Home > Products > seamless pipe > JIS G3445 STKM12B Carbon steel tube for machine structural purposes
JIS G3445 STKM12B Carbon steel tube for machine structural purposes
USD $500 - $750
/ Ton
5 Tons(Min.Order)
- 50000 Ton / Tons per Month
- shanghai/tianjin/qingdao
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Product Details
| Place of Origin | Shandong, China | Certification | Other | |
| Thickness | 0.5, 30 | Application | Structure Pipe | |
| Technique | Cold Drawn | |||
| Alloy Or Not | Non-alloy | |||
| Outer Diameter | 15 - 1216 mm | |||
| Secondary Or Not | Non-secondary | Special Pipe | Thick Wall Pipe | |
| Section Shape | Round |
Product Description
Product Description
JIS G3445 steel pipe used for machinery, automobiles, bicycles, furniture, appliances and other machine parts.
JIS G3445 standard specifies the carbon steel tubes, hereinafter referred to as the thes, used for machinery, automobiles, bicycles, furniture, appliances and other machine parts.
Carbon steel tubes for machine structural purposes .
Standards: JIS G3445
Size (mm):
- Outer Dimensions: 19.05mm – 114.3mm
- Wall Thickness:2.0mm – 14 mm
- Length: max 16000mm
Application: Tubes used for machinery, automobiles, bicycles, furniture, appliances and other machine parts.
The main products of steel / steel grade: STKM11A, STKM12(A,B,C), STKM13(A,B,C), STKM14(A,B,C).
Packing: Bare/bundles/crates/crate protection at the both sides of tubes or as per customers’ requirements .
Painting: as requested.
Chemical composition(mass fraction)(wt.%) of the STKM12B
| C(%) | Si(%) | Mn(%) | P(%) | S(%) |
|---|---|---|---|---|
| Max 0.20 | 0.35 | Max 0.60 | 0.04 | 0.04 |
Mechanical properties of grade STKM12B
| Yield Rp0.2(MPa) | Tensile Rm(MPa) | Impact KV (J) | Elongation A (%) | Reduction in cross section on fracture Z (%) | As-Heat-Treated Condition | HBW |
|---|---|---|---|---|---|---|
| 947 (≥) | 758 (≥) | 34 | 44 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 442 |
Physical properties of grade STKM12B
| Property | Density kg/dm3 | Temperature T °C/F | Specific heat J / kgK | Thermal conductivity W/mK | Electric resistance µΩ·cm |
|---|---|---|---|---|---|
| 833 (≥) | 286 (≥) | 13 | 11 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0) N/mm2 | Creep rupture strength (10000h) (Rp1,0) N/mm2 | - | - | - |
| 747 | 212 | 738 | - | - | - |
STKM12B Range of products
| Product type | Products | Dimension | Processes | Deliver Status |
|---|---|---|---|---|
| Plates / Sheets | Plates / Sheets | 0.08-200mm(T)*W*L | Forging, hot rolling and cold rolling | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Steel Bar | Round Bar, Flat Bar, Square Bar | Φ8-1200mm*L | Forging, hot rolling and cold rolling, Cast | Black, Rough Turning, Shot Blasting, |
| Coil / Strip | Steel Coil /Steel Strip | 0.03-16.0x1200mm | Cold-Rolled & Hot-Rolled | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Pipes / Tubes | Seamless Pipes/Tubes, Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion, Cold Drawn, Welded | Annealed, Solution and Aging, Q+T, ACID-WASHED |
Packaging & Shipping
Company Information
LIAOCHENG KUNCHENG PIPE CO.,LTD
Room A2709 ChuangYe Building,Liaocheng City, Shandong Province, China
Mobile&Whatsapp:+8613184174934(Wechat)
Tel&Fax:0086-0635-2930669
Skype:mrhrc
PRODUCTS MENU:
Honed Tube : JIS STKM13C, DIN ST52, SAE1020 ,DIN CK45 etc.
Alloy Seamless Tube: ASME SA-335 (P5, P9, P11, P22 P91) A213 -T22/T12 etc.
Hollow seamless bar :AISI 4130 ,ASTM 4140 etc.
Carbon steel pipe :ASTM A106 Gr.B
Stainless steel pipe : 304, 316, 316L & H grades etc.
Hollow section :S235JR, S275JR, S355JR, P265GH, P355N
Alloy Seamless Tube: ASME SA-335 (P5, P9, P11, P22 P91) A213 -T22/T12 etc.
Hollow seamless bar :AISI 4130 ,ASTM 4140 etc.
Carbon steel pipe :ASTM A106 Gr.B
Stainless steel pipe : 304, 316, 316L & H grades etc.
Hollow section :S235JR, S275JR, S355JR, P265GH, P355N
SERVICES MENU:
Machining:Turning , Threading , Milling , Boring , Grooving , Skiving , Trepanning , Sawing , Straightening , honing etc
Contact Us
- Liaocheng Kuncheng Pipe Co., Ltd.
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