Schedule 40 Black High Tensile Steel Pipe STKM13A from China Manufacturer

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Schedule 40 Black High Tensile Steel Pipe STKM13A

price

USD1200.00 - USD1300.00

Delivery FOB

Minimum order quantity 5 tons

Supply Ability 30000tons / Year

Country of Origin Shanghai

Quantity

Standard:JIS
Standard2:JIS G3445-2006
Grade Group:Q195-Q345
Grade:Q235
Section Shape:Round
Technique:Cold Drawn
Alloy Or Not:Non-alloy
Tolerance:±10%
Type:Seamless Steel Pipe
Processing Service:Cutting
Place of Origin:CN;ZHE
Thickness:0.5 - 20 mm
Outer Diameter(Round):5 - 200 mm
Application:For Machine Structural Purposes
Certification:TS16949
Surface Treatment:Oiled
Special Pipe:Cold Drawn
Secondary Or Not:Non-secondary
Product name:Schedule 40 Black High Tensile Steel Pipe STKm13a
Keyword:DOM STEEL TUBE
Production:Black
Heat Treatment:HR, CW, SR, A, N, HF
Surface:Customers't Requirement
Material:STKM 11A, STKM 12 (ABC), STKM 13(ABC) etc
End protector:Plastic Pipe Cap
Shape:Round Shape
Type:Seamless Steel Tube

Products Description:

Schedule 40 Black High Tensile Steel Pipe STKm13a

Steel Grade/Steel Material:

Chemical Composition unit:% max
Grade		Symbol of grade	C	Si	Mn	P	S	Nb or V
11	A	STKM11A	0.12	0.35	0.60	0.040	0.040	-
12	A	STKM12A	0.20	0.35	0.60	0.040	0.040	-
	B	STKM12B
	C	STKM12C
13	A	STKM13A	0.25	0.35	0.30-0.90	0.040	0.040	-
	B	STKM13B
	C	STKM13C
14	A	STKM14A	0.30	0.35	0.30-1.00	0.040	0.040	-
	B	STKM14B
	C	STKM14C
15	A	STKM15A	0.25-0.35	0.35	0.30-1.00	0.040	0.040	-
	C	STKM15C
16	A	STKM16A	0.35-0.45	0.40	0.40-1.00	0.040	0.040	-
	C	STKM16C
17	A	STKM17A	0.45-0.55	0.40	0.40-1.00	0.040	0.040	-
	C	STKM17C
18	A	STKM18A	0.18	0.55	1.50	0.040	0.040	-
	B	STKM18B
	C	STKM18C
19	A	STKM19A	0.25	0.55	1.50	0.040	0.040	-
	C	STKM19C
20	A	STKM20A	0.25	0.55	1.60	0.040	0.040	0.15
Remarks: 1. For the tubes of Grade 15 made by electric resistance welded, the lower limit of C may be altered by agreement between the purchaser and the manufacturer. 2. For the tubes of Grade 20, Nb in combination with V may be added. In the case, the maximum content of Nb + V shall be 0.15%. 3. If necessary, alloying elements other than those in the above table may be added.

Mechanical Properties min
Grade		Symbol of grade	Tensile strength N/mm2	Yield point or proof strength N/mm2	Elongation %
11	A	STKM11A	290	-	35
12	A	STKM12A	340	175	35
	B	STKM12B	390	275	25
	C	STKM12C	470	355	20
13	A	STKM13A	370	215	30
	B	STKM13B	440	305	20
	C	STKM13C	510	380	15
14	A	STKM14A	410	245	25
	B	STKM14B	500	355	15
	C	STKM14C	550	410	15
15	A	STKM15A	470	275	22
15	C	STKM15C	580	430	12
16	A	STKM16A	510	325	20
16	C	STKM16C	620	460	12
17	A	STKM17A	550	345	20
17	C	STKM17C	650	480	10
18	A	STKM18A	440	275	25
	B	STKM18B	490	315	23
	C	STKM18C	510	380	15
19	A	STKM19A	490	315	23
19	C	STKM19C	550	410	15
20	A	STKM20A	540	390	23
Remarks: 1. As for the tubes of outside diameter of 40mm or under, the elongation value in above table shall not be applied. However, the test result shall be recorder. Further, the elongation may be specified under the agreement between the purchaser and the manufacturer. 2. 1 N/mm2 = 1MPa

Delivery Condition:

HR, CW, SR, A, N, HF

Size Range:
OD: 5.0-200mm
WT:0.5-20mm
Length: max 7000mm

DOM Steel Tube Characteristic:
Good concentricity
Good OD and ID tolerance
High Precision
Stable quality
Smooth Roughness
TORICH QUALITY ASSURANCE

Production Processs:

Seamless or ERW tube and Cold Drawing or Cold Rolling Production

Raw MaterialSteel Tube: