Home > Metallurgy, Mineral & Energy > Steel & Products > Steel Pipe & Tube > ASTM A178 ERW Welded Steel Tube Supplier – Boiler & Superheater Service Chinese Supplier

ASTM A178 ERW Welded Steel Tube Supplier – Boiler & Superheater Service Chinese Supplier

ASTM A178 ERW Welded Steel Tube Supplier – Boiler & Superheater Service Chinese Supplier photo-1
ASTM A178 ERW Welded Steel Tube Supplier – Boiler & Superheater Service Chinese Supplier photo-2
ASTM A178 ERW Welded Steel Tube Supplier – Boiler & Superheater Service Chinese Supplier photo-3
ASTM A178 ERW Welded Steel Tube Supplier – Boiler & Superheater Service Chinese Supplier photo-4
ASTM A178 ERW Welded Steel Tube Supplier – Boiler & Superheater Service Chinese Supplier photo-5

Product Spotlights

ASTM A178 / ASME SA178 covers ERW carbon steel tubes for boilers, boiler flues, superheater flues, and safe ends. Heat treated after welding for weld integrity. Cost-effective alternative to seamless. OD:6~256mm, WT: 1~18mm Grades: Grade A (Low Carbon) | Grade C (Medium Carbon)
Negotiable MOQ: 1 Metric Ton (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Type:
Welded
Warranty:
1Y
Technique:
ERW
Payment & Shipping
Payment Methods:
Port of Shipment:
Shanghai
Delivery Detail:
30 days
Type Welded
Warranty 1Y
Technique ERW
Surface Treatment Polished
Usage Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose, Other
Material Carbon Steel
After-sales Service Y
Section Shape Square
Transport Package Hexagonal or square bundles
Specification 6~256MM
Trademark N/A
Origin CHINA

ASTM A178 ERW  Welded Steel Tube Supplier – Boiler & Superheater Service Supplier

Product Overview

ASTM A178 / ASME SA178 covers electric-resistance-welded (ERW) carbon steel tubes for boilers, boiler flues, superheater flues, and safe ends. Heat treated after welding for weld integrity. Cost-effective alternative to seamless.

Grades: Grade A (Low Carbon) | Grade C (Medium Carbon) | Grade D (Carbon-Manganese)

✅ 100% hydrostatic or NDT tested
✅ EN 10204 Type 3.1 MTC provided
✅ Factory direct | ERW specialist

Key Specifications

Parameter Details
Standard ASTM A178 / ASME SA178
Type ERW (Electric-Resistance-Welded)
Grades A, C, D
OD Range 1/4″ – 10″ (6mm – 256mm)
WT Range 0.035″ – 0.72″ (1mm – 18mm)
Length 3m – 12m
Surface Black / Bare / Oiled

Chemical Composition

Element Grade A Grade C Grade D
Carbon (C) 0.06-0.18% ≤0.35% ≤0.27%
Manganese (Mn) 0.27-0.63% ≤0.80% 1.00-1.50%
Phosphorus (P) ≤0.035% ≤0.035% ≤0.030%
Sulfur (S) ≤0.040% ≤0.035% ≤0.015%

Mechanical Properties

Grade Tensile (MPa) Yield (MPa) Elongation
Grade C ≥415 ≥255 ≥30%
Grade D ≥485 ≥275 ≥30%

Key Advantages

Feature Benefit
ERW manufacturing Lower cost than seamless
Heat treated after welding Uniform properties
Multiple grades Choose strength level
100% tested Guaranteed integrity

Applications

  • Boiler tubes & flues

  • Superheater flues

  • Safe ends

  • Industrial steam boilers

Grade Selection Guide

Grade Best For
A General boiler service
C High-temperature boilers
D Demanding superheater service

Quality Testing

Test Coverage
Hydrostatic 100%
NDT (Eddy Current/UT) 100%
Flattening Per batch
Tensile (C&D) Per batch

Contact

📧 yjhtrade@gmail.com | 📞 +86 15106174543 | 🌐 

方管及矩形管 GB6728-2017 3方管GB6728-2017异型管 QB SJNK2002-01 产品包装 2产品包装 1

Product Tags: ASTM A178 ERW Steel Tube , ERW Welded Pipe , ASME 178 ERW Pipe

Send Inquiry to This Supplier

Message
0/5000

Want the best price? Post an RFQ now!
Gold Verified Supplier
1Yr
Verified Business License
Business Type
Trading Company
Year Established
2021
Factory Size
50,000-100,000 square meters
Annual Export Value
Below US$1 Million