ASTM A135 ERW steel pipe, whether grade A or B, is usually manufactured using a high-frequency resistance welding process. Welds of ERW pipe conforming to ASTM A135 Class B shall be heat treated after welding to a minimum temperature of 1000°F [540°C].

standard:ASTM

Surface :1. Galvanized 2. Black and Color Painting

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introduction

ASTM A135 ERW steel pipe uses, manufacturing methods, dimensions and performance requirements. This kind of steel pipe is mainly used to transport gas, steam, water or other liquids, and resistance welding technology is used in its manufacturing process. According to the text description, the manufacturing process of this kind of steel pipe includes welding the edges of steel plates together, and then performing processing such as pipe expansion and bending to meet the needs of different occasions.
The ASTM A135 standard is the same as the ASME SA-135 standard and is the standard specification for electric resistance welded steel pipe. It covers different size grades of ERW steel pipe, from NPS 2 to NPS 30 (DN 50 to DN 750), with nominal wall thicknesses up to 0.500 inches (12.7 mm). For smaller sizes, such as NPS 3/4 to NPS 5 (DN 20 to DN 125), nominal wall thicknesses range from 0.083 in. (2.11 mm) to 0.134 in. (3.40 mm). Other sizes of pipe may be supplied provided the pipe complies with all other requirements of this specification.
ASTM A135 steel pipe is an important industrial material that is widely used in various fields. When selecting and using, it is necessary to evaluate and select according to actual needs to ensure its performance and service life.

Technical Data

Chemical Composition Of ASTM A135

Element	Composition, max, %
Element	Grade A	Grade B
C	0.25	0.30
Mn	0.95	1.20
P	0.035	0.035
S	0.035	0.035

Types Of ASTM A135 Pipe & Tube

ASTM A135 Pipes & Tubes	ASTM A135 Schedule 40 Pipe
ASME SA135 Pipes & Tubes	A135 Round Pipe & Tube
A135 Seamless Pipes & Tubes	Carbon Steel A135 Welded Pipes & Tubes
A135 Electric Resistance Welded Pipes & Tubes	ASME SA135 ERW Pipes & Tubes
ASTM A135 Grade A Pipe	ASTM A135 Grade B Pipe
ASTM A135 / ASME SA135 LSAW Pipes	ASME SA135 / ASTM A135 SSAW Pipes

Mechanical Property of ASTM A135

ASTM A135	Grade A	Grade B
Tensile Strength, min, ksi [MPa]	48 [330]	60 [415]
Yield Strength, min, ksi [MPa]	30 [205]	35 [240]
Elongation, min, %	35	30

company advantage

Our company has many competitive advantages. First, we have advanced production equipment and technology to provide steel pipe products with high quality, precision and reliability. This allows us to serve a variety of customer needs, from construction and manufacturing to the oil and gas industry.
FAQ
1.Q.Do you have MOQ?
A.Depends on different ideas, Can be negotiated.The larger the quantity is, the competitive the unit price will be.
2.Q: What product information do I need to provide?
A: You need to provide the grade, width, thickness, coating and tonnage you need to buy.
3.Q.Does the product have quality inspection before loading?
A.Of course, all our products are strictly tested for quality before packaging, and ungualified products will bedestroyed.we accept the third party inspection absolutely.
4.Q.What is ASTM A135 material?
A.ASTM A135 is the standard specification for electric resistance welded steel pipe. It covers two grades of ERW steel pipe, sizes NPS 2 to 30, with nominal (average) wall thickness not exceeding 12.7 mm, depending on size.