Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

ASTM A500 Pipe


ASTM A500 ERW steel pipe

All our structural tubes are produced in accordance with the mechanical and chemical property requirements of ASTM specification A500, Grade A, B, C.

ASTM A500 Steel Pipe

Mechanical Properties

Properties

Grade A

Grade B

Grade C

Tensile Strength, min. psi

45,000 (310Mpa)

58,000 (400Mpa)

62,000 (427Mpa)

Yield Strength, min. psi

39,000 (269Mpa)

46,000 (317Mpa)

50,000 (345Mpa)

Elongation in 2” min. 
3/16” wall & heavier
1/8” wall

25%

25%

23%

19.5%

21%

21%

Outside Dimensions

Largest Outside Dimension

Tolerance*

2-1/2” and under

±0.020”

Over 2-1/2” to 3-1/2” inclusive

±0.025”

Over 3-1/2” to 5-1/2” inclusive

±0.030”

Over 5-1/2”

±1%

*Tolerances include allowance for convexity or concavity. For rectangular tubing having a ratio of outside large to small flat dimension less than 1.5, and for square tubing, the tolerance on small flat dimension shall be identical to the large flat dimension tolerance. For rectangular tubing having a ratio of outside large to small flat dimension in the range of 1.5 to 3.0 inclusive, the tolerance on small flat dimension shall be 1.5 times the large flat dimension tolerance. For rectangular tubing having a ratio of outside large to small flat dimension greater than 3.0, the tolerance on small flat dimension shall be 2.0 times the large flat dimension tolerance.

Chemical Composition

Twist

Chemical

Grades A&B

Grade C

Largest Side

Maximum Twist in 3 feet

Carbon, max. %

0.26

0.23

Over 1-1/2” to 2-1/2” inclusive

.062”

Manganese, max. %

---

1.35

Over 2-1/2” to 4” inclusive

.075”

Phosphorus, max. %

0.04

0.04

Over 4” to 6” inclusive

.087”

Sulphur, max. %

0.05

0.05

Over 6” to 8” inclusive

.100”

Cooper, when cooper steel is specified min. %

0.20

0.20

Over 8”

.112”

Straightness: .025” times the number of feet of total length
Squareness of Sides: Deviation from 90ce by +/-2ce max.

Radius of Corners: The radius of any outside corner shall not exceed three times the specified wall thickness.

Wall thickness: +/-10% of nominal wall thickness, as measured at the center of the flat.

Remarks: a).1’ = 0.3048m, 1” = 25.4mm

b).1PSI = 0.00689Mpa

JIS Number and Corrensponding Foreign Standards

 
JIS
ASTM
BS
DIN
NF
ISO
Index Number
Standard Number
Grade
Tupe
Standard Number
Grade
Tupe
Standard Number
Grade
Tupe
Standard Number
Grade
Tupe
Standard Number
Grade
Tupe
Standard Number
Grade
Tupe
G3444
STK290
C
A252
Gr1
C
 
 
 
 
 
 
A49-642
TS30.0
C
 
 
 
C016
 
(STK30)
 
A5000
GrA
C
 
 
 
 
 
 
A49-643
TS30.0
C
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
A49-643
TS30a
C
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
A49-644
TS30.0
C
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
A49-645
TS30.0
C
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
"
TS30E
C
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
"
TS30ES
C
 
 
 
 
 
STK400
C
A252
Gr2
C
6232
SAW
C
 
 
 
A49-643
TS37a
C
 
 
 
 
 
(STK41)
 
A500
GrB
C
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
A501
-
C
 
 
 
 
 
 
 
 
 
 
 
 
 
 
STK500
C
 
 
 
6323
SAW
C
 
 
 
 
 
 
 
 
 
 
 
(STK50)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
STK490
C
 
 
 
 
 
 
 
 
 
A49-643
TS47a
C
 
 
 
 
 
(STK50)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
STK540
C
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(STK55)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 



 

ASTM A500 GR.B seamless steel tube/pipe 
1)Standard:ANSI,ASTM,BS,,API,DIN,GB 
2)Material :API 5L PSL-1

ASTM A500 GR.B seamless steel tube/pipe

Type

API seamless carbon steel pipe

Standard

GB/BS/ASTM etc.

Grade

API 5L GR.B,X42,X46,X52,X56,X60,X65,X70,Q195,Q215,Q235,Q275,Q345

Diameter

0.8mm-8mm

Length

Less than or equal 12m as standard or fixed.

Application

Water project or contruction and so on.

Packing

Standard export packing,in bundles or as per customer’s requirement.

Quality

Strictly as per customer’s technique standard.

Delivery time

In 20-45 days after receiving the deposit or the origin L/C

 

Others

All the production process are made under ISO9001:2001 strictly

We are OEM manufacture.

We can offer special specification products.

We can offer mill test certifoicate and original production.

 

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