Name: DOM Steel Tube for Roll Cage ASTM DIN GB JIS API Certified
Brand: TORICH INTERNATIONAL LIMITED
SKU: DOM Roll Cage Tubing
Price: 950.00 USD
Availability: InStock

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DOM Steel Tube for Roll Cage ASTM DIN GB JIS API Certified

DOM steel tube roll cage

ASTM certified DOM tube

DIN standard steel tubing

Place of Origin:

Zhejiang/China

Brand Name:

TORICH

Certification:

ISO9001 ISO 14001 TS16949

Model Number:

DOM Roll Cage Tubing

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DOM Steel Tube for Roll Cage ASTM DIN GB JIS API Certified

Product Details

Application:

Roll Cage

Standard:

ASTM,DIN,GB,JIS,API

Outer Diameter(round):

30 - 426 Mm

Thickness:

2 - 100 Mm

Certification:

API,CE,ISO,ISO9001-2008,ISO9001

Technique:

Cold Drawn,Hot Rolled,Cold Rolled,ERW,Hot Rolled/Cold Drawn

Grade:

1020 1026 SAE520 ST52.3 4130

Length:

6M Or As Requirement,As Customer's Require,

Highlight:

DOM steel tube roll cage

ASTM certified DOM tube

DIN standard steel tubing

Payment & Shipping Terms

Minimum Order Quantity

1Ton

Price

800-1100 USD/Ton

Packaging Details

In bundles or in wooden boxes.

Delivery Time

20-30days upon products

Payment Terms

L/C,D/A,D/P,T/T,Western Union,MoneyGram

Supply Ability

60000 Ton/Tons per Year

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Product Description

Round DOM Roll Cage Tubing Structural Steel Pipe

Product Specifications

Attribute	Value
Application	Roll Cage
Standard	ASTM, DIN, GB, JIS, API
Outer diameter (round)	30 - 426 mm
Thickness	2 - 100 mm
Certification	API, CE, ISO, ISO9001-2008, ISO9001
Technique	Cold Drawn, Hot Rolled, Cold Rolled, ERW, Hot Rolled/Cold Drawn
Grade	1020 1026 SAE520 ST52.3 4130
Length	6M or as requirement, As customer's require

Material Characteristics

Drawn Over Mandrel (DOM) tubing is produced by electric resistance welding of carbon-steel strip followed by cold drawing over a mandrel to remove weld flash and enhance mechanical properties. This process yields:

Uniform wall thickness and concentric OD/ID
Improved yield and tensile strength compared to standard ERW tubes
Smooth OD/ID surfaces, requiring minimal machining

Detailed Specifications

Property	Value
OD range	3/16″ to 5″ (4.76 mm to 127 mm)
Wall thickness	0.028″ to 0.625″ (0.71 mm to 15.88 mm)
Length	Random lengths 17′-24′ (5.18 m-7.32 m); cut-to-length available
Tolerances	±0.005″ for OD; ±0.003″ for wall thickness
Surface finish	Pickled and oiled; optional honing for hydraulic applications

Chemical Composition

Grade	C	Mn	P (max)	S (max)
SAE 1020	0.18-0.23	0.30-0.60	0.04	0.05
SAE 1026	0.22-0.28	0.60-0.90	0.015	0.005
SAE 520	0.17-0.23	0.30-0.60	0.04	0.05
EN-ST52.3	≤ 0.22	≤ 1.60	≤ 0.025	≤ 0.025
AISI 4130	0.28-0.33	0.40-0.60	0.035	0.040

Mechanical Performance

Grade	Yield Strength (MPa)	Tensile Strength (MPa)	Elongation (%)
SAE 1020	512	602	15
SAE 1026	517	586-690	15
SAE 520	512	602	15
EN-ST52.3	≥ 355	510-690	≥ 20
AISI 4130	≥ 482	≥ 586	≥ 20

Key Features

High Strength-to-Weight Ratio: Superior yield and tensile properties for lightweight yet robust roll-cage structures
Precision Dimensions: Tight tolerances reduce machining time and ensure consistent fitment
Excellent Weldability: Low sulfur and phosphorus content facilitates gas- and arc-welding without pre- or post-heat in most grades
Uniform Grain Structure: Cold drawing promotes refined microstructure and improved fatigue resistance

Standards & Specifications

Region	Standard	Scope
USA	ASTM A513 Type 5	Cold-drawn ERW carbon-steel mechanical tubing
USA	ASTM A500	Cold-formed welded or seamless structural tubing
EU	EN 10305-3	Welded, cold-sized precision steel tubes
Russia	GOST 8732	Electric-welded steel tubes
Japan	JIS G3445	Welded steel precision tubes
China	GB/T 3094	Welded, cold-drawn precision steel tubes

Applications

Automotive & Motorsports:

Roll Cages: Main chassis members, hoop assemblies, cross-bracing
Chassis Tubing: Frame rails, suspension links
Drive Shafts & Axle Tubes

Industrial & Construction:

Hydraulic Cylinders: Honing stock for rods and barrels
Pneumatic Systems: Cylinder bodies
Structural Supports: Frames and guard rails

Usage Examples

Roll Cage A-Pillar Hoop: 1.75″ × 0.120″ DOM 1026 for FIA compliance
Main Hoop Backbone: 2.00″ × 0.120″ AISI 4130 for maximum strength
Honing Stock: EN-ST52.3 for hydraulic rams requiring honed ID

Frequently Asked Questions

Are you a trading company or manufacturer?

We are a manufacturer, but we can also handle trading operations.

How long is your delivery time?

Generally, it takes 10-15 days if the goods are in stock, or 30-40 days if not in stock, depending on quantity.

Do you provide samples? Is it free or extra?

Yes, we offer samples free of charge, but the customer needs to pay for the freight cost.

What are your payment terms?

For payments ≤2000USD: 100% in advance. For payments ≥2000USD: 30% T/T in advance, balance before shipment.

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