Seamless 4130 Alloy Steel Tubing

TW’s cold drawn seamless chromoly 4130 tubing is a lighter weight, higher strength alternative to carbon steel. As the market leader in seamless 4130 tubing, TW Metals delivers a full range of rounds, squares, rectangles, and streamline products. Our tubing is manufactured to Mil-T-6736B, AMS-T-6736, ASTM A519, and AMS 6360 specifications. 

Filter Products

Don’t see what you need? Request a Quote

Thickness
Specification
OD
Shape
Wall

Items 1-10 of 221 Products

Page
English Metric
per page
Set Descending Direction
SKU Description DFARS Manufacture Method OD Wall Specification
Sku: 35233 Description: SMLS CD 4130 6736 3/8 SQ X .035 WA DFARS: Yes Manufacture Method: SEAMLESS & DRAWN OD: 0.3750 Wall: 0.0350 Specification: AMS6360 AMS-T-6736
Sku: 27854 Description: SMLS CD 4130 RD 6736 3/8 X .120 DFARS: Yes Manufacture Method: SEAMLESS & DRAWN OD: 0.3750 Wall: 0.1200 Specification: AMS6360 AMS-T-6736
Sku: 27593 Description: SMLS CD 4130 RD 6736 DFARS: No Manufacture Method: SEAMLESS & DRAWN OD: 0.3750 Wall: 0.0950 Specification: AMS6360 AMS-T-6736
Sku: 27375 Description: SMLS CD 4130 RD 6736 3/8 X .083WA DFARS: No Manufacture Method: SEAMLESS & DRAWN OD: 0.3750 Wall: 0.0830 Specification: AMS6360 AMS-T-6736
Sku: 27374 Description: SMLS CD 4130 RD 6736 3/8 X .083 DFARS: Yes Manufacture Method: SEAMLESS & DRAWN OD: 0.3750 Wall: 0.0830 Specification: AMS6360 AMS-T-6736
Sku: 27075 Description: SMLS CD 4130 RD 6736 3/8 OD X .065 DFARS: Yes Manufacture Method: SEAMLESS & DRAWN OD: 0.3750 Wall: 0.0650 Specification: AMS6360 AMS-T-6736
Sku: 26589 Description: SMLS CD 4130 RD 6736 3/8 X .058 DFARS: Yes Manufacture Method: SEAMLESS & DRAWN OD: 0.3750 Wall: 0.0580 Specification: AMS6360 AMS-T-6736
Sku: 26314 Description: SMLS CD 4130 6736 3/8 X .049 DFARS: Yes Manufacture Method: SEAMLESS & DRAWN OD: 0.3750 Wall: 0.0490 Specification: AMS6360 AMS-T-6736
Sku: 61660 Description: SCD 4130 RD 6736 3/8 X .035 DFARS: No Manufacture Method: SEAMLESS & DRAWN OD: 0.3750 Wall: 0.0350 Specification: AMS6360 AMS-T-6736
Sku: 25872 Description: SCD 4130 RD 6736 3/8 X .035 DFARS: Yes Manufacture Method: SEAMLESS & DRAWN OD: 0.3750 Wall: 0.0350 Specification: AMS6360 AMS-T-6736

Items 1-10 of 221 Products

Page
English Metric
per page
Set Descending Direction

ADVANTAGES OF 4130 TUBING

  • Excellent weldability
  • High yield strength
  • High ultimate tensile strength
Typical Chemical Properties
Carbon Max 0.33
Manganese Max .60
Phosphorous Max 0.025
Sulfur Max 0.025
Silicon Max 0.35
Chromium Range .80-1.10
Molybdenum Range .15-.25
Typical Mechanical Properties
Tensile Strength Min 90,000 psi
Yield Strength Min 80,000 psi
Elongation Min 10%
Hardness Min 95 HRB
TW Metals offer as wide range of stock sizes and processing capabilities for your company’s 4130 tubing needs. We stock .1875” OD – 5” OD with wall thicknesses .028” thru .625” wall.

ASK US A QUESTION