4130 30CrMo 4140 42CrMo Alloy CrMo Steel Tubes
4130 30CrMo 4140 42CrMo Alloy CrMo Steel Tubes
ASTM A519, DIN1629, EN10305-1 Seamless Alloy Steel 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 30CrMo 4140 42CrMo Alloy CrMo Steel Tubes |
| 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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