Gases | STG (stg2.airgas.com)

We use cookies to improve your browsing experience and help us improve our websites. By continuing to use our website, you agree to our use of such cookies. Agree Learn more

Need an Account? Register or Login

One Time Payment | Need an Account? Register or Login

Find A Branch
Customer Service
SDS Search
Careers

Switch Account
Dashboard

Skip to main content

To see product availability

Enter a Delivery Zip Code

Need an Account? Register or Login

One Time Payment | Need an Account? Register or Login

Find A Branch
Customer Service
SDS Search
Careers

×

To see product availability

Enter a Delivery Zip Code

Shop
Industries
Solutions
Resources

TELL US MORE

To receive the most up-to-date product availability, pricing and delivery options, enter your zip code or log in to your account

Zip Code should not be blank Email and Password should not be blank

Enter Delivery Zip Code

or

Log In

Email Address

Password Show Hide

LOG IN

Forgot Password?

Need an Account? Register

TELL US MORE

Are you currently located in California?

8 characters minimum
One number
One lowercase letter
One uppercase letter
One special character (!@#$%&*)

Password cannot contain space

Pursuant to CA SB 478, if you are located in California, Airgas cannot display your product pricing until all items have been added to your shopping cart so that we can calculate all applicable fees, including, but not limited to, shipping and handling fees.

No

Yes

Have an account?Login

Gases
Gas Equipment
Welding Products
Safety Products
Tools & Hardware

#1 Promotion Text #1
View All

Home/
Category Page/
Gases

Results For:
By Category
Gases
CGA Connection
350 | 350

Narrow Results:

By Category
Mixed Gases (30)

Hydrogen (14)

Methane (3)

Gas Comp Amount1
98.0000000 (2)

97.0000000 (1)

96.0000000 (2)

95.0000000 (1)

92.0000000 (1)

85.0000000 (1)

82.0000000 (1)

80.0000000 (1)

75.0000000 (1)

60.0000000 (2)

55.0000000 (1)

40.0000000 (1)

39.0000000 (1)

15.0000000 (1)

10.0000000 (2)

8.0000000 (1)

7.0000000 (2)

5.0000000 (2)

3.5000000 (1)

3.0000000 (1)

1.0000000 (2)

0.6000000 (1)

0.1000000 (1)

Gas Comp 2
% HYDROGEN (13)

% NITROGEN (10)

% ARGON (3)

% CARBON DIOXIDE (2)

% HELIUM (2)

Gas Comp Amount2
99.9000000 (1)

99.4000000 (1)

99.0000000 (2)

97.0000000 (1)

96.5000000 (1)

95.0000000 (1)

92.0000000 (1)

90.0000000 (3)

88.0000000 (1)

85.0000000 (1)

61.0000000 (1)

60.0000000 (1)

45.0000000 (1)

40.0000000 (2)

10.0000000 (3)

8.0000000 (2)

5.0000000 (2)

4.0000000 (2)

3.0000000 (1)

2.0000000 (2)

Gas Comp 3
% CARBON DIOXIDE (3)

% HYDROGEN (3)

% NITROGEN (1)

Gas Comp Amount3
83.0000000 (1)

20.0000000 (1)

10.0000000 (2)

5.0000000 (3)

CGA Connection
320 (17)

660 | 660 (16)

580 | 580 (14)

590 | 590 (12)

296 (9)

330 (7)

180 (6)

540 (6)

350LP | 350LP (5)

540 | 540 (5)

200 (4)

600 | 600 (4)

165 | 165 (3)

180 | 180 (3)

5 GAL LP (3)

724 (3)

DQA test - CGA business facet name 1 (3)

DQA test - CGA business facet name 2 (3)

296 | 296 (2)

300 (2)

C10 | C10 (2)

CGA1 (2)

CGA2 (2)

Test cga (2)

dqa test cga 1 (2)

dqa test cga 2 (2)

test cga2 (2)

350LP (1)

350_GGA (1)

510 (1)

510 | 510 (1)

510 | 510_1116 (1)

580_Test (1)

589 (1)

600 (1)

677 (1)

714 (1)

BusFacet_CGA1 (1)

BusFacet_CGA2 (1)

DQATest12345_cga (1)

DQATest2_cga (1)

DQA_350 | 350 (1)

DQA_Test1_cga (1)

None (1)

OTH (1)

QA test 1 (1)

QA test1 (1)

RP300_cga_Test (1)

Test BFN 1 (1)

TestBFN2 (1)

TestCGA (1)

test 123 (1)

test test dqa (1)

Cylinder Size
business facet 1 (35)

business facet 2 (35)

80 | 80 (6)

35 | 35 (2)

DQA test cyl size bus facet 1 (2)

DQA test cyl size bus facet 2 (2)

300A | 300A (1)

33A | 33A (1)

Compare Products Up to 4

Gases

Sort by:

X03NI90C2000024

5% Carbon Dioxide 5% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

5% Carbon Dioxide 5% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

5% Carbon Dioxide 5% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

5% Carbon Dioxide 5% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

5% Carbon Dioxide 5% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:X03NI90C2000024

X02AR95C2000992

5% Hydrogen Balance Argon Certified Standard Mixture, Size 200 Cylinder, CGA-350

5% Hydrogen Balance Argon Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

5% Hydrogen Balance Argon Certified Standard Mixture, Size 200 Cylinder, CGA-350

5% Hydrogen Balance Argon Certified Standard Mixture, Size 200 Cylinder, CGA-350

5% Hydrogen Balance Argon Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:X02AR95C2000992

X02NI95C2003173

5% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

5% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

5% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

5% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

5% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:X02NI95C2003173

HY UHP80

Ultra High Purity 5.0 Grade Hydrogen, Size 80 Cylinder, CGA-350

Ultra High Purity 5.0 Grade Hydrogen, Size 80 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

Ultra High Purity 5.0 Grade Hydrogen, Size 80 Cylinder, CGA-350

Ultra High Purity 5.0 Grade Hydrogen, Size 80 Cylinder, CGA-350

Ultra High Purity 5.0 Grade Hydrogen, Size 80 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:HY UHP80

X03NI75C2005502

5% Hydrogen 20% Carbon Dioxide Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

5% Hydrogen 20% Carbon Dioxide Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

5% Hydrogen 20% Carbon Dioxide Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

5% Hydrogen 20% Carbon Dioxide Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

5% Hydrogen 20% Carbon Dioxide Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:X03NI75C2005502

X02NI90C2000094

10% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

10% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

10% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

10% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

10% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:X02NI90C2000094

X03NI85C2001383

5% Hydrogen, 10% Carbon Dioxide Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

5% Hydrogen, 10% Carbon Dioxide Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

5% Hydrogen, 10% Carbon Dioxide Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

5% Hydrogen, 10% Carbon Dioxide Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

5% Hydrogen, 10% Carbon Dioxide Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:X03NI85C2001383

X03NI80C2000511

10% Carbon Dioxide 10% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

10% Carbon Dioxide 10% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

10% Carbon Dioxide 10% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

10% Carbon Dioxide 10% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

10% Carbon Dioxide 10% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:X03NI80C2000511

ME CP200

Chemically Pure 2.5 Grade Methane, Size 200 Cylinder, CGA-350

Chemically Pure 2.5 Grade Methane, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

Chemically Pure 2.5 Grade Methane, Size 200 Cylinder, CGA-350

Chemically Pure 2.5 Grade Methane, Size 200 Cylinder, CGA-350

Chemically Pure 2.5 Grade Methane, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:ME CP200

X02AR90C2002466

10% Methane Balance Argon Certified Standard Mixture, Size 200 Cylinder, CGA-350

10% Methane Balance Argon Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

10% Methane Balance Argon Certified Standard Mixture, Size 200 Cylinder, CGA-350

10% Methane Balance Argon Certified Standard Mixture, Size 200 Cylinder, CGA-350

10% Methane Balance Argon Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:X02AR90C2002466

X02NI98C2002742

2% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

2% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

2% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

2% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

2% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:X02NI98C2002742

X02NI96C2003094

4% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

4% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

4% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

4% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

4% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:X02NI96C2003094

HY R200

Research 6.0 Grade Hydrogen, Size 200 Cylinder, CGA-350

Research 6.0 Grade Hydrogen, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

Research 6.0 Grade Hydrogen, Size 200 Cylinder, CGA-350

Research 6.0 Grade Hydrogen, Size 200 Cylinder, CGA-350

Research 6.0 Grade Hydrogen, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:HY R200

ME UHP200

Ultra High Purity 4.0 Grade Methanea, Size 200 Cylinder, CGA-350

Ultra High Purity 4.0 Grade Methanea, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

Ultra High Purity 4.0 Grade Methanea, Size 200 Cylinder, CGA-350

Ultra High Purity 4.0 Grade Methanea, Size 200 Cylinder, CGA-350

Ultra High Purity 4.0 Grade Methanea, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:ME UHP200

X02NI97C2000108

3% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

3% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

3% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

3% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

3% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:X02NI97C2000108

X02AR97C2001421

3% Hydrogen Balance Argon Certified Standard Mixture, Size 200 Cylinder, CGA-350

3% Hydrogen Balance Argon Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

3% Hydrogen Balance Argon Certified Standard Mixture, Size 200 Cylinder, CGA-350

3% Hydrogen Balance Argon Certified Standard Mixture, Size 200 Cylinder, CGA-350

3% Hydrogen Balance Argon Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:X02AR97C2001421

HY HP200

High Purity 4.5 Grade Hydrogen, Size 200 Cylinder, CGA-350

High Purity 4.5 Grade Hydrogen, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

High Purity 4.5 Grade Hydrogen, Size 200 Cylinder, CGA-350

High Purity 4.5 Grade Hydrogen, Size 200 Cylinder, CGA-350

High Purity 4.5 Grade Hydrogen, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:HY HP200

HY PP200

Prepurified 4.0 Grade Hydrogen, Size 200 Cylinder, CGA-350

Prepurified 4.0 Grade Hydrogen, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

Prepurified 4.0 Grade Hydrogen, Size 200 Cylinder, CGA-350

Prepurified 4.0 Grade Hydrogen, Size 200 Cylinder, CGA-350

Prepurified 4.0 Grade Hydrogen, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:HY PP200

X02NI60C2003006

40% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

40% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

40% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

40% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

40% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:X02NI60C2003006

X02NI85C2001144

15% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

15% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Compare

15% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

15% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

15% Hydrogen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-350

Show Full Description Hide Full Description

Airgas Part #:X02NI85C2001144

1
2
3
NEXT ›

Gas Supply

Gas Supply Modes
Bulk
Cylinders
Dynamic On-site Mixer
Jobsite Skid
Liquid Cylinders
MicroBulk
On-site Generation - FLOXAL

Solutions

Airgas Dry Ice
eBusiness Solutions
Red-D-Arc
Safety Solutions
Supply Chain Solutions
Welding Automation
Welding Efficiency

Industries

Airgas Healthcare
Beverage
Construction
Energy & Chemicals
Food
Life Sciences
Metal Fabrication
Primary Materials
Retail

Resources

Airgas Outlet
Catalogs
COA Search
FAQs
Offers & Rebates
Safety Notices
SDS Search
Tutorials
User Guides

Our Company

Careers
Events
Mergers & Acquisitions
Newsroom
Overview
Sustainability
Visit Parent Company

Contact

Connect with Sales
Customer Service
Find a Branch
Emergency Response

Login
Register
Shop Products
Find A Branch
Industries
Solutions
Customer Service
Search Careers
Newsroom

© 2023 Airgas, Inc. All Rights Reserved.
|Customer Service ||Privacy Policy ||Terms & Conditions ||Terms of Sale ||Do Not Sell/Share My Personal Information ||Mobile App Policy ||Website Accessibility ||Return Policy |

ACECBD4D2BD0A536FF0DFA007BEB9C42