JIS G3445 STKM12B Carbon steel tube for machine structural purposes
JIS G3445 STKM12B Carbon steel tube for machine structural purposes
JIS G3445 STKM12B Carbon steel tube for machine structural purposes
JIS G3445 STKM12B Carbon steel tube for machine structural purposes
JIS G3445 STKM12B Carbon steel tube for machine structural purposes
JIS G3445 STKM12B Carbon steel tube for machine structural purposes

JIS G3445 STKM12B Carbon steel tube for machine structural purposes

USD $500 - $750 /Ton

Min.Order:5 Tons

Supply Ability:
50000 Ton / Tons per Month
Port:
shanghai/tianjin/qingdao
Payment Terms:
T/T Credit Card

Quick Details View All >

Place of Origin:
Shandong, China
Certification:
Other
Thickness:
0.5, 30
Application:
Structure Pipe
Technique:
Cold Drawn
Alloy Or Not:
Non-alloy

Liaocheng Kuncheng Pipe Co., Ltd.

Business Type: Government ministry/Bureau/Commission
Main Products: CARBON STEEL PIPE ,ALLOY STEEL PIPE ,STAINLESS STEEL PIPE ,SQUARE RECTANGULAR TUBE

Product Details

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 0.200.35Max 0.600.040.04
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 ConditionHBW
947 (≥)758 (≥)344443Solution and Aging, Annealing, Ausaging, Q+T,etc442
Physical properties of grade STKM12B
PropertyDensity
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
833 (≥)286 (≥)131144Solution 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
---
747212738---
STKM12B Range of products
Product typeProductsDimensionProcessesDeliver Status
Plates / SheetsPlates / Sheets0.08-200mm(T)*W*LForging, hot rolling and cold rollingAnnealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel BarRound Bar, Flat Bar, Square BarΦ8-1200mm*LForging, hot rolling and cold rolling, CastBlack, Rough Turning, Shot Blasting,
Coil / StripSteel Coil /Steel Strip0.03-16.0x1200mmCold-Rolled & Hot-RolledAnnealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / TubesSeamless Pipes/Tubes, Welded Pipes/TubesOD:6-219mm x WT:0.5-20.0mmHot extrusion, Cold Drawn, WeldedAnnealed, Solution and Aging, Q+T, ACID-WASHED

 

Packaging & Shipping

 JIS G3445 STKM12B Carbon steel tube for machine structural purposesJIS G3445 STKM12B Carbon steel tube for machine structural purposesJIS G3445 STKM12B Carbon steel tube for machine structural purposesJIS G3445 STKM12B Carbon steel tube for machine structural purposes

 

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
SERVICES MENU:
Machining:Turning , Threading , Milling , Boring , Grooving , Skiving , Trepanning , Sawing , Straightening , honing etc 

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