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JIS G3445 STKM11A Carbon Steel Tubes For Machine Structural Purposes

Categories	Precision Seamless Steel Tube
Brand Name:	New Era
Model Number:	JIS G3445 STKM11A STKM12A STKM12C STKM13C
Certification:	ISO9001
Place of Origin:	China
MOQ:	1 tons
Price:	Negotiation
Payment Terms:	T/T
Supply Ability:	3000 tons/month
Delivery Time:	45 days
Packaging Details:	Bundles Package, Wooden Box Package
Product Name:	JIS G3445 Carbon Steel Tubes
Delivery Condition:	Cold drawn/Cold Rolled, heat treatment
OD Size:	6-88mm
WT Size:	1-15mm
Standard:	JIS G3445
Application:	machine structural purposes
Steel Material:	STKM11A, STKM12(ABC), STKM13(ABC)
Advantage:	High Precision

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NEW-ERA STEEL TUBE TECHNOLOGY CO.,LTD

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JIS G3445 STKM11A Carbon Steel Tubes For Machine Structural Purposes

JIS G3445 Carbon steel tubes for machine structural purposes

STKM11A, STKM12(ABC), STKM13(ABC)

Size Range: OD: 6-88mm, WT: 1-15mm, Length: 5.8m/6m, maximal 11.8m

Applications: JIS G3445 STKM 11A, STKM 12A, STKM 12C, STKM 13A, STKM 13C, STKM 15A, STKM 15C, STKM 17A, STKM 17C carbon steel tubes used for machinery, automobiles, bicycles, furniture, appliances and other machine parts.

Product Name	JIS G3445 Carbon Steel Tubes
Material	STKM11A, STKM12(ABC), STKM13(ABC)
Delivery Condition	CW, Heat Treatment
Standard	JIS G3445
Size Range	OD: 6-88mm, WT: 1-15mm
Application	Machine Structural Purposes
Round Billet	Bao Steel, Xingcheng Steel, Huai Steel, Zhongtian Steel
Keyword	JIS G3445
Certificate	TS16949, ISO 9001
HS code	7304319000
Delivery Time	45 days
Packing	Bundles or Wooden Boxes

Appearance

The tubes shall be practically straight. and the two ends shall be at right angles to the axis of the tube

The tubes shall be free from defects detrimental to practical use.

The surface finish of the tubes, when especially specified shall be agreed upon by the purchaser and the manufacturer.

CHEMICAL COMPOSITION unit:% max
Steel Grade	C	S	Mn	P	S
STKM 11A	0.12	0.35	0.60	0.040	0.040
STKM 12A	0.20	0.35	0.60	0.040	0.040
STKM 12B
STKM 12C
STKM 13A	0.25	0.35	0.30-0.90	0.040	0.040
STKM 13B
STKM 13C
STKM 14A	0.30	0.35	0.30-1.00	0.040	0.040
STKM 14B
STKM 14C
STKM 15A	0.25-0.35	0.35	0.30-1.00	0.040	0.040
STKM 15C
STKM 16A	0.35-0.45	0.40	0.40-1.00	0.040	0.040
STKM 16C
STKM 17A	0.45-0.55	0.40	0.40-1.00	0.400	0.040
STKM 17C
STKM 18A	0.18	0.55	1.50	0.040	0.040
STKM 18B
STKM 18C
STKM 19A	0.25	0.55	1.50	0.040	0.040
STKM 19C
STKM 20A	0.25	0.55	1.60	0.040	0.040

MECHANICAL PROPERTIES
Steel Grade	Tensile strength Mpa min	Yield strength Mpa min	Elogation% min
STKM 11A	290	-	35
STKM 12A	340	175	35
STKM 12B	390	275	25
STKM 12C	470	355	20
STKM 13A	370	215	30
STKM 13B	440	305	20
STKM 13C	510	380	15
STKM 14A	410	245	25
STKM 14B	500	355	15
STKM 14C	550	410	15
STKM 15A	470	275	22
STKM 15C	580	430	12
STKM 16A	510	325	20
STKM 16C	620	460	12
STKM 17A	550	345	20
STKM 17C	650	480	10
STKM 18A	440	275	25
STKM 18B	490	315	23
STKM 18C	510	380	15
STKM 19A	490	315	23
STKM 19C	550	410	15
STKM 20A	540	390	23

Tolerance on Outside Diameter:

Division	Tolerances on outside diameter
No. 1	Under 50mm ±0.5mm
No. 1	50mm or over ±1%
No. 2	Under 50mm ±0.25mm
No. 2	50mm or over ±0.5%
No. 3	Under 25mm ±0.12mm
	25mm or over to and excl. 40mm ±0.15mm
	40mm or over to and excl. 50mm ±0.18mm
	50mm or over to and excl. 60mm ±0.20mm
	60mm or over to and excl. 70mm ±0.23mm
	70mm or over to and excl. 80mm ±0.25mm
	80mm or over to and excl. 90mm ±0.30mm
	90mm or over to and excl.100mm ±0.40mm
	100mm or over ±0.50%

Tolerances on Wall Thickness:

Division	Tolerances on wall thickness
No. 1	Under 4mm
	+0.6mm
	-0.5mm
	4mm or over
	15%
	-12.50%
No. 2	Under 3mm
	±0.3mm
	3mm or over

Protection and Packing:

Packed in wooden box or bundles protected with plastic paper, and suitably protected for sea-worthily delivery or as requested.

The tubes shall be delivered with a temporary corrosion protection. The type of protection shall be at the discretion of the manufacturer.

Tags: JIS G3445, STKM 11A, STKM12A, STKM12B, STKM12C, STKM13A, STKM13B, STKM13C, Carbon Steel Tubes, Steel Tubes for machine Structural, Steel Tubing, JIS G3445 precision tubes, Seamless Steel Tubes

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JIS G3445 STKM11A Carbon Steel Tubes For Machine Structural Purposes

JIS G3445 STKM11A Carbon Steel Tubes For Machine Structural Purposes

JIS G3445 STKM11A Carbon Steel Tubes For Machine Structural Purposes

Protection and Packing:

JIS G3445 Carbon Steel Tubes

STKM11A Carbon Steel Tubes

JIS G3445 Precision Seamless Steel Tube

JIS G3445 STKM11A Carbon Steel Tubes For Machine Structural Purposes