4130 4140 Chromoly 4130 Bicycle Pipe Steel Seamless Cold Tube
Product Details
4130 Seamless Cold Tube
,4140 Seamless Cold Tube
,SCM415 Chromoly Tube
4130 4140 Chromoly 4130 Bicycle Pipe Steel Seamless Cold Tube
Quality Control:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing or Cold Rolling, On line inspection
5. Heat Treatment: SR, A, N
6. Straightening/Cutting to specified length/Finished Measuring Inspection
7. Quality Testing in own lab with Tensile Strength, Yield Strength, Elongation, Hardness, Straightness, etc.
8. Packing and Stocking.
| Product Name | 4130 4140 chromoly 4130 bicycle pipe steel seamless cold tube |
| Standard |
API A106 GR.B A53 Gr.B seamless steel pipe / ASTM A106 Gr.B A53 Gr.B steel tube AP175-79, DIN2I5L , ASTM A106 Gr.B, ASTM A53 Gr.B, ASTM A179/A192/A213/A210 /370 WP91, WP11,WP22 DIN17440, DIN2448,JISG3452-54 |
| Material |
API5L,Gr.A&B, X42, X46, X52, X56, X60, X65, X70, X80, ASTM A53Gr.A&B,ASTM A106 Gr.A&B, ASTM A135, ASTM A252, ASTM A500, DIN1626, ISO559, ISO3183.1/2, KS4602, GB/T911.1/2,SY/T5037, SY/T5040 STP410,STP42 |
| Outside Diameter | 1/2'--24' |
| 21.3mm-609.6mm | |
| Thickness |
SCH5S, SCH10S, SCH20S,SCH20, SCH30,STD, SCH40, SCH60, SCH80, SCH100, SCH140, SCH160,XS |
| 1.65mm-59.54mm | |
| Length | 5.8m 6m Fixed, 12m Fixed, 2-12m Random |
| Technique | 1/2'--6': hot piercing processing technique |
| 6'--24' : hot extrusion processing technique | |
| Surface Treatment | Black Painted, Galvanized, Natural, Anticorrosive 3PE coated,polyurethane foam Insulation |
| End | Bevel end(>2"), Plain (≤2"),with plastic cap, with screwed and socket |
| Usage /Application |
Oil pipe line, Drill pipe, Hydraulic pipe, Gas pipe, Fluid pipe, Boiler pipe,Conduit pipe, Scaffolding pipe pharmaceutical and ship building etc. |
SCM415/SCM430/SCM435/SCM440
| Cr-Mo Steel | Material No | C | Si | Mn | P | S | Cr | Mo | |
| Cr-Mo Steel |
SCM 415 (SAE 4115) |
AP | 0.15-0.18 | 0.15-0.35 | 0.60-0.85 | 0.030 max. | 0.030 max. | 0.90-1.20 | 0.15-0.30 |
| NOAP | |||||||||
| SCM 430 (SAE 4130) |
AP | 0.28-0.33 | 0.15-0.35 | 0.60-0.85 | 0.030 max. | 0.030 max. | 0.90-1.20 | 0.15-0.30 | |
| NOAP | |||||||||
| SCM 435 (SAE4135) |
AP | 0.33-0.38 | 0.15-0.35 | 0.60-0.85 | 0.030 max. | 0.030 max. | 0.90-1.20 | 0.15-0.30 | |
| NOAP | |||||||||
| SCM440 (SAE 4140) |
AP | 0.38-0.43 | 0.15-0.35 | 0.60-0.85 | 0.030 max. | 0.030 max. | 0.90-1.20 | 0.15-0.30 | |
| NOAP | |||||||||
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