers' request.

8. Packing: 

 Packing in bundles,Wrapped with PVC and gunny sacks,Seaworthy wooden case or according to customers' requirements.

9. Minimum order quantity: 5 tons

10. Payment Terms: T/T, L/C at sight

 

Process method	Straightness	Tolerance	Inner hole roughness
Cold rolled	0.3-1.0	-/+0.03-0.1mm	Ra0.4-Ra1.6
Cold drawn	0.3-1.0	-/+0.03-0.1mm	Ra0.8-Ra1.6

Process:

Pretreatment : Pickling­—Phosphating—Saponification

Cold drawn/cold rolled 

Annealing furnace——+SR

Straightener—— Straightening

Products inspecting

Skiving and Roller Burnishing

SGS test

Finished Products

 

Package

ISO 9001 Verified

Application

If any requirement or question , please feel free to contact us!