All Products

Seamless Steel Tubes (53)

Seamless Carbon Steel Tube (37)

Hot Rolled Steel Tube (11)

Mild Steel Tubing (16)

Seamless Alloy Steel Tube (10)

ERW Steel Tube (18)

Bearing Steel Tube (16)

Galvanized Steel Tube (11)

Hydraulic Cylinder Pipe (10)

Cold Drawn Seamless Tube (19)

Precision Steel Tube (11)

Seamless Metal Tubes (13)

U Bend Tube (12)

Truck Stabilizer Bar (8)

Seamless Boiler Tubes (6)

Drilling Steel Pipe (6)

Thick Wall Steel Tubing (6)

Rectangular Steel Tube (8)

Best Products

JIS G3429 Thin Wall Seamless Mild Steel Tubing

St45 20# Cold Drawn Mild Steel Tubing

CFS4 CFS6 CFS7 CSF8 Thin Wall Mild Steel Tubing

Good Quality Seamless Steel Tubes on sale

Good Quality Seamless Carbon Steel Tube on sale

Huacheng is a high-integrity enterprise that's why our top managements trust in huacheng since year 2006, huacheng helps us to win the markets !

—— Europen Tube Co Ltd

Thanks for HC Pipe's fast delivery time and good quality that helps us win this very import project and get deep trust from our clients.

—— Ormat Israel

When you choose your partners, you increase the likelihood of success. That’s why we choose Huacheng.

—— Foster Wheller

I'm Online Chat Now

JIS G3445 Oil-dip Machine Structural Mild Steel Tube , STKM11A STKM12A Carbon Steel Pipe

Large Image : JIS G3445 Oil-dip Machine Structural Mild Steel Tube , STKM11A STKM12A Carbon Steel Pipe

Product Details:

Place of Origin:	Jiangsu China (Mainland)
Brand Name:	JIANGSU HUACHENG
Certification:	ISO9001 14001 BV TUV PED DNV etc
Model Number:	HC

Payment & Shipping Terms:

Minimum Order Quantity:	5MT
Packaging Details:	Exporting package/wooden box package/Or per customers’ requirement
Delivery Time:	25~35days
Payment Terms:	30%T/T in advance or 100% L/C at sight
Supply Ability:	8000MT/Month

Detailed Product Description

Features:	Thin Wall	Application:	Machinery\|Automobiles\|Bicycles\|Furniture\|Appliances\|Chemical
Delivery Condition:	Annealed\|Normalized\|Tempered	Grade:	STKM11A\|STKM12B\|STKM13A
Material:	Carbon Steel	Product Name:	Mild Steel Tubing
Section Shape:	Round	Standard:	JIS G3445
Surface Treatment:	Oil-dip\|Varnish\|Passivation\|Phosphating\|Shot Blasting	Technique:	Seamless

JIS G3445 Oil-dip Machine Structural Mild Steel Tube , STKM11A STKM12A Carbon Steel Pipe

Quick Detail:

Products: JIS G3445

Carbon steel tubes for machine structural purposes .

Grade: STKM11A / STKM12A / STKM12B / STKM12C / STKM13A etc

Size:(mm)
Out Dimensions: 6mm ~ 350mm
Wall Thickness: 0.8mm ~ 35mm
Length: Fixed(6m,9m,12,24m) or normal length(5-12m)

Description:

Standards: JIS G3445

Carbon steel tubes for machine structural purposes .

Size (mm):

Outer Dimensions: 6mm ~ 350mm

Wall Thickness: 0.8mm ~ 35 mm

Length: max 24000mm

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: Beveled/black painting/ plastic caps/ in bundles/ steel strips/ wooden protection
Inspection and Test: Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength,Elongation, Flaring, Flattening, Bending, Hardness, Impact Test),Surface and Dimension Test,Nodestructive Test, Hydrostatic Test.
Surface treatment:Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
Mark: As requested.

Delivery Condition:Annealed, Normalized, Normalized and Tempered

Chemical Composition (%):

		Chemical Composition (%)
Standard	Steel Grade	C	Si	Mn	P	S
JIS G3445	STKM11A	≤0.12	≤0.35	≤0.60	≤0.040	≤0.040
	STKM12A	≤0.20	≤0.35	≤0.60	≤0.040	≤0.040
	STKM12B
	STKM12C
	STKM13A	≤0.25	≤0.35	0.30-0.90	≤0.040	≤0.040
	STKM13B
	STKM13C
	STKM14A	≤0.30	≤0.35	0.30-1.00	≤0.040	≤0.040
	STKM14B
	STKM14C

Mechanical Properties:

Grade	Yield Strength (Mpa)	Tensile Strength (Mpa)	Elongation (%)
STKM11A		≥290	≥35
STKM12A	≥175	≥340	≥35
STKM12B	≥275	≥390	≥25
STKM12C	≥355	≥470	≥20
STKM13A	≥215	≥370	≥30
STKM13B	≥305	≥440	≥20
STKM13C	≥380	≥510	≥15
STKM14A	≥245	≥410	≥25
STKM14B	≥355	≥500	≥15
STKM14C	≥410	≥550	≥15

Tolerances on outside diameter:

Division	Tolerances on outside diameter
No. 1	Under 50 mm	?0.5 mm
No. 1	50 mm	±1%
No. 2	Under 50 mm	±0.25 mm
No. 2	50 mm	±0.5%
No. 3	Under 25 mm	±0.12 mm
	25 mmD<40 mm	±0.15%
	40 mmD<50 mm	±0.18%

Tolerances on Wall Thickness:

Division	Tolerances on outside diameter
No. 1	Under 4 mm	+0.6 mm-0.5 mm
No. 1	4 mm	+15%-12.5%
No. 2	Under 3 mm	±0.3 mm
No. 2	3 mm	±10%
No. 3	Under 2 mm	±0.15 mm
No. 3	2 mm	±8%

Applications:

Tubes used for machinery, automobiles, bicycles, furniture, appliances and other machine parts.

Competitive Advantage:

Huacheng Pipe Making Company is one of the largest seamless steel pipe manufacturers in China.We’ve passed API 5L,API 5CT, PED, BV, TUV certification and ISO quality system certification.With good quality and competitive price, we believe we could be your reliable supplier.

Factroy Pictures: